The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
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Answer:
respiration
Explanation:
The key processes in the carbon cycle are: carbon dioxide from the atmosphere is converted into plant material in the biosphere by photosynthesis. organisms in the biosphere obtain energy by respiration and so release carbon dioxide that was originally trapped by photosynthesis.
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Answer:
D, Sulfur
Explanation:
https://www.coursehero.com/file/13827102/PERIODIC-TABLE-QUESTIONSANSWERS/
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