The molecules shown in this image are able to cross the cell membrane
through facilitated diffusion. How will they be transported?
A. The molecules will move through channels in the membrane hy
proteins from inside the cell to outside the cell.
B. The molecules will move directly across the membrane from
inside the cell to outside the cell.
C. The molecules will move through channels in the membrane proteins from outside the cell to inside the cell.
D. The molecules will move directly across the membrane from the outside the cell to inside the cell.
Answers
Answer:
The molecules will move directly across the membrane from
inside the cell to outside the cell.
Explanation:
Ape-x
Facilitated diffusion is the type of transportation that moves the ions and the molecules. The molecules are transported directly through the membrane from inside to outside. Thus, option B is correct.
What is facilitated diffusion?Facilitated diffusion is the transportation of the molecules and ions across the cell membrane along the concentration gradient. It is a passive transport that involves the movement down the gradient.
The molecules are transported by the membrane proteins that facilitate their movement from inside of the cell towards the outer space of the cell. Unlike simple diffusion, facilitated diffusion uses energy in the form of ATP.
Therefore, the molecules present inside the cells will move directly towards the outside of the cell.
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Related Questions
A mutated site in DNA where two adjacent thymine bases become covalently cross-linked to one another is termed a(n)
Answers
A mutated site in DNA where two adjacent thymine bases become covalently cross-linked to one another is termed a thymine dimer.
This type of damage occurs due to exposure to UV radiation, which can cause the thymine bases in DNA to bond with one another instead of with their complementary adenine bases. Thymine dimers cause structural distortions in the DNA double helix, leading to errors in DNA replication and transcription. If not repaired by DNA repair mechanisms, thymine dimers can lead to mutations and ultimately cancer. However, cells have evolved various mechanisms to recognize and repair thymine dimers to prevent genomic instability and maintain normal cellular function.
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Full Question: A mutated site in DNA where two adjacent thymine bases become covalently cross-linked to one another is termed a(n)_____
ANSWER QUICK
The increasing population growth, especially in the developing nations, leads to
Group of answer choices
increased pollution of the environment.
quicker depletion of resources.
increased competition for resources.
all of the choices.
Answers
ANSWER QUICK
The increasing population growth, especially in the developing nations, leads to
Group of answer choices
increased pollution of the environment.
quicker depletion of resources.
increased competition for resources.
all of the choices.
Answer:
all of the above.
whould you be able to observe the DNA of a single cell?
Answers
Answer:
All living things have DNA: the chemical instructions on how to make a living thing, from humans to strawberries. Many people assume that because DNA is so small, we can't see it without powerful microscopes. But in fact, DNA can be easily seen with the naked eye when collected from thousands of cells.
Explanation:
Which is one way that the movement of matter through an ecosystem is different from the transfer of energy?
A. Only the movement of matter involves living things.
B. Only the movement of matter flows in one direction only.
O
C. Only the movement of matter occurs in an unending cycle.
o
D. Only the movement of matter involves feeding relationships.
Answers
Answer:
The answer is C. the movement of matter occurs in an unending cycle.
Answer:
Only the movement of matter occurs in an unending cycle.
just took the test
Question 10 of 10
How would increasing the amount of water in blood affect blood pressure?
A. Blood pressure would increase
O
B. Blood pressure would stay the same
O C. Blood pressure would decrease
O D. Water is not related to blood pressure
SUBMIT
Answers
Answer:
A
Explanation:
Which of the following is a major reason that many people are against damming up rivers for human use? A) dams create floods B) dams are not aesthetically pleasing to the community C) dams affect the aquatic organisms and surrounding ecosystem D) dams prevent the use of water for hydroelectric power
Answers
Answer:
i feel as if the answer would be C or D
Explanation:
Because the first two isnt really that abd but dams ruin the water and people want that to themselves if that makes sense
A major reason that many people are against damming up rivers for human use is because dams affect the aquatic organisms and surrounding ecosystem. T Option C. his is further explained below.
What is a Dam?A Dam built to hold back and elevate the level of water, producing a reservoir used to produce energy or as a water source.
In conclusion, Many individuals are opposed to damming rivers for human use because dams harm aquatic species and the surrounding ecology.
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What is the density (in g/mL) of a 5.00 mL urine sample from a patient suffering from symptoms resembling those of
diabetes mellitus if the mass of the urine sample is measured to be 5.025 g?
O 0.995 g/mL
O 0.9950 g/mL
O 1 g/mL
O 1.00 g/mL
O 1.01 g/mL
Answers
The density (in g/mL) of the urine sample is 1.005 g/mL.
Density of a urine sample
The density (in g/mL) of a 5.00 mL urine sample from a patient suffering from symptoms resembling those of diabetes mellitus if the mass of the urine sample is measured to be 5.025 g can be calculated as follows:
Mass of urine sample = 5.025 g
Volume of urine sample = 5.00 ml
Density of urine sample is defined as mass per unit volume. The formula for density is as follows:
Density = mass/volume
= 5.025 g/5.00 mL
= 1.005 g/mL
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How do the properties of the oil and of the plastic of the kayak differ? What makes the plastic a good choice for kayak material?
Answers
The properties of the oil and the plastic used to make kayaks differ in several ways. Firstly, oil is a liquid, while plastic is a solid material. This means that oil can flow and take on any shape, while plastic is rigid and has a defined shape.
In terms of chemical composition, oil is a hydrocarbon, which means it is made up of hydrogen and carbon atoms. Plastic, on the other hand, is a polymer, which means it is made up of repeating units of smaller molecules. When it comes to kayaks, plastic is a popular choice of material due to its durability and resistance to water. Plastic kayaks are typically made from high-density polyethylene (HDPE), which is a strong and durable polymer that can withstand the rigors of outdoor activities.
HDPE has several properties that make it a good choice for kayak material. Firstly, it is lightweight, which makes it easy to maneuver and transport. Additionally, HDPE is resistant to UV radiation, which means that it will not break down or degrade in sunlight. This is important for kayaks because they are often exposed to the sun for long periods of time.
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To effectively address loss of habitat and loss of biodiversity, the protection of an individual species a. Is always the best approach b. Can be a useful first step, but additional measures are typically needed c. Should only be considered as a last resort d. Is not necessary if habitat and biodiversity are protected more broadly
Answers
b. Can be a useful first step, but additional measures are typically needed.
Protecting an individual species can serve as a valuable initial approach in addressing habitat loss and loss of biodiversity.
By focusing on the conservation and preservation of a specific species, it can help raise awareness and catalyze efforts to protect its habitat and surrounding ecosystems.
However, solely focusing on the protection of an individual species may not address the broader issues at hand.
Additional measures, such as habitat conservation, ecosystem restoration, and sustainable management practices, are often necessary to effectively address the larger challenges of habitat loss and biodiversity decline.
Therefore, while protecting an individual species can be an important step, it is generally insufficient on its own and needs to be complemented by broader conservation strategies.
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Question 2: COVID19 and Spain (16 marks) Spain was hit hard by COVID19. To date the country recording close to 75,000 deaths. Assume, the only way to get this virus under control is a vaccine. Figure
Answers
Spain has recorded close to 75,000 deaths from COVID-19.
Spain has been significantly affected by the COVID-19 pandemic, experiencing a high number of cases and deaths.
As of now, the country has recorded close to 75,000 deaths attributed to COVID-19. The impact of the virus has been devastating, causing immense loss and hardship for individuals, families, and communities across the nation.
Like many other countries, Spain has recognized that vaccination is a crucial tool in controlling the spread of the virus and mitigating its impact.
Vaccines have proven to be effective in reducing the severity of illness, hospitalizations, and deaths associated with COVID-19.
Therefore, widespread vaccination efforts have been implemented in Spain to protect the population and prevent further loss of life.
Vaccination campaigns involve administering authorized vaccines to as many people as possible, prioritizing vulnerable populations and healthcare workers.
These efforts aim to achieve herd immunity, where a significant portion of the population is immune to the virus, thereby reducing its transmission and protecting those who cannot be vaccinated.
The challenges posed by the COVID-19 pandemic have highlighted the importance of public health measures, including vaccination, in controlling the spread of infectious diseases and safeguarding the well-being of individuals and communities.
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Ariana walks into the chemistry class on the day of the lab with flip flops, her hair loosely hanging across her face and wearing her favorite oversized hoodie. She is going to use her designer sunglasses as lab goggles- because fashion first! She can’t wait to play with chemicals and fire!
Please explain to Ariana why she is not prepared for the lab, addressing each of the issues above
Answers
Answer:
she is not prepared because she brought unnesasery things
Explanation:
Answer:
ariana needs to wear tight fitting clothes and tie her hair back to avoid getting chemical on them or catching on fire. she needs goggles to properly protect her eyes. she also needs close toed shoes to protect her feet
Explanation:
How many species are found in a community?
Answers
A technologist repeatedly misses tubercle bacilli when examining stained smears for acid-fast bacilli. What plan of action should the supervisor first take to correct this problem
Answers
The supervisor should **review the technologist's technique** and **provide additional training** to improve their ability to detect tubercle bacilli in acid-fast stained smears.
In order to correct this issue, the supervisor should first observe the technologist's current technique for examining stained smears, identifying any areas for improvement. Next, the supervisor should provide additional training and resources on **acid-fast staining procedures** and **microscopic examination**. This may include discussing proper sample preparation, staining techniques, and the characteristics of tubercle bacilli in stained smears. Regular feedback and quality control checks should also be implemented to ensure that the technologist is consistently identifying tubercle bacilli in future examinations. By addressing the root cause of the problem and providing targeted support, the supervisor can help the technologist improve their accuracy in detecting tubercle bacilli.
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Read the following scenario and state which of the following is the independent variable
A. Growth of bean plants
B.Amount of light l
C.Type of light
D.Color of beans
Answers
What are the three main properties of the atmosphere and how do they interact?
Answers
Answer:
The three properties of the atmosphere are temperature, air pressure, and humidity. Air pressure decreases with height because the mass of air above you decreases. The temperature varies, but it continues to increase near the end in the exosphere. Humidity is not directly affected by altitude
Hope it helps :)
Explanation:
What Is Air?
You probably don't think too much about air, but it's all around you. It takes up space and is pushing on you right now. There isn't air in space, and if you were to suddenly find yourself in the middle of space without a spacesuit, you'd be aware of how important air is to your survival. Obviously, you need the oxygen to breathe, but if there isn't any air to push on you, bad things start to happen. For starters, bubbles would form in your bodily fluids, and you would double in size. Yikes. Let's get a spacesuit on you ASAP!
So… what is air? Air is a mixture of gases, water vapor, and other substances, and it has specific properties, or characteristics.
Air is made up of gases
Air has mass
Air exerts pressure and has weight
Air can be compressed
Air is impacted by temperature
Wow, that's a lot of new terminology! Let's check out each point on that list.
Mass and Mixture of Gases
Mass is defined as how much stuff an object contains - and by stuff, I mean matter, like atoms and molecules. And even though you can't see it, air has a lot of atoms and molecules. Air is a gas (as opposed to a liquid or a solid) and contains about 78% nitrogen, 21% oxygen, and 1% argon. There are other trace gases in air, like helium, carbon dioxide, and neon, just to name a few.
Air also contains water vapor; the amount varies depending upon the location (think tropical, humid Hawaii versus the dry desert of Las Vegas). Finally, air contains other things, like dust, pollen, and bacteria.
What proof is there that air has mass? Well, if you blow up a balloon with air, the balloon expands. It's expanding due to the gases, water vapor and other materials that give air mass.
Pressure and Weight
Let's move on to pressure, or when something exerts a force on something else. All of those atoms and molecules we just mentioned are moving all around you. The pressure you're experiencing right now is due to all of those atoms and molecules bumping into you, as well as the weight of all of the air molecules and atoms above you.
And how do we know those atoms and molecules have weight? If you were to weigh an empty balloon and then fill it with air and reweigh it, you'd notice it gained weight. This is because, as long as there's gravity, everything with mass has weight (including air).
And here's a fun fact: at sea level all of the air above you exerts 14.7 pounds per square inch on your body (as well as everything around you). If you're below sea level, the number is greater (because you have more air pushing
you are doing a biochemical analysis of molecules from cells from patients with a certain disease compared to cells from control patients who do not have the disease. you find that patients with the disease have unusually high levels of cytosine molecules with ch3 groups attached to their cells. which modification has taken place in the cells from the disease patients?
Answers
Epigenetic modification, or DNA methylated bases, is the term used to describe the cell alteration linked to differential cytosine methylation on disease patients' cytosine bases.
Epigenetics: What is it?Epigenetics is a branch of genetics that focuses on how various chemical alterations to the DNA nucleotide sequence and associated chromatin proteins (histones) may change how some genes are expressed. This knowledge is crucial for understanding both normal development and disease states.
The epigenetic changes, which control how genes are expressed in specialized eukaryotic cells, include acetylation and/or methylation of histones, DNA methylation clustered on CpG islets (cytosine-rich areas), non-coding RNA pathways, etc.
Given this information, we can conclude that the study of how chemical groups added to DNA affect its phenotype is known as epigenetics, a branch of genetics.
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Ecosystems rely on interactions between both biotic and abiotic
factors. Which of the following is considered an abiotic
factor?
-consumers
-plants
-water
-bacteria
Answers
Answer:
water is an abiotic factor
Help please……………………….
Answers
heterozygous.
yan po ang sagot
This table shows the codons found in messenger RNA. Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln?
UUC-UCU-CAA
AAG-AGA-GTT
TTC-TCT-CAA
AAG-AGA-GUU
Answers
Answer: rna: ribonucleic acid, a nucleic acid present in all living cells. Its principal role is to act as a messenger carrying instructions from DNA for controlling the synthesis of proteins, although in some viruses RNA rather than DNA carries the genetic information.
Explanation:
What evidence did Wallace claim shows
that new species are modified forms of
old species?
Answers
Answer:
Read Below
Explanation:
Wallace is often referred to as the father of modern biogeography. 6. The finger bones inside manatee and whale flippers are evidence that these living species are modified forms of older species.
Which is a characteristic of the part of the atom marked
"A"?
It contains most of the mass.
It is negatively charged
It is mostly empty space.
It is composed of electrons.
Answers
Answer:
It contains mostof the mass.
Explanation:
I just took the assignment.
Assume Deb eats three 150-gram bags of potato chips each day.
Answers
In 100 grams of PRINGLES, there are:
Energy 536kcalCarbohydrates 57.14 gProteins 3.57gTotal lipids (fats) 32.14gGenerally the recommended daily calorie intake is 2,000 calories a day for women and 2,500 for men.
If Deb eats 150 g pringles echoes, the composition is:
Energy 804 kcalCarbohydrates 85.71 gProteins 5.35 gTotal lipids (fats) 48.21 gDeb eats three 150 gram bags of potato chips every day, so her calorie consumption is:
Energy 804 kcal x 3 bags = 2412 kcalCarbohydrate 85.71 g x 3 bags = 257.13 g5.35 g protein x 3 bags = 16.05 gTotal lipids (fat) 48.21 g x 3 bags = 144.63 gI sure hope Deb gets plenty of exercise, because her caloric needs are more than recommended.
Your question is incomplete but most probably your full question was:
Assume Deb eats three 150-gram bags of potato chips each day. Use the USDA food database to calculate Deb’s calorie consumption and the number of grams of protein, carbohydrates (by difference), and the total fat that she eats. You may use any brand of potato chips in the database, but state the brand in your answer.
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1. The South thought that it could win the war because a. it had skilled military men and could fight a defensive. b. Great Britain was on its side. c. cold weather in the North would make military training difficult. d. they could arm slaves and send them into battle first.
Answers
Answer: The answer is D.they could arm slaves and send them into battle first.
Explanation: This is the right answer because if you really think and read then this answer will make more sense
Thank you!!!
PLEASE GIVE CREDIT IF YOU USE MY IDEA (Meaning use this answer)
Most people do not realize that the lack of a gene can often result in a trait, such as the inability to digest milk because the cell doesn't express a gene that codes for the enzyme lactase. The failure of which biomolecule results in the missing gene that leads to the inability to digest milk?
Answers
Answer:
I would say protein.
Explanation:
Enzymes (protein) are responsible for proofreading the replicated DNA sequences and fixing any mistake. The failure of that, brought about this genetic fault that gets passed down generations.
what conditions will cause the highest rate of transpiration in a well watered broad leaf plant?
Answers
The rate of transpiration in a well-watered broad leaf plant is influenced by various environmental factors, including light, temperature, humidity, and wind.
The highest rate of transpiration in a well-watered broad leaf plant is typically observed under warm and dry conditions with high light intensity and low humidity.
Specifically, when the temperature is high, the plant's stomata tend to open wider to release excess heat, which in turn increases the rate of water loss through transpiration. Additionally, when the air is dry, the concentration of water vapor in the atmosphere is low, creating a gradient that favors water loss from the plant to the air. Under such conditions, wind can also increase the rate of transpiration by removing water vapor from the surrounding area and further reducing the concentration of water vapor around the plant.
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Which of these is true of Municipal Solid Waste?
Your answer:
O All MSW can safely be deposited into the ground.
OMSWS only include waste from residential homes.
O Overall waste has increased significantly over the years, but has stabilized per capita.
Recycling has decreased the amount of waste being produced.
O
Answers
Out of the options given, the correct statement about Municipal Solid Waste (MSW) is that overall waste has increased significantly over the years, but has stabilized per capita.
This means that although the total amount of waste generated has increased, the amount of waste generated per person has remained relatively constant.
This stabilization can be attributed to the increased awareness and adoption of waste reduction and recycling practices.
It is important to note that not all MSW can be safely deposited into the ground. This type of waste can include hazardous materials such as chemicals and electronics, which can pose a risk to the environment and human health if not properly disposed of.
Therefore, it is important to properly manage and dispose of MSW through methods such as recycling, composting, and safe landfill practices.
Additionally, MSW includes waste from both residential and commercial sources, not just from residential homes. Recycling efforts have indeed decreased the amount of waste being produced, but the impact of this reduction is limited as many items are still not easily recyclable and some communities lack proper recycling infrastructure.
Therefore, continued efforts to reduce waste and improve recycling practices are important to ensure sustainable management of MSW.
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Al is analyzing the musculature involved in the athletes he coaches. Today he is observing a basketball player executing a jump shot. Which muscles are involved at the hips, knees, and ankles as the athlete jumps? which muscles are involved at the shoulders, elbows, and wrists as the athlete shoots the basketball?
Answers
Muscles of the hips and ankles are involved at the hips, knees, and ankles as the athlete jumps. The muscles of the arm, forearm, and hand are involved as the athlete shoots the basketball.
When landing from a jump, the muscles of the hips (gluteals), knees (quadriceps and hamstrings), and ankles (calves) that increase jump height are just as important. The flexors of the arm (anterior deltoid, biceps, coracobrachialis), forearm (brachialis), and hand during the handling phase, as well as the extensors (triceps) and pronators (pronator teres) of the forearm during the finishing stage of the shot, are the primary muscle groups of the upper limb that intervene during the action of the shooting. Until the player does not bend, the lower limb muscles contract isometrically and work concentrically (knee flexors) during the bending step.
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Explain why Euglenozoa cannot be classified as either plants or animals?
Answers
Euglenozoa are monophyletic group of flagellated protists as well as free-living, symbiotic, and parasitic species. According to genetic studies, Euglenozoa are meither plant nor animal despite the suffix zoa. They are somewhat the living dependent of a few of the primal unicellular organisms called eukaryotes. It is also a genus of unicellular flagellate protists where the word "unicellular" means that the organism consists of one cell only that's why they're not considered plant or animals.
The cells control center
Answers
Answer:
The BRAIN!
Explanation:
Our brain, the control center of the nervous system and the rest of the body, normally allows us to retain and recall information.
If sperm and egg cells have half of the number of chromosomes found in other body cells, how do gametes form?