Answer:
Because the green bacteria produced oxygen during photosynthesis, the purple bacteria had a harder time surviving.
Explanation:
Sample Answer
Answer:
include the brain and spinal cord
Explanation:
It depends where is located or how is the health of a person, animal or thing
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Answer:
Explanation:
Gene expression is a tightly regulated process that allows a cell to respond to its changing environment. It acts as both an on/off switch to control when proteins are made and also a volume control that increases or decreases the amount of proteins made.
