Secondary protein structure is dependent on
a. hydrophobic interactions.
b. hydrogen bonds between two amino acids.
c. covalent linkages between carbons and
nitrogens of adjacent amino acids.
d. covalent linkages between carbons and
oxygens of adjacent amino acids.
e. all of these.
B
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You find a sick plant in an arid environment. After studying it, you believe it is specifically defective in C4 photosynthesis. What nutrient might this plant be lacking?
A. Copper B. Nickel C. Molybdenum D. Sulfur E. Sodium
____ are short sections of underground stem encased by overlapping layers of thickened, modified leaves called
scales. a. Stolons b. Rhizomes c. Bulbs d. Corms e. Tubers
When does treatment at the disaster scene end?
The actual transport of protons by the proton pump is mediated by a transmembrane protein that undergoes a change in its
A. immunity. B. net charge. C. amino acid sequence. D. solubility. E. conformation.