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Evgesh-ka [11]
3 years ago
5

WILL MARK BRAINLIEST

Biology
1 answer:
Rashid [163]3 years ago
4 0
In both processes sister chromatids are pulled apart, as can be seen by the image at anaphase.

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If Earth didn't rotate, what would be one major obstacle life would have to<br> overcome?
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A major obstacle life would have to overcome is having only a limited amount of natural light and then the rest of the time is darkness.

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Explain how human activity can impact the limiting factors of river ecosystems.
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The probability of flipping a coin twice and getting heads is_______
Free_Kalibri [48]
50/50
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6 0
3 years ago
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The action potential spreads through an axon by Group of answer choices depolarizing adjacent membrane to threshold, triggering
Step2247 [10]

The action potential spreads through an axon by depolarizing adjacent membrane to threshold.

  • K+ departs the cell after Na+, which enters the cell first. Ions can move freely across the axon membrane because of the difference during the action potential.
  • Because sodium contains a positive charge, the neuron becomes more positive and depolarized. Potassium channels take longer to open. As soon as the cell does open, K+ rushes out, reversing the depolarization known as repolarization.
  • Sodium channels close during the peak of the action potential when potassium leaves the cell. When potassium ions are effluxed, the membrane potential is lowered or the cell becomes hyperpolarized.
  • Outside of the cell, the concentration of Na+ is greater than inside the cell. while the concentration of K+ is  is greater inside the cell than outside.

learn more about action potential here: brainly.com/question/6705448

#SPJ4

4 0
2 years ago
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There are approximately five main climate types on Earth:

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