Cells sometimes use passive transport to move molecules across their membranes. The rate at which a cell engages in passive transport is determined by —

the amount of energy that the cell generates.

the composition of the cell membrane.

the size of the cell's chloroplasts.

the number of vacuoles that the cell contains.

Answers

Answer 1

Answer:

b

Explanation:


Related Questions

pls help fast!!! thank you :))

Answers

Answer:

hydroelectric

Explanation:

took the test

Answer:

hydroelectric

Explanation:

Which body system works closely with the nervous system to regulate body activity

A. Lymphatic
B. Integumentary
C. Endocrine
D. Muscular

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Answer:

d

Explanation:

d

need rn! worth 13 ~ 謝謝

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It is B I think

Hope this helped

Can someone help me please and thanks

Answers

Answer:

on witch one

Explanation:

What question do u need help with I don’t understand

I'll give you brainliest if u help me asap​

Answers

Answer:

paramecium

Explanation:

google

What's the term that describes all the chemical reactions taking place in an orgasm

Answers

Answer:

Metabolism

Explanation:


5. What type of energy is needed for active transport?

Answers

ATP( adenosine triphosphate )
Adenosine triphosphate.

A brown eyed person (BB) and a blue eyed person (bb) have several children. Which of these statements describe the probable eye color of their children?

1.All will have blue eyes
2.All will have brown eyes
3.Half will have brown eyes, and half will have blue eyes
4.Less than half will have brown eye

Answers

Answer:

2. B. All will have Brown Eyes

Explanation:

Brown is dominant, so all children will have Bb, brown eyes

Answer:

Im pretty sure theyll have brown eyes if not my bad

Explanation:

BRAINLIST


Loveland Loess

(a )Tilting

,(B) Erosion

, (c) Folding


Answers

tilting because idek sorr

HELP PLEASEE
What is the difference in climates east and west of the Cascade Mountains in the Pacific Northwest?
There is more cloud cover and more rain in the east of the Cascade Mountains,
O There are colder winters in the west but milder winters in the east of the Cascade Mountains,
O There is more sunshine and less rain in the west of the Cascade Mountains
There are milder winters in the west but colder winters in the east of the Cascade Mountains,

Answers

Answer:

There are milder winters in the west and colder winters in the east

Answer:

There are milder winters in the west but colder winters in the east of the Cascade Mountains. or d/4th one

Explanation:

made it easier to read other one

What happens when an organic artifact loses its moisture when exposed to dry air?
An organic artifact (blank) and (blank )when it looses its moisture.

Answers

Answer: An organic artifact SHRINKS and DEFORMS when it loses its moisture.

How are Starch and Sucrose Similar? How are they different?

Answers

Answer:they both are a form of carbohydrates that give energy to the body

Explanation:

Reaction: C6H120, + 6
A -> 6
B + 6 H2O + energy
What molecules does letter B represent in the reaction above?
02
O CO2
ОАТР
O H2O

Answers

I believe 6CO2 is the answer

The reaction of cellular respiration involves the use of the glucose molecule in presence of oxygen to produce energy and carbon dioxide. Thus, option B is correct, as molecule B is carbon dioxide.

What is cellular respiration?

Cellular respiration is a chemical method that involves the inhaled oxygen and use of the food molecules to release energy along with the water and carbon dioxide molecules.

Cellular respiration can be depicted by the reaction:

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + energy

Therefore, molecule B is carbon dioxide.

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PLEASE ANSWER SOON SJSKSKS

Answers

Answer:

c and d

Explanation:

Cells use a molecule called
Choose...
to store and release energy like a battery. The energy is stored in chemical bonds between
Choose...
groups of the molecule, and the energy is released when the chemical bonds are broken.

Answers

Answer:

ATP & Phosphate

Explanation:

just took the quiz and got it right

21. Choose one of the hypotheses from Question 20. Describe how you could set up an experiment to test the hypothesis by listing your experimental groups, control group, and at least 2 constants you would need to have.




this is question 2020. Identify the independent and dependent variables in the hypotheses below: (4 pts)
A. If a player practices longer, then he will score more points in the game.
B. If students eat a high-protein breakfast, then they will score higher on their biology test.

Answers

Answer:

Biologists and other scientists use the scientific method to ask questions about the natural world. The scientific method begins with an observation, which leads the scientist to ask a question. She or he then comes up with a hypothesis, a testable explanation that addresses the question.

A hypothesis isn't necessarily right. Instead, it's a "best guess," and the scientist must test it to see if it's actually correct. Scientists test hypotheses by making predictions: if hypothesis \text XXstart text, X, end text is right, then \text YYstart text, Y, end text should be true. Then, they do experiments or make observations to see if the predictions are correct. If they are, the hypothesis is supported. If they aren't, it may be time for a new hypothesis.

How are hypotheses tested?

When possible, scientists test their hypotheses using controlled experiments. A controlled experiment is a scientific test done under controlled conditions, meaning that just one (or a few) factors are changed at a time, while all others are kept constant. We'll look closely at controlled experiments in the next section.

In some cases, there is no good way to test a hypothesis using a controlled experiment (for practical or ethical reasons). In that case, a scientist may test a hypothesis by making predictions about patterns that should be seen in nature if the hypothesis is correct. Then, she or he can collect data to see if the pattern is actually there.

Controlled experiments

What are the key ingredients of a controlled experiment? To illustrate, let's consider a simple (even silly) example.

Suppose I decide to grow bean sprouts in my kitchen, near the window. I put bean seeds in a pot with soil, set them on the windowsill, and wait for them to sprout. However, after several weeks, I have no sprouts. Why not? Well...it turns out I forgot to water the seeds. So, I hypothesize that they didn't sprout due to lack of water.

To test my hypothesis, I do a controlled experiment. In this experiment, I set up two identical pots. Both contain ten bean seeds planted in the same type of soil, and both are placed in the same window. In fact, there is only one thing that I do differently to the two pots:

One pot of seeds gets watered every afternoon.

The other pot of seeds doesn't get any water at all.

After a week, nine out of ten seeds in the watered pot have sprouted, while none of the seeds in the dry pot have sprouted. It looks like the "seeds need water" hypothesis is probably correct!

Let's see how this simple example illustrates the parts of a controlled experiment.

Explanation:

Which process is part of the carbon cycle?

A. Photosynthesis
B. Transpiration
C. Evaporation
D. Fixation

Answers

Hey there!

Photosynthesis is part of the carbon cycle.

Plants absorb carbon dioxide & sunlight in the middle of the photosynthesis process and create glucose (a type of sugar).

I hope this helps,

have a wonderful day. :)

Photosynthesis is part of the carbon cycle. Therefore option A is correct.

Photosynthesis is a vital process in the carbon cycle, which is the biogeochemical cycle that describes how carbon is exchanged and recycled between the atmosphere, living organisms, oceans, and the Earth's crust.

During photosynthesis, green plants, algae, and some bacteria convert carbon dioxide (CO2) from the atmosphere into organic compounds, such as glucose, using sunlight as an energy source.

This process removes CO2 from the atmosphere, reducing greenhouse gas levels and helping to regulate the Earth's climate.

It is an essential step in maintaining the balance of carbon in the biosphere and plays a significant role in sustaining life on our planet.

Therefore option A Photosynthesis is correct.

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Help plssssssssssssssssssssssssss

Answers

Answer:

b.

Explanation:

Answer:

Hypotonic is true

Explanation:

The time that cell is turgid it means that the water enters alot in the cell.

In the text it is mentioned that this happens in an hypotonic solution.

Visual Reading Tool: Inside a Chloroplast
1. Fill in the reactants and products of the light-dependent and light-independent reactions of
photosynthesis.
Light-Dependent
Light-Independent
Reactions
Reactions
NADPH
ATP
THYLAKOID
ADP
STROMA
NADP
2. What is the NADPH responsible for?
3. Where do the "light" reactions (light-dependent) take place?

Answers

Answer:

A) Light dependent reactions

Reactants: light, H2O

Products: Oxygen gas

B) Light independent reactions

Reactants: C02

Products: Glucose

2. NADPH is an electron carrier which transfers electrons in the electron transport chain of photosynthesis

3. Light reactions occur in the THYLAKOID membrane.

Explanation:

As depicted in the image in this question, the photosynthetic process can be grouped into two stages viz; light dependent reactions and light independent reactions. The light dependent reactions, which take place in the THYLAKOID MEMBRANE of the Chloroplast, involves the synthesis of ATP (energy carrier) and NADPH (electron carrier) to be used in the next stage. The reactants of light dependent reactions are light energy from sun, and water (H2O) while the product is Oxygen (O2) gas.

In the light independent reactions, the ATP and NADPH are used to synthesize GLUCOSE as a product from Carbon dioxide (CO2) reactant.

2. The NADPH is is an electron carrier produced from the reduction of NADP+, which transfers or donates electrons to other molecules in the electron transport chain of photosynthesis. This is crucial in building of the proton gradient for ATP production.

3. The light reaction or light dependent reaction takes place in the THYLAKOID MEMBRANE of the Chloroplast.

The light-dependent reactions use ADP and NADP to produce NADPH and ATP (it occurs in the thylakoid membrane), whereas light-independent reactions use NADPH and ATP. NADPH is a cofactor.

The light-dependent reactions use sunlight and water (H2O) to produce oxygen (O2), NADPH and ATP, whereas light-independent reactions use carbon dioxide (CO2) NADPH, and ATP to produce simple carbohydrates (e.g., glucose).

Both light-dependent reactions and light-independent reactions occur in the chloroplast: light-dependent reactions occur in the thylakoid membrane of the chloroplast, whereas light-independent reactions occur in the stroma of the chloroplast.

Reduced nicotinamide adenine dinucleotide phosphate (NADPH)  is a cofactor that transports electrons (e-) and protons (H+) released by sunlight into new carbon-carbon bonds and thus serves to produce simple carbohydrates (i.e., sugars).

In conclusion, the light-dependent reactions use ADP and NADP to produce NADPH and ATP (it occurs in the thylakoid membrane), whereas light-independent reactions use NADPH and ATP to create carbohydrates.

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what are the products of the combustion of a hydrocarbon

Answers

Answer: Carbon dioxide, water, and heat.

Explanation: Hydrocarbon combustion refers to the type of reaction where a hydrocarbon reacts with oxygen to create carbon dioxide, water, and heat. Hydrocarbons are molecules consisting of both hydrogen and carbon. They are most famous for being the primary constituent of fossil fuels, namely natural gas, petroleum, and coal.

Answer:

Carbon Dioxide and Water!!!

Explanation:

EDG2021

harmful contamination of the environment by a chemical of agent entering it over a diffuse area is called

Answers

The answer is Pollution.

Which of the following occur during interphase? Select all that apply.
A) cells prepare for cell division
B) chromosomes divide
C) cytoplasm divides
D) cells grow rapidly
E) chromosomes replicate

Answers

The cell grows , replicates its dna... I think that’s it sorry if I’m wrong

Cells grow rapidly and hromosomes replicate are occurs during interphase.

What do you mean by interphase?

Interphase is the portion of the cell cycle that is not accompanied by visible changes under the microscope, and includes the G1, S and G2 phases. During interphase, the cell grows, replicates its DNA and prepares for mitosis.

A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.

Interphase is the longest part of the cell cycle. This is when the cell grows and copies its DNA before moving into mitosis. During mitosis, chromosomes will align, separate, and move into new daughter cells.

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Which of the following is a description of trait of a country with a high
carrying capacity?
O A. Food grown on land near homes
B. Spending hours per day collecting water
C. Easy access to safe drinking water
O D. Very little access to refrigeration
SOMEONE PLEASE HELP ME IM STUCK ON THIS PLEASEEEE

Answers

The correct answer is D

Answer:easy access to safe drinking water

Explanation:

what is the purpose or function for ectoplasm in biology

Answers

the ectoplasm) causes the forward flow of the inner, granular layer of cytoplasm (the endoplasm) into the tip of a pseudopod, thus advancing the whole body of the organism.

I’ll mark brainly to the correct answer!

Answers

The answer is C. They destroy the ozone layer
the anwsers seem to be letter C

Researchers want to use eDNA to look for an invasive species in a waterway.
Which step should they do last?
A. Cut the DNA into fragments of different sizes.
B. Compare the samples with a positive control.
C. Isolate DNA from the waterwakin question.
D. Stain the gel to reveal a banding pattern.

Answers

The last step to observe different DNA patterns is to stain the gel to reveal a banding pattern (Option D).

DNA extraction, polymerase chain reaction (PCR) and fragment separation by gel electrophoresis are basic molecular techniques used to identify patterns in DNA.

The patterns in DNA can be used for identifying an individual in a population, distinguishing different species, etc. These patterns can be obtained by using restriction enzymes.

There are different dyes used to stain DNA before the identification of patterns in DNA.

For example, ethidium bromide is a widely used dye to stain DNA before fragment separation by agarose gel electrophoresis.

In conclusion, the last step is TO STAIN the gel with a DNA dye to reveal a banding pattern (Option D is correct).

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Explain the differences between the three ways of heat transfer, conduction, convection, and radiation.​

Answers

Answer:

The differences between these three ways of heat transfer are that conduction is the transfer of thermal energy through direct contact, convention is the transfer of thermal energy through the movement of liquid or gas, and radiation is the transfer of thermal energy through thermal emission. As you can see, each way of heat transfer has a different way of moving through objects.

Hope this helps <3

What data did you use to answer this question?

Answers

Im sorry i dont see any question

Stomach acid has a pH of about _____. a. 4 c. 6 b. 2 d. 10

Answers

The answer is B. 2. hope this helps

What is difference between acid and bases?

Definition. A substance, mostly liquid that donates a proton or accepts an electron pair in reactions. An acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.
(just if someone needs this i guess)

Answers

Answer:

Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.

Explanation:

An acid is a substance that releases hydrogen ions into an aqueous solution. A base is a substance that releases hydroxide ions.

Acids are sour, gives burning sensation, generally sticky, reacts with metals to produce hydrogen gas. Although bases are opposite as they are bitter, generally odorless (except ammonia), they are slippery; bases react with fats and oils. In phenolphthalein, indicator acids remain colorless, and base gives pink color.

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