Which enzyme is responsible for facilitating the hydrogen bonding between nucleotides in a new dna.

Answers

Answer 1

DNA polymerase is the enzyme responsible for facilitating the hydrogen bonding between nucleotides in a new DNA strand.

During DNA replication, DNA polymerase binds to the DNA template strand and adds complementary nucleotides to form a new DNA strand. It ensures accurate base pairing by recognizing the exposed nitrogenous bases on the template strand and incorporating the corresponding nucleotides (A with T, and G with C) into the growing strand. As DNA polymerase adds each nucleotide, it facilitates the formation of hydrogen bonds between the nitrogenous bases, stabilizing the DNA double helix structure. Additionally, DNA polymerase possesses proofreading capabilities, allowing it to detect and correct errors during replication, ensuring high fidelity in DNA synthesis. Overall, DNA polymerase plays a vital role in DNA replication by facilitating hydrogen bonding and ensuring accurate base pairing in the formation of a new DNA strand.

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Related Questions

Scientific Investigations
Prior to starting their science fair investigations, the students in Mrs. Hensley's biology class are required to submit a summary of
their experimental designs. One student submitted the following:
• Hypothesis:
Fertilizer X increases fruit production in tomato plants.
Two tomato seeds will be germinated at the same time.
Each germinated seed will be placed in a separate 500 mL container.
• Procedure:
• Exactly 500 g of soil will be added to each container, and the germinated seeds will be placed 1 cm below the surface.
20 g of Fertilizer X will be added to one plant.
Og of Fertilizer X will be added to the second plant.
Each plant will receive the same amount of water and light each day.
• After 60 days, the total number of tomatoes produced by each plant will be counted
The teacher identified a problem with the procedure and asked the student to revise the method. Which of the following is a problem
with the student's procedure?
OA. The procedure is missing a control.
OB. The procedure includes too many independent variables.
OC. The procedure is lacking multiple trials.
OD. The procedure includes too many dependent variables.
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Fertilizer X increases fruit production in tomato plants. The teacher identified a problem with the procedure and asked the student to revise the method because of Option C. The procedure is lacking multiple trials.

Fertilizer is any cloth of herbal or synthetic foundation that is applied to soil or to plant tissues to deliver plant most gardeners ought to use a complete fertilizer with two times as lot phosphorus as nitrogen or potassium.

Urea is the maximum not unusual N fertilizer, but many greater extremely good N fertilizers derive from ammonia. for example, a little ammonia is oxidized to make nitrate fertilizer. This same conversion of ammonia to nitrate takes area in agricultural soils via the microbial system of nitrification

Fertilizer is simplest whilst used on plants at their top growing cycle. that is when the plant is leafing out for deciduous species, flowering, or setting on new growth after leaving the dormant winter degree. The time of yr for fertilizing most flowers could then be spring.

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Answer: The procedure is lacking multiple trials.

Explanation:

The 5' cap protects the mRNA from {{c1::exonucleases}}

Answers

The 5' cap protects the mRNA from exonucleases, which are enzymes that degrade nucleic acids. The 5' cap is an addition to the 5' end of the mRNA strand that occurs during the maturation process.

It consists of a 7-methylguanine cap connected to the 5' end of the mRNA by a 5'-5' triphosphate linkage. This 5' cap is essential for the protection of the mRNA from exonucleases. Exonucleases specifically degrade the 5' end of mRNA molecules because it has no protective cap.

By adding the 5' cap to the mRNA, it prevents exonucleases from accessing and degrading the mRNA. The 5' cap also plays a role in the recognition of the mRNA by ribosomes. As a result, the 5' cap helps to ensure that the mRNA is translated properly, as the ribosomes can identify the cap as a signal to initiate translation.

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complete question is :-

The 5' cap protects the mRNA from {{c1::exonucleases}}. EXPLAIN.

What type of plate collision formed the Mariana Islands?

Answers

The convergent boundary or just convergent

Will the velocity of the book change as it moves across the surface WITH friction? Explain your answer.

Answers

Answer:

yes

Explanation:

Friction slows things down. It causes a opposite force on the book causing the speed to slow and come to a stop.

1. Define biomass and bioenergy [5] 2. Explain the energy conversion of biomass from primary energy into useful secondary energy [5] 3. State the pros and cons of biomass [10] 4. Discuss Biomass in the Namibian context: opportunities and challenges [10]

Answers

Biomass is organic matter derived from plants, animals, and other organic sources, such as food waste and sewage.

Bioenergy is energy derived from the combustion or conversion of biomass, such as wood, charcoal, and biogas.

The energy conversion of biomass is the process of transforming primary energy sources into useful secondary energy forms. The process involves the burning of biomass to produce heat, which is then used to generate electricity, or to power vehicles or other machinery.

The main advantages of biomass are that it is a renewable resource, it is carbon-neutral, and it can be used to create energy without relying on fossil fuels.

Additionally, it can be a cost-effective way to generate energy and it can create jobs in rural areas. On the other hand, biomass can be expensive to produce and the burning of biomass can produce air pollution, leading to health and environmental risks.

In Namibia, biomass is an important source of energy and has the potential to provide a reliable and affordable energy source to its rural population. Biomass energy sources, such as wood and charcoal, are widely used for cooking and heating, as well as for powering machinery.

However, the use of biomass is limited by the availability of resources, as well as by difficulties in distribution. There is also a need for better management and regulation of biomass resources, in order to ensure their sustainability. In addition, Namibia needs to invest in more efficient biomass technologies, in order to reduce the environmental impacts associated with their use.

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3. A food contains five grams of carbohydrates. How many calories does that food get from carbohydrates?
A 45 calories
B 5 calories
C 20 calories
D 4 calories ​

Answers

Answer:

The answer is C.

Explanation:

carbohydrate = 5 grams

carbohydrates provide 4 calories per gram.

4 * 5 = 20

20 calories

Name 3-4 invasive species here in OH. what they are doing to the native species….and if there are any current control measures in place.

Answers

Answer:

cartilaginous nuhs and Osteichthyes

Answer:

There are three main methods used for control of invasive species -- biological, mechanical, and chemical. Biological control is the intentional manipulation of natural enemies by humans for the purpose of controlling pests. Mechanical control includes mowing, hoeing, cultivation, and hand pulling.

Explanation:

straightening the elbow by lowering the hand affects which muscle

Answers

Straightening the elbow by lowering the hand affects the triceps muscle. The triceps muscle is a three-headed muscle located at the back of the upper arm and is responsible for extension of the elbow joint.

When we lower our hand, we are performing an extension of the elbow joint, which requires the triceps muscle to contract and exert force on the bone to straighten the arm. This movement is commonly used in exercises such as triceps extensions and push-ups.

It is important to note that the triceps muscle works in conjunction with other muscles in the arm and shoulder to perform various movements. Strengthening the triceps muscle can improve overall arm strength and function.

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1. An athlete thinks that she can exercise as long as she eats different types of food because her body
just needs different types of food molecules to work properly. Is the athlete correct?

Answers

Answer:

Yes, her cells only work when they have molecules from different types of food.

Explanation:

What is the name for the process where cheese is exposed to controlled temperatures and humidity during aging

Answers

The  name for the process where cheese is exposed to controlled temperatures and humidity during aging is called "affinage". This term comes from the French language and refers to the process of refining or maturing cheese.

Affinage is a critical step in the cheese-making process that can greatly impact the flavor, texture, and overall quality of the final product.

During affinage, cheeses are typically stored in specialized environments, such as cheese caves or aging rooms, where temperature, humidity, and air circulation are carefully controlled.

These conditions allow the cheese to develop complex flavors, aromas, and textures as it ages and matures over time.
Affinage is an essential step in the production of high-quality cheese, and it involves exposing the cheese to controlled temperatures and humidity during aging.

This process is critical for developing the unique flavor and texture profiles that make different types of cheese so distinctive and beloved by food lovers around the world.

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Does natural selection occur in individuals or populations?

Answers

Answer:

populations

Explanation:

Answer: Natural selection occurs when individuals with certain genotypes are more likely than individuals with other genotypes to survive and reproduce, and thus to pass on their alleles to the next generation

Explanation:

Claim
What makes diamonds so special?

Answers

Diamonds makes so special for being the hardest substance known to man, diamonds also have unrivalled thermal conductivity (100x better than copper) and inertness, which makes poor quality 'boart' diamonds ideal for a whole host of next generation technology uses today.

I hope this helps :)

Answer:

In addition to being the hardest substance known to man, diamonds also have unrivalled thermal conductivity (100x better than copper) and inertness, which makes poor quality 'boart' diamonds ideal for a whole host of next generation technology uses today.

Explanation:

....

What can be done to save our oceans?

Answers

Answer:

Explanation:

1. Conserve Water

2. Reduce Pollutants

3. Reduce Waste

4. Shop wisely

5. Reduce Vehicle Pollution

6. Use Less Energy

7. Fish Responsibly

8. Practice Safe Boating

9. Respect Habitat

10. Volunteer

what three types of ends can be generated through dna cleavage by restriction endonucleases?

Answers

The three types of ends that can be generated through DNA cleavage by restriction endonucleases are blunt ends, 5' overhangs (also known as sticky ends), and 3' overhangs (also known as cohesive ends).

Blunt ends are straight cuts that result in no overhangs, 5' overhangs result in a single-stranded extension at the 5' end of the cut, and 3' overhangs result in a single-stranded extension at the 3' end of the cut. These different types of ends can affect the way that the cut DNA fragments can be recombined or ligated together.

The three types of ends that can be generated through DNA cleavage by restriction endonucleases are:

1. Blunt ends: These are generated when the restriction endonuclease cuts the DNA strand at the same position on both strands, resulting in a clean, straight break. There are no overhangs or "sticky ends" in this case.

2. 5' overhangs (also called 5' sticky ends): These are generated when the restriction endonuclease cuts the DNA strand asymmetrically, leaving a single-stranded overhang on the 5' end of one DNA fragment. This overhang can be complementary to another 5' overhang produced by the same enzyme, allowing the fragments to anneal or "stick" together.

3. 3' overhangs (also called 3' sticky ends): These are generated when the restriction endonuclease cuts the DNA strand asymmetrically, leaving a single-stranded overhang on the 3' end of one DNA fragment. This overhang can be complementary to another 3' overhang produced by the same enzyme, allowing the fragments to anneal or "stick" together.

In summary, DNA cleavage by restriction endonucleases can generate blunt ends, 5' overhangs, or 3' overhangs, depending on the specific enzyme and its recognition site on the DNA molecule.

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Answer quick pls
Why is it important for cells in your body to go through the cell cycle?

Answers

Answer:

It is important because if your cells do not reproduce you would eventually run out of cells and die.

Explanation:

Answer:

The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in different ways, but overall it allows them to survive

Explanation:

PLS HELP ME pls SO IT SAYS READ the text and say how the adaption is occured in hummingburs and how they were savory flavors but now they are sweet sensing now how it got adapted make a cer How did the presence of an adaptation change the frequency of a specific trait in hummingbirds? This will be graded based on your overall claim and supporting statements, use of evide from the text, and your encreasoning (CER).
Most humans enjoy candy, cake, and ice cream. As a result of evolutionary history, we have a wide variety of tastes. This is not true of all animals. Cats do not seek sweets. Over the course of their evolutionary history, the cat family tree lost a gene to detect sweet flavors. Most birds also lack this gene, with a few exceptions. Hummingbirds are sugar junkies.

Hummingbirds evolved from an insect-eating ancestor. The genes that detect the savory flavor of insects underwent changes, making hummingbirds more sensitive to sugars. These new sweet-sensing genes give hummingbirds a preference for high-calorie flower nectar. Hummingbirds actually reject certain flowers whose nectar is not sweet enough!

Answers

hummingbirds are amazing creatures used upon the passage that will be a specific trait if needed

Brain-derived neurotrophic factors (BDNF), a key protein involved in the formation of memories, is stimulated by:

Answers

Brain-derived neurotrophic factor (BDNF), a key protein involved in the formation of memories, is stimulated by various factors, including physical exercise, cognitive stimulation, and social interactions.

BDNF is a protein that plays a critical role in the growth, survival, and function of neurons in the brain. It is particularly important in synaptic plasticity, which is the ability of synapses (connections between neurons) to strengthen or weaken over time, a process crucial for learning and memory formation.

Multiple factors have been found to stimulate the production and release of BDNF in the brain. Physical exercise has been shown to increase BDNF levels, promoting neuronal growth and enhancing synaptic plasticity.

Cognitive stimulation, such as engaging in challenging mental activities or learning new skills, can also boost BDNF production. Additionally, social interactions and a stimulating social environment have been linked to increased BDNF levels.

These various factors stimulate the release of BDNF, which in turn supports neuronal health, promotes the formation of new synapses, and enhances the processes involved in memory formation and consolidation.

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What makes an isotope radioactive? Are all isotopes radioactive?

Answers

Answer:

Radioactive Elements

In elements with more than 83 protons, all of the isotopes are radioactive. ... The force of repulsion among all those protons makes the nuclei unstable. Elements with more than 92 protons have such unstable nuclei that they don't even exist in nature.

Explanation:

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Cell makes copies of its chromosomes during *1.interphase 2.nuclear 3.division cytokinesis

Answers

the answer is interphase

during the stage of interphase the cell duplicates its chromosomes and ensures its systems are ready for cell division

hope that helped :))

Use your knowledge of science to answer the questionSelect the three correct answers

Use your knowledge of science to answer the questionSelect the three correct answers

Answers

They give us the following statements

A) Glucose is broken down into carbon dioxide and water.

This statement would be correct if we are talking about cell respiration because glucose and oxygen produce carbon dioxide, water, and energy in that reaction.

B) Energy is stored in the bonds of ATP.

what type of molecule carries genetic information?

Answers

Answer:

Deoxyribonucleic Acid (DNA)

Explanation:

DNA is the chemical name for the molecule that carries genetic instructions in all living things.

In an earthworm is the dorsal blood vessel or the ventral blood vessel larger?

Answers

Answer:

Dorsal lol, its contracts and pumps blood to the aortic arches.

Ecosystems Unit Test 8 of 8 Items Item 8 Discuss an ecosystem in which there is a producer, a consumer, a secondary consumer, and a decomposer. Name the ecosystem and specific organisms for a producer, consumer, secondary consumer, and decomposer

Answers

Answer:

The ecosystem, in this case, is a forest. The producers are plants. The deer, who eats the plants, is the consumer. The wolf, who eats the deer, is the secondary consumer, and earthworms are the decomposers.

Explanation:

An ecosystem is a group of beings that are in a certain area where they interact with each other and with their surroundings. In this case, we describe a trophic level with beings that are in the forest.

Producers are beings that produce their food, like plants.Consumers or primary consumers are animals that eat producers. They are herbivores.Secondary consumers eat primary consumers. They can be omnivores, or like in this case, carnivores.Decomposers are bacterias, mushrooms, or earthworms. They act on all levels breaking down the rest of the animals and plants, obtaining nutrients to nourish the soil, and start the cycle again.

can someone give me a summary of dna replication?

Answers

Answer:

dna

Explanation:

DNA replication is one of the most basic processes that occurs within a cell. Each time a cell divides, the two resulting daughter cells must contain exactly the same genetic information, or DNA, as the parent cell. To accomplish this, each strand of existing DNA acts as a template for replication.

DNA replication is the process by which DNA makes a copy of itself during cell division.

DNA Sequence CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC
Create an mRNA sequence from the above DNA sequence

Answers

An mRNA sequence from the given DNA sequence is GGA GAA AUG UGU GCC UCC CAU GCG AUA AGA UAC UAA UGU GCC AAC GCU AGG UAU UAG.

DNA consists of two types of strands. One is the coding strand and the other is the template strand. The coding strand is not transcribed to mRNA and is directed in a 3' to 5' direction. The template strand is transcribed to mRNA and is directed in a 5' to 3' direction.

Here, consider the given strand as a template strand. Our mRNA strand will be complementary to this strand. Instead of thymine, mRNA will have uracil.

According to genetic code, the nucleotides in the sequence are arranged into three codes called codons in mRNA.

Therefore,

DNA sequence: CCT CTT TAC ACA CGG AGG GTA CGC TAT TCT ATG ATT ACA CGG TTG CGA TCC ATA ATC

mRNA sequence: GGA GAA AUG UGU GCC UCC CAU GCG AUA AGA UAC UAA UGU GCC AAC GCU AGG UAU UAG

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response to specific pathogens that can improve with subsequent exposure is a. microbial antagonism. b. the second line of defense. c. the third line of defense. d. innate immunity. e. the first line of defense.

Answers

The response to specific pathogens that can improve with subsequent exposure is referred to as the third line of defense.

The correct option is c.

Immunity is the body's ability to defend itself against pathogens and other harmful substances.

It is made up of two lines of defense: the first line of defense and the second line of defense.

The first line of defense includes physical and chemical barriers that prevent pathogens from entering the body.

The second line of defense includes non-specific cellular and chemical responses that act quickly to attack and eliminate pathogens once they enter the body.

Innate immunity is also a part of the second line of defense.

The third line of defense is referred to as the adaptive or acquired immune response.

This line of defense is more specific and involves the recognition and response to specific pathogens.

The response to specific pathogens that can improve with subsequent exposure is referred to as the third line of defense.

It includes the production of specific antibodies and immune cells that target and eliminate the pathogen.

Pathogens are disease-causing organisms such as bacteria, viruses, and fungi.

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6. Which of the following is NOT a factor of partial melting? A. addition of volatiles B. decrease in pressure C. an increase in pressure D. an increase in temperature


letter b.

Answers

Answer: its B. Decrease in pressure

Explanation:

    Partial melt denotes that only a portion of the substance is melted, with the other portion remaining solid. Due to its reduced density, the partial melt rises and climbs through the crust.

Answer: D. an increase in temperature

What is the name for a rise in temperature?

      The extremely quick rise in the average surface temperature of the Earth over the past century is known as global warming, and it is mostly caused by greenhouse gases that are emitted when people burn fossil fuels.

        Highlights. Since 1880, the temperature of the Earth has risen by 0.14° F (0.08° C) per decade, but since 1981, the pace of warming has increased by more than twice that, to 0.32° F (0.18° C) per decade. According to NOAA's temperature data, 2021 was the sixth-warmest year ever.

       The kinetic energy of a substance's particles rises as its temperature rises. Q. As the temperature rises, the particles' kinetic energy rises as well.

     These dangers include sea level rise, which will cause coastal flooding and eroding, changes in the salinity of coastal groundwater supplies, which will cause freshwater stress, dangers to marine ecosystems, like mass coral bleaching and die-offs, and stronger tropical storms.

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true or false? early dyes were extracted (taken) from various plants and other living creatures. true false

Answers

Answer:

Your answer would be TRUE

Explanation:

Early dyes were used to make coloured clothing such at denim or shirts. You're welcome, mate <3

While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. The neurology resident told Sally that neurons and their dendrites, which send and reccive signals, made up the nerves and that the information was transported only from the PNS to the CNS. The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS.

Answers

The statement that is true regarding the cellular structure of a neuron is; The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. Option A is correct.

This statement accurately describes the composition of nerves and the direction of information transmission. Neurons, which consist of a cell body, dendrites, and an axon, are the basic building blocks of the nervous system. Dendrites receive signals from other neurons, while the axon transmits signals to other neurons.

Nerves, on the other hand, are composed of bundled axons of neurons and are responsible for transmitting information between the peripheral nervous system (PNS) and the central nervous system (CNS). The information flow typically occurs from the PNS to the CNS.

Hence, A. is the correct option.

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--The given question is incomplete, the complete question is

"While the neurology resident, Dr. Takahashi, was performing her examination, Sally asked her what a nerve was made of exactly. Which of the following statements is true regarding the cellular structure of a neuron? A) The neurology resident told Sally that axons of neurons make up the nerves that transfer information between the PNS and CNS. B) The neurology resident told Sally that the cell body, or some, made up the nerves and that this structure was what allowed the signal to travel between the CNS and PNS. C) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the PNS to the CNS. D) The neurology resident told Sally that neurons and their dendrites, which send and receive signals, made up the nerves and that the information was transported only from the CNS to the PNS."--

Heart failure is due to either natural occurrences (88%) or outside factors (12%). Outside factors are related to induced substances or foreign objects. Natural occurrences are caused by arterial blockage, disease, and infection. Suppose that 15 patients will visit an emergency room with heart failure. Assume that causes of heart failure between individuals are independent. Round your answers to three decimal places (e.g. 98.765). (a) What is the probability that 3 individuals have conditions caused by outside factors? Probability = (b) What is the probability that 3 or more individuals have conditions caused by outside factors? Probability = (c) What is the mean and standard deviation of the number of individuals with conditions caused by outside factors? Mean = Standard deviation = Statistical Tables and Chart

Answers

(a) The probability that exactly 3 individuals have conditions caused by outside factors is 0.183. (b) The probability that 3 or more individuals have conditions caused by outside factors can be calculated using a cumulative binomial distribution table or a statistical calculator. (c) The mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is 1.124.

To solve this problem, we can use the binomial distribution since we are dealing with a fixed number of trials (15 patients), and each patient's condition is either caused by outside factors or natural occurrences, with independent probabilities.

(a) To find the probability that exactly 3 individuals have conditions caused by outside factors, we use the binomial probability formula:

Probability = C(n, x) * p^x * q^(n-x)

where n is the total number of trials (15), x is the number of successes (3), p is the probability of success (12% or 0.12), and q is the probability of failure (88% or 0.88).

Plugging in the values, we have:

Probability = C(15, 3) * 0.12^3 * 0.88^(15-3)

Probability = 0.183

Therefore, the probability that exactly 3 individuals have conditions caused by outside factors is 0.183.

(b) To find the probability that 3 or more individuals have conditions caused by outside factors, we need to calculate the probability of 3, 4, 5, ..., 15 individuals having outside factors and sum them up.

Probability = Probability(3) + Probability(4) + ... + Probability(15)

Using the binomial probability formula, we can calculate each individual probability and sum them. However, to save time and effort, we can use a cumulative binomial distribution table or a statistical calculator.

Assuming you have access to a statistical calculator or software, you can enter the values of n (15), p (0.12), and the range of x (from 3 to 15) to get the desired probability.

(c) The mean (μ) and standard deviation (σ) of the number of individuals with conditions caused by outside factors can be calculated using the formulas for the binomial distribution:

Mean (μ) = n * p

Standard deviation (σ) = √(n * p * q)

Plugging in the values, we have:

Mean (μ) = 15 * 0.12 = 1.8

Standard deviation (σ) = √(15 * 0.12 * 0.88) ≈ 1.124

Therefore, the mean number of individuals with conditions caused by outside factors is 1.8, and the standard deviation is approximately 1.124.

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Managers who strive to act fast to meet changing customer needs orto capitalize on new opportunities are focusing on What is the equation of the line that passes through the point (-4,-4) and has aslope of 5/4? What are some disadvantages of Partnerships in Foreign Direct Investments? (Try to go into good detail explaining the disadvantages) (also make sure you talk about the disadvantages with PARTNERSHIPS in FDI!) Sequence: 2, 6, 10,_,_ _.What are the next two numbers in the sequence?A 14, 18B16, 24C 14, 2012, 16 ______ is accounts for approximately one-third of the body's water. A)state the domain B)state the rangeC) graph the relation D)is it a function E) is it a one to one function .In the second paragraph of "Ain't I a Woman?," how does Truth appeal to listeners sense of logic? She demonstrates that women are just as strong as men. She recounts personal experiences to gain her audiences trust. She asks her audience to sympathize with her plight. She explains the many hardships that she has experienced. 5 & 2/8 - 3 &7/8 = ? Franklin D. Roosevelt's New Deal economic policies reversed which earlypolitical response to the Great Depression?OA. Cutting spending in response to decreased tax revenueB. Reducing tariffs to promote trade with EuropeC. Establishing work programs for the unemployedD. Establishing regulations concerning banks and stock traders What components are included in a private, closed economy? households and businesses, but not government or international trade. O households, businesses, and government, but not international trade. Consider the following limit of Riemann sums of a function f on [a,b]. Identify fand express the limit as a definite integral. n Tim (xk) k: 14,131 A-0 k=1 ACIE The limit, expressed as a definit Water vapor transported by the atmosphere across the isthmus of Central America from east to west contributes to the freshwater delivered by precipitation, resulting in a salinity value of ______.a.31b.33c.35" 100 POINTS(50 points each for the 2 people that can answer)A shape has vertices: A(-2,-3), B(-2,4), C(4, -3). Find the area of the shape-NO links-no random answers-No bullying like on my second to last question :(-only correct answer one half of three fourths of a number is 20 less than two fifths of the same number. what is the number? Write and simplify the integral that gives the arc length of the curve y=ex on the interval 1x4. Round the answer to three decimals. [4 points] Write and simplify the integral that gives the surface area when the graph of y=2x+1 on the interval 1x3 is revolved about the x-axis. Round the answer to three decimal places. Which authentication mechanism does 802.1x usually rely upon?A. TOTPB. HOTPC. EAPD. RSA How many stereoisomers can be drawn for the following molecule? 1 4 2 0 3 Br H- H3C H -Br CH3 What is the value of x Let g(x)= x+3 Determine all values of x at which g is discontinuous, and for each of these values of x, define g in such a manner as to remove the discontinuity, if possible x+x-6 CATE g(x) is discontinuous at x= -3,2 (Use a comma to separate answers as needed.) For each discontinuity in the previous step, explain how g can be defined so as to remove the discontinuity. Select the correct choice below and, if necessary, fill in the answer box(es) within your choice at that value. A g(x) has two discontinuities. The lesser discontinuity can be removed by defining g to be at that value. The greater discontinuity can be removed by defining g to be B. g(x) has two discontinuities and neither can be removed. at that value. C. g(x) has two discontinuities. The lesser discontinuity cannot be removed. The greater discontinuity can be removed by setting g to be OD. g(x) has two discontinuities. The lesser discontinuity can be removed by defining g to be at that value. The greater discontinuity cannot be removed. OE g(x) has one discontinuity, and it can be removed by defining g to at that value F. g(x) has one discontinuity, and it cannot be removed. what is the total surface area?