<span>It helps scientists understand how populations and species react to changes in their environment, and this knowledge can be used to help these populations and species survive.</span>
Answer:
When both _signal molecules_ are in their receptor sites, the molecules form a dimer (two molecules joined together). ATP is converted to ADP and the _phosphate group_ gets attached to the tyrosine molecules. The addition of the _ relay proteins_ causes a cascade of cellular responses.
Explanation:
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Answer:
Cerebrum it helps you think to solve problems and its also helps you read and write, and, learn. Hope this help you :)
<span>C. serous cells and mucous cells</span>
Answer:
it spanned between 66 million years ago and 56 milion years ago
Explanation:
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