In addition to being an energy source, fats are used to make _____.
A. amino acids
B. nucleic acids
C. steroids
D. skin cells
E. carbohydrates
Answer: C
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What results after a speciation event?
A) Two species have evolved that are each different from the original species. B) One new species evolves, while the original species stays the same. C) One new species evolves, while the original species may stay the same or evolve into something different. D) One new species evolves, while the original species goes extinct.
If all of the lysosomes within a cell suddenly ruptured and released their contents, what could occur?
A) The mitochondria and chloroplasts would begin to divide. B) There would be no change in the normal function of the cell. C) The biological molecules in the cell would begin to degrade. D) The DNA within the mitochondria would begin to degrade. E) The number of proteins in the cell would begin to increase.
Which two hepatitis viruses primarily use the fecal-oral route for infection?
A) hepatitis C and hepatitis D B) hepatitis B and hepatitis D C) hepatitis D and hepatitis E D) hepatitis B and hepatitis C E) hepatitis A and hepatitis E
What would be the effect on phloem transport of a mutation in the sucrose transport protein that caused ATP to not bind efficiently?
A. There would be no effect. B. Water diffusion into the phloem would increase. C. Turgor pressure would be reduced. D. The direction of the flow of sap would be reversed.