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:
b is the correct answer. hope this helps
Answer:
The heart is either superior to the urinary bladder or midline, but I’d go with superior.
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Answer:
False. They are not considered a population.
