Answer:I believe B:The Phosphate Group
Explanation:
Answer:
Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.
the answer is vascular seed forming plants and can I get brainliest
Reaction. I hope this helped have a great day.
Organ systems are made up of tissues which are made up of cells.
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