Answer: 5 prime cap
Shortly after RNA polymerase begins to transcribe a pre-mRNA, a 5 prime cap is added.
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Answer:
Doppler Red-Shift Evidence
Explanation:
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
Answer:
c
Explanation:
catalysts are used up in a chemical reactiob
The respiratory system contains the lungs, so the answer is C. Hope this helps.
