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Alex73 [517]
3 years ago
12

Why is diffusion such an efficient process for all cells?

Biology
1 answer:
kirza4 [7]3 years ago
4 0

Answer: A

Explanation: Diffusion is important to cells because it allows them to gain the useful substances they require to obtain energy and grow, and lets them get rid of waste products. This table shows examples of substances required by cell and associated waste products.

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PLZ HELP ME I NEED IT CAUSE I SUCK AT SCI!!! After a town is abandoned, the concrete parking lots remain empty and inactive for
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Answer: B

Explanation:

Would be last, wouldn’t they? That would make the most sense to me.

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Can a farmer recycle his own ammonia
Marrrta [24]

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I believe so.

Explanation:

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Hyperpolarization means that the ________. Group of answer choices membrane potential becomes more negative than the resting pot
gladu [14]

Answer:

Hyperpolarization means that the membrane potential becomes more negative than the resting potential.

Explanation:

The voltage across the membrane of a neuron that is at rest and not sending out signals is called the resting membrane potential, or just the resting potential. The concentration gradients of ions across the membrane and the amount of each type of ion that can pass through the membrane determine the resting potential. When a neuron is at rest, there are different levels of sodium and potassium on both sides of the cell membrane. Ions move down their gradients through channels. This creates a difference in charge, which gives rise to the resting potential.

When the membrane potential at a particular location on the neuron's membrane gets more negative, this phenomenon is known as hyperpolarization. Depolarization, on the other hand, occurs when the membrane potential becomes less negative (more positive). Both depolarization and hyperpolarization can take place as a result of the opening and closing of ion channels in the membrane, which changes the rate at which certain types of ions can enter or leave the cell.

<em />

<em>Your question is incomplete, but most probably your full question was </em><em>Hyperpolarization means that the membrane potential becomes  Group of answer choices </em>

<em>more negative than the resting potential </em>

<em>more positive than the resting potential</em>

Learn more abour hyperpolarization here:

brainly.com/question/12982897

#SPJ4

3 0
1 year ago
In the guppie simulation, what happens to the brightest guppies when there are large numbers of predators?
jonny [76]
In the simulation, the brightness of the guppies is directly related to how fast they are consumed by predators. This phenomenon is explained simply and reflects natural selection. The brighter guppies are at a selective disadvantage due to the ease with which predators are able to spot them. The darker colored guppies are able to avoid predator better so they live fore a longer time.
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3 years ago
Why does the body need calcium and phosphorous?
madreJ [45]

The body needs calcium and phosphorous because phosphorus works with calcium to help build bones

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3 years ago
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