In bacterial synthesis of polysaccharides, such as starch and glycogen, glucose is donated to the end of the growing chain by ADP-glucose. A similar reaction occurs in bacterial branching of phospholipids when phosphatidic acid is attached to a ________.
A. dihydroxyacetone phosphate
B. fatty acyl-ATP
C. acetyl-CoA
D. cytidine diphosphate carrier
Answer: D
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The arrow in the figure below is pointing to a/an _______________ that is formed by _____________
A. beta sheet; H bonding B. beta sheet; dehydration reaction C. alpha helix; H bonding D. alpha helix; dehydration reaction E. None of the answer choices is correct.
A plant stoma is found between two ____
a. leaves b. root hairs c. xylem veins d. trichomes e. guard cells
Which type of crossover event produces no recombinant chromosomes?
A) single-strand crossover B) two-strand double crossover C) three-strand double crossover D) four-strand double crossover E) None of the above; all crossover events produce recombinant chromosomes.
It is difficult to assign a precise phenotypic definition to alcoholism because _____
a. not enough volunteers agree to participate in genome wide association studies b. alcoholism does not have environmental components c. alcoholism is an innate behavior d. genetic testing for alcoholism is not available e. excessive consumption of alcohol is subjective