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Nuetrik [128]
3 years ago
8

Moving substances from a lower concentration to a higher concentration requires _____. a. passive diffusion b. facilitated diffu

sion c. active transport d. pinocytosis
Biology
1 answer:
slavikrds [6]3 years ago
6 0
C. It requires active transport because the use of energy is necessary, the natural and opposite flow to this, would be from high to low concentration that requires little to no energy (i.e passive diffusion).
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A second action potential cannot be generated until ________.
Bingel [31]

Answer:

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Explanation:

  • Option - (a) is the best choice to choose from,
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A second action potential cannot occur until the membrane has recovered or reestablished, this is the refractory period. The absolute refractory period coincides with inactivation of voltage-gated sodium channels which makes it impossible to generate another nerve impulse.

5 0
3 years ago
Based on the information provided, what is Primate A's primary form of locomotion? a.Knuckle-walking b.Vertical clinging and lea
Tamiku [17]

Answer:

Option C

Explanation:

Please see the image attached

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Option C is correct

6 0
3 years ago
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Valentin [98]
I think it's an volcano
6 0
3 years ago
At which angle of sunlight does the least amount of heating occur?
valina [46]

Answer:

third option

Explanation:

possibly the third option at 45 degrees (half of a right angle, or like mid-morning) above the horizon the sun's rays strike Earth's surface and spread out over a larger surface area with less intensity, making these regions experience lower temperatures.

7 0
3 years ago
Which of the following is a characteristic of the Ascomycota?
nasty-shy [4]
The correct  characteristic of the Ascomycota is definitely C. Sac formation, because they produce <span>microscopic spores inside sacs. I am pretty sure that this answer will help you. Regards!</span>
4 0
3 years ago
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