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 :)
A) The earth spins
The Earth is constantly spinning, or "rotating", which causes day and night
Answer:
a budget is like a spending limit put to prevent buying too much on wants and not enough on needs. You could track your budget by making like a reminder or like make your personal voice assistant keep track of how much money your spending daily, weekly, monthly or etc.
Explanation:
Answer:
false
Explanation:
a hormone is not an organ that secretes chemical substances into the bloodstream, hence your answer is false
hope that helps! :)
