I believe the answer is Frictional Force
Answer:
Small uncharged polar molecules, such as H2O, also can diffuse through membranes, but larger uncharged polar molecules, such as glucose, cannot. Charged molecules, such as ions, are unable to diffuse through a phospholipid bilayer regardless of size; even H+ ions cannot cross a lipid bilayer by free diffusion.
Explanation:
Answer:
your interest prefer in your subject,if teachers likes you and you can do science homework and learn so your interest is gain up..
<h2>okk...</h2>
I believe proteins would be the correct answer, but of course I just learnt this stuff 2 weeks ago. xD
D is what he probably thought but it all depends on genetics so if they did stretch out the kid would still have a short neck to it would be A
