D is your answer
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Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot.
Answer:
The answer is $8.33 per cubic yard.
Explanation:
This problem is just a normal math equation. You divide the price by how much space you are covering to get the smallest ratio(15 million divided by 1.8 million). After dividing you get the answer of $8.33 per cubic yard.
Endocytosis carry substances into the cells, and exocytosis is what the cell rejects.
Select the two terms that correctly complete this statement. Observable traits exhibited by an organism do not always indicate the exact genetic makeup of
that organism because of recessive alleles and <span>polygenic traits</span>.
