Before leaving the nucleus, the RNA molecule
a. acquires a poly-A tail.
b. is released from the STOP signal on the
template.
c. becomes capped.
d. is stripped of its introns.
e. does all of these.
Answer: e
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Wound healing can be slowed by the presence of
A. normal microbiota. B. antiseptic ointments. C. sweat. D. foreign matter.
What benefit do root hairs provide to the plant? a. All of these choices
b. Increased nutrient absorbing ability c. Increase in surface area of the root system d. Increased water absorbing ability e. None of these choices.
Most biochemical macromolecules are polymers, which are chains of ________.
A. repeating monomers B. electrolytic molecules C. hydrogen bonds D. hydrophobic molecules E. repeating carbohydrates
All of the chemical reactions that take place within your body are known as
A. organismal structure. B. metabolism. C. irritability. D. adaptation.