Which functional group is most prevalent in carbohydrates?
A. Sulfhydrl
B. Amino
C. Hydroxyl
D. Phosphate
E. Benzene
Ans: C. Hydroxyl
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Which of the following is an advantage of molecular pharming?
A. Proteins are more likely to function properly when expressed in bacteria. B. Certain proteins may be degraded rapidly when expressed in mammals. C. The yield of recombinant proteins in mammalian milk is quite large. D. Post-translational modifications do not occur in mammals. E. Proteins are more stable when expressed in bacteria.
During mitotic cleavage
a. no cell division occurs and the mass does not increase. b. no cell division occurs and the mass does increase. c. cell division occurs and the mass does not increase. d. cell division occurs and the mass does increase. e. the cell is in a dormant stage.
According to data from the ENCODE project, approximately 80% of the human genome is associated with biological
function. Indicate whether the statement is true or false.
Which is a correct pairing of a biome and its characteristics?
A) temperate broadleaf forest—mild winters; scarce rainfall; predominantly dicot vegetation B) chaparral—mild, rainy winters; long, hot, but wet summers C) savanna—long, cold winters; vegetation dominated by conifers D) tundra—very cold winters; only the upper layer of the soil thaws during summer