Answers
Answer:
b
Explanation:
Related Questions
explain how the internal parts of a leaf are adapted for photosynthesis
Answers
Explanation:
Leaves have a large surface area so more light hits them. The upper epidermis of the leaf is transparent, allowing light to enter the leaf. The palisade cells contain many chloroplasts which allow light to be converted into energy by the leaf.
Replicate the following strand of DNA: AATCATGGA
Answers
Answer:
UUAGUACCU
Explanation:
A ---> U
T ---> A
C ---> G
it's been a while since I did this stuff but I'm 99% sure it's correct
The replicate strand of the given strand of DNA is TTAGTACCT as per the complimentary base pairing in DNA.
What is DNA?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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true/false. polyploid cells contain two copies of each chromosome.
Answers
False. Polyploid cells contain more than two copies of each chromosome.
Polyploidy refers to the condition where cells or organisms have multiple sets of chromosomes. For example, triploid cells have three sets of chromosomes, tetraploid cells have four sets, and so on. Each set of chromosomes within a polyploid cell may consist of multiple copies of individual chromosomes. Polyploid cells refer to cells that contain more than two complete sets of chromosomes. This condition can occur naturally in certain organisms or be induced artificially in laboratory settings. Polyploidy can result from errors during cell division, such as errors in chromosome segregation or fusion of cells with different chromosome numbers.
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Need immediate help!!
Answers
Answer:
A
Explanation:
The cell would likely not have fewer chromosomes than the parent because those cells are formed from nondisjunction and not base mutations and those cells are usually not viable
the cell would not produce more proofreading proteins to eliminate future mutations --> the concentration of proofreading proteins does not change in response to a singular mutation
the cell would not be more likely to have an environmental mutation because those occur at random
all urine specimens become alkaline and cloudy on standing at room temperature. explain why
Answers
All urine samples become alkaline and cloudy when at room temperature due to the bacterial decomposition process.
Bacteria that naturally reside in the urinary tract begin to multiply and break down the urea in the urine, producing ammonia. This ammonia raises the pH of the urine, making it more alkaline.
As the bacteria continue to grow and multiply, they produce other by-products that cause the urine to become cloudy. This turbidity is due to the presence of bacteria, white blood cells, and other cellular debris.
Therefore, it is important to refrigerate urine samples as soon as possible to prevent bacterial growth and maintain the integrity of the sample.
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In humans type A blood is caused by the antigen A in the red cells resulting from gene A. Type B is caused by a gene B for antigen B. Type O blood results from the absence of either gene while the presence of both genes causes both antigens to be formed resulting in type AB blood. If a person of blood group AB marries one belonging to blood group O what will be the blood groups of their children? Show the Punnett square for this cross.
Answers
Answer:
Type A and type B
Explanation:
This question is describing blood type in humans. According to the question, type A blood is caused by the antigen A of gene A while Type B is caused by a gene B for antigen B. Type O blood results from the absence of either gene while the presence of both genes causes both antigens to be formed resulting in type AB blood.
If a person of blood group AB i.e. genotype (iAiB) marries one belonging to blood group O (genotype ii), the following genotypes of offsprings will be produced (see attached image for punnet square):
iAi - blood type A
IBi - blood type B
Explain how the process of natural selection can be the driving force behind the evolution of a tiger and human.
Answers
Answer: the pple
Explanation:fjjfjjfjf
Transcribe the following strand of DNA into mRNA:
DNA: TAC-GCC-GAC-ACT
Answers
why do brain cells do brain things
Answers
They are building blocks of your brain, and transmit information to other neurons, muscles, and tissues throughout the body. They allow you to think, feel, move, and comprehend the world around you.
hope it helps...!!
What is the evidence from Studies 1 and 2 that capacitors and inductors worked in opposite ways?Passage III
A capacitor is the name for a device that stores electrical charge. Capacitance is the amount of charge that a capacitor can hold at a given voltage. In a science class, a teacher instructed her students to determine the charge on a parallel plate capacitor with a fixed capacitance. Students conducted a few different studies with this capacitor.
Study 1
Students constructed an electrical circuit with the capacitor, as shown in Figure 1. The capacitor was initially uncharged.
Students then charged the capacitor and recorded the voltage at specific time intervals. They then used a computer program to help them graph this information, which is recorded in Figure 2.
With this data, students then calculated the current at each time interval and recorded this information in Table 1. The students noted any trends and determined that voltage and current initially change rapidly before leveling out.
Study 2
The teacher then introduced students to an inductor and explained that, contrary to capacitors, which store energy in an electric field, inductors store energy in a magnetic field produced by the current running through the wire. As a result,
inductors oppose changes in current and act opposite of capacitors, which oppose changes in voltage. She then drew a diagram on the board for students, Figure 3.
The teacher then recorded the decay in voltage over time and represented this in a graph for students, as shown in Figure 4.
Finally, she plotted the drop in voltage and increase in current in a chart similar to the one that the students had produced in Study 1 (see Table 2).
Question 1 of 2
What is the evidence from Studies 1 and 2 that capacitors and inductors worked in opposite ways?
As time progressed, capacitor voltage increased while inductor voltage decreased.
As time progressed, capacitor voltage decreased while inductor voltage increased.
As time progressed, capacitor current increased while inductor current decreased.
Answers
The opposition of a capacitor to a change in voltage versus an inductor's opposition to a change in current is one of the key distinctions between the two devices.
What is a capacitor?Once more, a capacitor can be set up in many different ways. With an electric charge on each plate, the most basic design consists of two parallel conducting plates (but a net charge of zero).A magnetic field is produced inside the capacitor by the electric charge on these plates. An alteration in the electric potential across the plates is necessary because there is an electric field. Depending on how much is being charged, this potential difference's worth can vary. One way to express the capacitor's potential difference is as follows:Δvc = Q/C
Here, C, the capacitance measured in Farads, is only affected by the device's physical design.The value of the charge on the plates will change if a current is flowing into the capacitor. If there is a steady (or low frequency) current, this current will keep adding charge to the plates to raise the electric potential until finally, this potential will operate like an open circuit with the capacitor voltage being equal to the battery voltage (or power supply). The capacitor will behave as though it were not there if there is a high frequency current because the charge will be added to and subtracted from the plates in the capacitor without any charge buildup.To Learn more About capacitor refer To:
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how does the dna polymerase that is synthesizing the lagging strand stay bound to its template dna strand and coordinate with the dna polymerase on the leading strand?
Answers
The dna polymerase that is synthesizing the lagging strand stay bound to its template dna strand and coordinate with the dna polymerase on the leading strand is DNA polymerase on the leading strand attaches to DNA polymerase on the trailing strand.
DNA replication is the process of doubling the DNA chain assisted by DNA polymerase before mitosis or meiosis I in the S phase of the cell cycle. The DNA is made of two strands and each strand of the parent cell acts as a template for the production of complementary strands.
The lagging strand is the synthesized DNA strand and is located in the 5'→3' direction at the replication fork. During the replication process, nucleotides will be added to the end of the sugar from the Okazaki fragment with the help of DNA ligase enzymes. In order for the lagging strand to remain attached to the template DNA strand, the DNA polymerase on the leading strand attaches to the DNA polymerase on the trailing strand.
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c.assume the length of the human genome sequence is exactly 3gbp. how many purines (as and gs) do you have in the dna molecules across all chromosomes in a single human cell in g2?
Answers
In a single human cell in G2 phase, there would be approximately 1.5 billion purines (adenine and guanine) and 1.5 billion pyrimidines (cytosine and thymine)
The human genome is the complete set of genetic instructions for a human being and is stored in the DNA molecules within the chromosomes. In each chromosome, the DNA is composed of a sequence of base pairs, which are the building blocks of the genetic code. The base pairs are composed of four different nitrogenous bases: adenine (A), cytosine (C), guanine (G), and thymine (T).
In the DNA molecule, adenine always pairs with thymine and guanine always pairs with cytosine, forming the rungs of the DNA ladder. The human genome contains approximately 3 billion base pairs in total, with approximately equal amounts of adenine and thymine and equal amounts of guanine and cytosine.
Therefore, in a single human cell in G2 phase, there would be approximately 1.5 billion purines (adenine and guanine) and 1.5 billion pyrimidines (cytosine and thymine) in the DNA molecules across all chromosomes.
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An organic molecule that is tightly bound to an enzyme and participates in an enzyme catalyzed reaction is specifically referred to as a _____.
Answers
Answer:
cofactor
Explanation:
I hope this help
An organic molecule that is tightly bound to an enzyme and participates in an enzyme catalyzed reaction is specifically referred to as a prosthetic group, which is in option E. Hence, option E is the correct option.
A prosthetic group is an organic molecule that is tightly and permanently bound to an enzyme and participates directly in the enzyme-catalyzed reaction. Prosthetic groups are a type of coenzyme, which are small, non-protein molecules that help enzymes perform their catalytic functions. However, unlike some coenzymes that may bind loosely and reversibly to the enzyme, prosthetic groups remain tightly attached and are considered essential components of the enzyme's active site, playing a crucial role in the catalytic process. Hence, option E is the correct option.
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Complete question is below,
An organic molecule that is tightly bound to an enzyme and participates in an enzyme catalyzed reaction is specifically referred to as a _____.
A) cofactor
B) metal ion
C) coenzyme
D) cosubstrate
E) prosthetic group
What is the best way to describe the particles that make up a gas ?
A. Completely still
B. Vibrating in place
C. Closely packed
D. Very energetic
PLEASE HURRY PLEASE AND THX .!!
Answers
Answer:
Hey guys! The other person who answered the question is wrong, the Answer would be “Very energetic” :)
Explanation:
Cutaneous, mucous, and serous are terms that refer to which of the following? Membranes Connective tissues Epithelial tissues Exocrine glands.
Answers
Cutaneous, mucous, and serous are terms that refer to different types of membranes in the human body.
These membranes are composed of epithelial tissues, which are one of the four primary tissue types in the body. Epithelial tissues provide protection, secretion, and absorption functions, and they cover body surfaces, line cavities, and form glands.
Cutaneous membranes, also known as the skin, are the body's largest and most visible organ. They provide a protective barrier against external factors, such as microbes, and help regulate temperature and sensation.
Mucous membranes line body cavities that open to the exterior, such as the respiratory, digestive, and reproductive tracts. These membranes secrete mucus, which is a lubricating and protective substance that helps trap and remove foreign particles and pathogens.
Serous membranes line closed body cavities and cover the organs within those cavities. They consist of a thin layer of epithelial tissue, and their primary function is to secrete serous fluid, which reduces friction between organs and the cavity walls during movement.
In summary, cutaneous, mucous, and serous refer to different types of membranes composed of epithelial tissues that serve various functions within the body, such as protection, secretion, and reducing friction between organs.
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What are the horticultural advantages of producing plants by cuttings rather than from seeds? Can you think of any disadvantages?
Answers
Answer:
Propagating a plant by cuttings will allow you to keep the special characteristics of that plant. Plants grown from seed will often be different from the parent plant and from each other. Propagating a new plant via cuttings avoids the difficulties of propagating by seed.
You will get greater uniformity (clones) of your plants. The plant will reach maturity at an earlier age. Disadvantages of propagating stem cuttings are: You will get a lack of genetic diversity and you may potentially increase Insect and Disease weakness in the new plant.
VERY EASY QUESTIONS WILL MARK BRAINIEST IT IS IN THE PICTURE PROVIDED
Answers
Answer: hh
Explanation:
Because recessive traits are represented with lowercase letters.
Answer: To determine the child's genotype for straight hair, we need to know the genotypes of the parents. If both parents have straight hair, the child could be homozygous dominant (SS) or heterozygous (Ss). If one parent has straight hair and the other has curly hair, the child would be heterozygous (Ss) if the straight-haired parent is heterozygous and the curly-haired parent is homozygous recessive.
Therefore, I cannot determine the child's genotype for sure.
genetic recombination is a major source of variation among organisms.T/F
Answers
The given statement "Genetic recombination is a major source of variation among organisms." is true because genetic recombination, which includes processes such as crossing over, independent assortment, and random fertilization.
By promoting the mixing and recombination of genetic material, genetic recombination generates new combinations of alleles and increases genetic diversity within a population. This variation is crucial for the adaptation and evolution of organisms over time. It allows for the introduction of novel traits and the potential for natural selection to act upon those traits, leading to the survival of individuals with advantageous genetic variations.
Therefore, genetic recombination plays a fundamental role in generating the genetic diversity necessary for populations to respond to environmental changes, adapt to new conditions, and drive the process of evolution.
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Blood is a biohazard that requires special safety precautions
True or False
Answers
which of the following statements accurately describes the relationship between energy restriction and longevity?
Answers
Lowering energy consumption is more important for improvements and longer life than increasing body fat.
However, the relationship between energy restriction and longevity in humans is still being studied and is not fully understood. It is believed that energy restriction may improve metabolic health and reduce the risk of age-related diseases, ultimately leading to increased longevity. However, it is important to note that severe energy restriction can have negative effects on health and should only be done under the guidance of a healthcare professional. Overall, while there is some evidence to suggest a relationship between energy restriction and longevity, more research is needed to fully understand the mechanisms at play.
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When two species compete, the niche that each species ultimately occupies is its?
Answers
When two species compete, the niche that each species ultimately occupies is its realized niche.
Niche is the functional area of a species. This is the region where an organism actually lives, interacts with its biotic and abiotic factors and most importantly reproduces. Niche is a smaller part of the large habitat. Niche is of two types: Fundamental niche and realized niche.
Realized niche is the niche which an organism lives in due to restrictions. This restriction is usually in terms of competition with another species. Realized niche is the real-world phenomenon. Realized niche can be smaller than or equal to fundamental niche, but it can never be larger.
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Which keyboard shortcut is used to move the cursor one cell to the right of the insertion point? tab shift tab down arrow shift left arrow
Answers
Answer:
To move to the next cell to the right, Press "TAB" To move to the next cell to the left, press SHIFT + TAB. To move to the edge of a data region, press CONTROL + Arrow Keys. To move to the first cell in the row, press HOME.Answer: Tab
Explanation:
a type of kinetic energy that powers a cellphone.
Answers
Answer:
electric energy
Explanation:
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Answers
Over a period of several thousand years: natural
Organisms that best adapt to their environment: natural
Alaskan sled dogs: artificial
Farmers only allow: artificial
Answer:
can you give me brainliest?
Explanation:
explain the general sequence of events that follow lipophilic ligand binding to intracellular receptors
Answers
The binding of lipophilic ligands to intracellular receptors leads to the general sequence of events. Lipophilic ligands or hydrophobic ligands are compounds that are lipid soluble and can bind to lipid regions of proteins.
The intracellular receptors are cytoplasmic or nuclear receptors, so once the ligand binds to it, it enters the cell and then it will bind to the receptor, forming a ligand-receptor complex. The ligand-receptor complex then undergoes a conformational change, revealing the nuclear localization sequence, which allows it to pass through the nuclear membrane.
The complex then binds to specific DNA sequences, called hormone response elements (HRE), that are located in the regulatory region of target genes. Once the ligand-receptor complex binds to the HRE, it recruits co-activators that can either help remodel the chromatin structure or initiate transcription directly. Co-activators can either enhance or stabilize the transcription factor's binding to DNA.
Furthermore, co-activators help in recruiting the RNA polymerase II, transcription factors, and other associated proteins required for transcription. The general sequence of events following ligand binding to intracellular receptors can be summarized as ligand binding to the receptor → ligand-receptor complex formation → translocation to the nucleus → binding to HRE → recruitment of co-activators → initiation of transcription.
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Four types of cells from a parent organism are shown in the table all for cells are exposed to radiation that changes the DNA in the parent cells which of the parent cells can transmit the changed DNA to the offspring
1. Brain cell
2. Red blood cell
3. Smooth muscle cell
4. Egg cell
Answers
An unknown specimen was grown on Indole media. Based on your observation of this specimen choose the appropriate statements.
A. This test is a part of the IMViC panel of tests
B. The organism tested converts tryptophan to indole.
C. This media is inoculated by stabbing the agar in the tube.
D. This is a picture of a negative test result.
E. This is a picture of a positive test result.
F. The organism tested fermented indole.
Answers
Here are the appropriate statements about an unknown specimen grown on Indole media based on your observation: B. The organism tested converts tryptophan to indole.C. This media is inoculated by stabbing the agar in the tube.E. This is a picture of a positive test result.F. The organism tested fermented indole.
The indole test is used to determine an organism's ability to decompose the amino acid tryptophan into indole. The indole production is detected by adding Kovac's reagent, which contains p-dimethylaminobenzaldehyde, to the medium after incubation.
Tryptophan is an amino acid that is the precursor to indole production in this test. The amino acid tryptophan is a prerequisite for indole production. It is for this reason that organisms that can break down tryptophan into indole are positive.
This is the appropriate response to the student's question:
An unknown specimen was grown on Indole media. Based on your observation of this specimen choose the appropriate statements. B. The organism tested converts tryptophan to indole.C. This media is inoculated by stabbing the agar in the tube.E. This is a picture of a positive test result.F. The organism tested fermented indole.
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Goal
Investigate the optimal amount of foliage for the red, short furred slinquettes' population.
My Hypothesis
If I change the foliage so it increases, then the final number of slinquettes with red, short fur will increase.
My Analysis
Now that you have collected and analyzed your data, you will write an argument that explains how your experiment answers your question. There are three parts: claim, evidence, and reasoning.
hide data
My Evidence
Trial # Fur Color Mutation Fur Length Mutation Foliage Temperature Final Number of Slinquettes Red, Long Fur Final Number of Slinquettes Red, Short Fur Final Number of Slinquettes Green, Long Fur Final Number of Slinquettes Green, Short Fur
1
lots mild
not present
0
endangered
1
not present
0
not present
0
3
lots mild
not present
0
endangered
1
not present
0
not present
0
4
lots mild
not present
0
endangered
1
not present
0
not present
0
5
lots mild
not present
0
endangered
1
not present
0
not present
0
6
some mild
not present
0
surviving
6
not present
0
not present
0
7
lots mild
not present
0
endangered
1
not present
0
not present
0
8
some mild
not present
0
surviving
6
not present
0
not present
0
Claim
Write a sentence that states what you found out about the scientific question you just investigated. Provide enough detail so that a friend who did not do the experiment could learn from your description.
Evidence
Provide and describe scientific evidence from your data table that supports your written claim. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description.
Reasoning
Explain why your evidence (what you wrote in Box 2) supports your claim (what you wrote in Box 1). Also, explain the scientific principles behind your reasoning. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description
Answers
Answer:
Claim: Increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur.
Evidence: The data table shows the results of eight trials where the amount of foliage was manipulated. In all trials, regardless of the amount of foliage (whether "lots" or "some"), the final number of slinquettes with red, short fur remained at 0. There were no instances where increasing the foliage resulted in an increase in the population of slinquettes with red, short fur.
Reasoning: The evidence from the data table supports the claim that increasing the amount of foliage does not lead to an increase in the final number of slinquettes with red, short fur. This suggests that the presence or absence of foliage does not have a significant impact on the population of slinquettes with red, short fur.
Based on the provided data, it is reasonable to infer that factors other than foliage, such as temperature, fur color mutation, and fur length mutation, may have a stronger influence on the population dynamics of slinquettes. These factors could be responsible for the observed patterns in the data.
It's important to note that the reasoning provided here is based solely on the given data and analysis. In a real scientific investigation, additional factors, experimental controls, and statistical analysis would be required to draw definitive conclusions.
The amount of energy required to heat 0.5 kilograms of water until the temperature increases 12° C is about
Answers
Answer:
Q = 25104 / 4.184 = 6000 Calories or 6 Kcal
Explanation
Energy can be calculated by the equation
Q = m x Cp x delta T
where
m = mass = 0.5 kg
Cp = specific heat of water = 4184 J
Delta T = 12 degrees
Multiplying all
Q = 0.5 x 4184 x 12 = 25104 Joules
Converting it to Calories
Q = 25104 / 4.184 = 6000 Calories or 6 Kcal
DUE IN 12 MIN Please help me with these, will mark brainliest
Answers
Answer:
I am certain the answer is A sorry if im wrong
Explanation: