Answer:
Acquired (or somatic) mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division.
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Answer:
In the second picture, the answer is A to attach to a host cell.
In the third, the fourth and the fifth the answer is D.
Explanation:
Answer:
RNA polymerase binds to a promoter sequence near the beginning of a gene directly or through helper proteins. RNA polymerase uses one of the DNA strands the template strand as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.
Explanation:
