Answer:
Cell membranes serve as barriers and gatekeepers. ... Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly. On the other hand, cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids.
Explanation:
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Answer:
to see blood or to see fingerprints or footprints
Explanation:
if this helps could you please give brainliest
Long term I think because it takes a while for forest to be filled again
the answer would be d. a start base triplet
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