The scales or outer layer of an artichoke are called bracts
Answer: Base pairs occur when nitrogenous bases make hydrogen bonds with each other.
Explanation: Each base has a specific partner: guanine with cytosine, adenine with thymine (in DNA), The hydrogen bonds are weak allowing it to "unzip"
Except for the evolution of new diseases, because that’s bad, and it stops us I think, not sure though.
Answer:
700
Explanation:
google
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A large number of living organisms obtain energy by cellular respiration
