Answer:
proteins
Explanation:
proteins embedded in the cellular membrane act as ushers. They help carry nutrients from bloodstream into cell. Glucose,amino acids,fats,and vitimans use carrier proteins to get inside cells.
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<span>What are the main organs of the CNS ?
<span>The central nervous system (CNS) is the part of the nervous system that includes the brain and spinal cord.</span></span>
