Answer: The lock-and-key mechanism is usually associated with the complementary shapes of an enzyme with a single substrate wherein the lock that is being referred to is the enzyme and the substrate is the key. One right sized substrate (key) fits into the active site (key hole) of the enzyme (lock).
Answer:
transcription used dna because the mRNA is built on the DNA template . translation used RNA replication dna
Your answer is C you were correct
Answer:
the amswer is will be about 100% C
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The answer to number two is true
