A cell membrane has permeability, which means that the membrane:

Answers

Answer 1

Answer:

transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage.

Explanation:

I barley know what your trying to say


Related Questions

What would be the independent variable in the scenario... Will tap water
with salt added boil faster than plain tap water?

Answers

Answer:

salt

Explanation:

bc the water depends on the salt to change i think

which statement is correct?
electrons of a neutral atom always equal the number of protons.
neutrons always equal the number of protons.
atomic weight is identical to atomic mass.
neutrons always equal the number of electrons. ​

Answers

Answer:

B) The number of neutrons always equals the number of protons.

Explanation:

Answer:

B) The number of neutrons always equals the number of protons.

Explanation:

emilythompson35464

hope this helps srry if it doesn't tho

Describe an example of acceleration and explain how velocity is changing

Answers

If an object is slowing down, then its acceleration is in the opposite direction of its motion.In Example A, the object is moving in the positive direction (i.e., has a positive velocity) and is speeding up. When an object is speeding up, the acceleration is in the same direction as the velocity



HOPE YOU HAVE A GREATT DAYY!!!

The velocity is changing because the acceleration is present which is non-zero.

What is acceleration?

The rate of change of velocity of an object in a particular direction is known as acceleration. The acceleration is a vector quantity and its SI unit is a meter per second square. The acceleration is given as,

a = dv / dt

Where dv / dt is known as change.

According to Newton's Second Law, the amount of an element's acceleration is the joint result of two reasons:

The strength of the net resultant force, which is directly proportional to the sum of all external forces exerted on that item;Depending on the components used to create it, an object's mass is inversely related to its magnitude.

The velocity is changing because the acceleration is present which is non-zero.

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What is the function of the mitochondria?

Answers

Answer:

Powerhouse of the cell.

Explanation:

In the forest there is a population of rabbits. Which of the following TWO are BIOTIC limiting factors of the
rabbit population?
1. holes to hide in for shelter
2. amount of plants to eat
3. competition with deer eating same plants
4. amount of water to drink
PLEASE HELP

Answers

1. holes to hide in for shelter

3. competition with deer eating the same plants

Which statement explains one difference between marshes and bogs?
O Marshes are highly acidic, while bogs are not.
O Bogs look like flooded forests, while marshes contain grasses.
O Marshes can contain fresh water, while bogs contain salt water.
Marshes are areas of shallow water, while bogs are deeper areas.

Answers

Answer:

Marshes are area of shallow water, while bogs are deeper areas.

Explanation:

Marshes are around a couple inches to 3 feet while bogs can get up to 6-7 yards deep

The statement that explains Marshes is an area of shallow water, while bogs are deeper areas. The correct option is D.

What are marshes and bogs?

Marshes and swamps are wet areas where water stands for a long time. The areas become so wet and not good for walking, because the soil will drag you down, and you can drown in wet soil. March contains rich soil that give nutrient to the plants and trees.

A bog is a place called freshwater wetlands that accumulates water and mainly this place consists of rotten plants and dead decomposing material called peat. They are found in cold places like northern areas. These places are mainly made by basins and glaciers.

Thus, the correct option is D. Marshes are areas of shallow water, while bogs are deeper areas.

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Environmental scientists study ways society can use up natural resources and are not concerned with preserving them for the future.​

Answers

The answer is: Both of them are False

anyone know what this would be?​

Answers

Answer:

It would be true

Explanation:

A total solar eclipse is not viewable from everywhere on the side of Earth facing
the sun. Why not?

Answers

。*゚+.*.。 hello there +..。*゚+

the answer is down below

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Answer:

The Moon is smaller then the Sun and Earth, its shadow isn't very big. Some places on the planet get to witness this event. People who lives on the sunny side of Earth cannot see the solar eclipse. People who lives in the moon's shadow can see the solar eclipse, while other peers miss it.

★・・・・・・★・・・・・・★・・・・・・★・・・・・・★・・・・・・

i hope the answer helps you

can you give a thanks

thank you

(◕‿◕✿)

some cells take in ________________ using endocytosis .

a.Carbon dioxide
b.Waste
c.Viruses
d.Water

Answers

The answer Is A carbon Dioxide is using endcytosis
Answer is A. Carbon dioxide

Hi there please help me

Answers

Answer:

D

Explanation:

What impact does deforestation have on the carbon cycle?

Answers

Answer:

Deforestation can affect the water cycle and the carbon cycle. It will decrease the amount of transpiration. It will also increase the amount of carbon dioxide in the atmosphere by releasing the carbon dioxide as trees are burned and by decreasing photosynthesis.

Explain the meaning of excretion​

Answers

the process by which metabolic waste is eliminated from an organism.

The cycle that is critical for the formation of organic compounds is the

Answers

Answer:

Carbon cycle

Explanation:

Answer: Carbon Cycle

Explanation:Hope this helped:))

Lipids are all _____________ , which means that they won’t dissolve in water.

What goes in the blank?

Brainliesst!

Answers

Answer:

Answer: insoluble

Lipids are all insoluble in polar solvents like water but highly soluble in the non-polar or weakly polar organic solvents, including ether, chloroform, benzene, and acetone. In fact, these four solvents are often referred to as "lipid-solvents" or "fat-solvents".

Red blood cells,carrying dioxide(a waste product of cellular respiration) travel in the blood vessel to the lung; to get rid of carbon dioxide by breathing it out and pick up oxygen deliver the oxygen to all the cells in the body(to participate in cellular respiration and generate energy.

Answers

Answer:

True.

Explanation:

Red blood cells or erythrocytes carry oxygen to the cells of the body so that they can have energy and function properly. This is not the only function of red blood cells. Also, they carry dioxide, which is a waste product that needs to be out of our body. Erythrocytes carry the dioxide to the lungs, specifically to the alveoli. In the alveoli due to the inhalation, oxygen enters our body traveling up to the lungs, specifically to the alveoli, where thanks to the thin wall of it as well as the one on the capillaries that are in contact with it, the dioxide enters the lungs to be expelled in the exhalation, and the oxygen is taken by the red blood cells to be used in the cellular respiration and generate energy to keep the vital functions of our body.

Answer:

a

Explanation:

What's better chocolate or candy
btw candy is any expect chocolate

Answers

chocolate 10/10
candy is too sweet and plastic-y
chocolate is not too sweet and tastes good (dark is the best) :))

Which of the following best describes how amino acids affect the tertiary structure of a protein

Answers

Answer:

B. The interactions of the different R group with other R groups and with their environment determine the tertiary structure of the protein

Explanation:

Protein is one of the four major biomolecules in living systems. Structurally, proteins consists of four levels namely: primary, secondary, tertiary and quartenary. The primary structure constitutes the AMINO ACIDS monomer that makes up the protein.

According to this question, the tertiary structure of the protein is formed as a result of the interaction of different R groups with one another and their environment. The R group is one of the four parts of the amino acid structure which is different for all amino acids.

These R groups interact in such a way that forms different bonds such as hydrogen bonds, disulphide bridges, hydrophobic & hydrophilic interactions etc, which leads to the tertiary structure of proteins (three-dimensional shape).

Answer:

B. The interactions of the different  R -groups with other  R -groups and with their environment determine the tertiary structure of the protein.

Explanation:

What type of TV needs to use an electron gun?
1. LED
2. LCD
3. 3D
4. Cathode Ray tube

Answers

Answer:

A black-and-white TV has a single electron gun, a cathode Ray tube

Answer:

4. Cathode Ray tube

Explanation:

Plants that thrive in this type of climate are most likely adapted to which of these conditions

Answers

Answer:

Plants Adapting

Explanation:

Plants adapt to their environment from necessity. Plants may also adapt by growing lower and closer to the ground to shield themselves from wind and cold. Desert environments may have some of the following adaptations, these help the plant to conserve food, energy and water and still be able to reproduce effectively.

I can not fully answer your question because I do not know these conditions, did your teacher give a list?

Which of the following is not a factor that is required for the formation of hurricanes?
A: Very high winds in the upper atmosphere
B: Ocean temperatures of atleast 80 degrees F
C: Low winds in the upper atmosphere
D: Warm, moist air

Answers

Answer:

Either A or C

Explanation:

Answer:

Hurricanes start with warm and cool climates for them to start. The stronger the climate, the stronger the hurricane is going to be. The winds are very high, going from a category 1, where it does damage bur not a lot, to a 5, where damage is really bad in some areas. So, your correct answer is C because in the hurricane, there needs to be high winds for it it become a hurricane

Explanation:Please give Brainlyest

Proteins go to the _____ for packaging.

Answers

golgi body Proteins move from the ribosome to the ___ for packaging before distribution around the cell.

A widespread dispersal pattern of elongated bloodstains is found on a wall with a void at the point of origin. the bloodstains are less than 1-4 mm in diameter. which weapon most likely caused the blood-spatter pattern?

A. handgun
B. baseball bat
C. knife
D. shotgun

Answers

It is c knife I think

Answer:

it was a shotgun

Explanation:

i took the test

4. What is the main purpose of cellular respiration in cells? *
A. to obtain energy to use in other processes.
B. to form glucose and store energy in its chemical bonds.
C.
to produce lactic acid in animals to produce alcohol in plants
D. to create carbon dioxide in water

Answers

A . I hope you pass ur test !

A, The largest part of the leg. B, Connects muscle to bone. C, Fills space between bones. D, Connects bone to bone. E, Skeletal part of the leg.

A:

B:

C:

D:

E:

Answers

Answer:

a:muscle

b:tendon

c:cartilage

d:ligament

E:bone

Explanation:

The largest part of the leg is muscle, tendon connects muscle to bone, cartilage fills space between bones.

What are bones?

Bone is a solid bodily tissue made up of cells encased in a lot of dense intercellular substance. Collagen plus calcium phosphate, the two main components of this substance, set bone apart from other hard tissues like chitin, enamel, or shell. The individual bones that constitute the human spine or the skeletons of many other vertebrates are composed of bone tissue.

The mechanical stress of soft tissues, like the muscles contracting as well as the expansion the lungs, requires structural support from bone. Bone also protects soft tissues and organs, like the blood-forming system, and serves as a protective place for specialized tissues.

The largest part of the leg: muscle

Connects muscle to bone: tendon

Fills space between bones: cartilage

Connects bone to bone: ligament

Skeletal part of the leg: bone

Therefore, the largest part of the leg is muscle, tendon connects muscle to bone, cartilage fills space between bones.

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Knowing what you know about how a substance travels in diffusion, in
order for oxygen to leave the alveoli and enter the blood, there would be
concentration of oxygen in the alveoli compared to the
blood. *
A.higher
B.Lower

Answers

Answer:

the oxygen should be concentrated in the alveoli

Explanation:

Diffusion: The movement of molecules from a region og higher concentration to a region of lower concentration.

So when the Oxygen is concentrated in the alveoli only then it can move towards the blood

Diffusion is a passive transport system which means it doesnt need energy in the form of atp molecules

if the molecules move from a region of lower concentration to a region of higher concentration it needs atp molecules which is energy and is called active transport system

The answer should be "HIGHER."            

Which of the following is NOT a type of neuron?
multipolar
unipolar
apolar
bipolar

Answers

Answer:

i think the answer is bipolar

when describing a community a bioligist would identify every

Answers

Answer: population that lives together In an area

Explanation: took test

I need these answers before 12am tonight PLS HELP Me

Answers

Answer:

It says in the drawing guidelines you shouldn't cross labels and should be ivlnclude the magnification value. And all labels should be horizontal, and isn't followed when labelling nuclear membrane(so u can circle nuclear membrane, and write why it should be horizontally labelled)

Is the grass that grows in most lawns an annual biennial or perennial

Answers

The grass that grows on most lawns is annual biennial.

Answer:

perennial grasses

Explanation

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