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Ganezh [65]
2 years ago
8

HELP!!!!!!!!!!!!!!!!!!!!ASAP!!!!!!!!!!!!!!!

Biology
1 answer:
Natalka [10]2 years ago
7 0
An electron transport chain (ETC) is a series of complexes that transfer electrons from electrondonors to electron acceptors via redox (both reduction and oxidation occurring simultaneously) reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.
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3 years ago
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Ymorist [56]
This is false. The Enzymes are proteins that speed up the rate of chemical reactions in the cell without requiring high temperature. Antibodies are proteins which react to alien or unknown organisms that enter our body like bacteria and viruses.

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3 years ago
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3 years ago
1. During a heart attack, some of the cells in the thick layer of muscle in the heart walls die. This layer of muscle is called
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