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Ne4ueva [31]
3 years ago
12

This is a process by which substances are transported across cell membranes by means of protein carrier molecules

Biology
1 answer:
8_murik_8 [283]3 years ago
6 0

i think the answers is Exocytosis

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closed circulatory system

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When the brain detects high levels of carbon dioxide and low levels of oxygen, the following will occur: A. the nerves innervati
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4 Which statement best describes the graph shown?
sergey [27]

Graph attached

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3 0
3 years ago
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