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 :)
Answer:
The answer to the first question should be b.
Explanation:
Throughout your body, minerals help build bones and provide structural support. In your mouth, calcium helps harden your enamel and strengthen your jawbone. Hope this helps!
No because if your body has never experienced it before it will not no what to do and most likely the body will just send out/produce the other common antibodies or cells
<span>it's because the part of your brain that recieves information from your sensory neurons dosen't treat all the body equally.</span>
