Answer:
Muscles contract rapidly to produce heat on a cold day.
Explanation:
Answer:
Cell membranes are composed primarily of fatty-acid-based lipids and proteins.
Explanation:
Atoms form new substances by sharing electrons with each other. the answer is most likely A.
Answer:
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Explanation:
G1 phase. G1 is an intermediate phase occupying the time between the end of cell division in mitosis and the beginning of DNA replication during S phase. During this time, the cell grows in preparation for DNA replication, and certain intracellular components, such as the centrosomes undergo replication.
