Answer:
The amount of ⛅ sunlight .
Explanation:
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Answer:
Microtubules, like actin filaments, are dynamic structures: they can grow and shrink quickly by the addition or removal of tubulin proteins. Also similar to actin filaments, microtubules have directionality, meaning that they have two ends that are structurally different from one another. I hope this helps :)
The answer should be C. many different
Hydrogen
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