In chromatin remodeling, acetyl groups are added to
A) mRNA.
B) the DNA sense strand.
C) the amino acid lysine.
D) microRNAs.
C) the amino acid lysine.
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Foods that have been altered due to the carefully controlled growth of microorganisms are called
A. cooked. B. controlled. C. preserved. D. fermented
What type of fertilization occurs during sexual reproduction in rotifers?
a. internal b. external
On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords? Linnaeus would have _____
A) placed them all in the same species. B) classified them the same way that modern botanists do. C) placed more of them in different genera than modern botanists do. D) used evolutionary relatedness as the primary criterion for their classification.
When submerged, frogs receive most of their O2 from capillaries within the skin. What structure would contain blood with the highest O2 concentration in a submerged frog, which is not able to breathe using its lungs?
A. Left atrium B. Right atrium C. Pulmonary vein D. Aorta E. Ventricle