Most kinases phosphorylate which amino acid resides?
a. tyrosine, leucine
b. serine, threonine
c. glutamine, leucine
d. threonine, asparagine
Ans: b. serine, threonine
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The two amino acids in the accompanying figure both have side groups (R groups) that are ____
a. acidic and polar b. uncharged and nonpolar c. basic and polar d. acidic and nonpolar e. uncharged and polar
Release of acetylcholine by postganglionic cells will
A. Increase HR B. Dilate bronchioles C. Increase digestion D. Increase HR and dilate bronchioles E. Dilate bronchioles and increase digestion
How are fleas transmitted between hosts?
A) via direct transmission B) via an intermediate vector C) through multiple hosts D) via water
Do the protein-coding parts of organelle genes more closely resemble those of Bacteria (Eubacteria) or Archaea?
What will be an ideal response?