Which of the following is a product of recombinant DNA technology?
A) rice that produces vitamin C
B) bacteria that produce insulin
C) yeast that produces alcohol
D) bacteria that produce acetone
E) microbes that digest cellulose
B
Bloom's Taxonomy: Application
Section: Applications of Recombinant DNA Technology
Learning Outcome: 8.20
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RNA molecules that also act as enzymes are given the name
A. ribozymes B. cofactors C. coenzymes D. allosteric enzymes
Would antibodies produced by a patient in response to infection be monoclonal, or polyclonal?
monoclonal. B. Since a single pathogen has multiple antigens, and each antigen has multiple epitopes, the responding antibodies to a whole pathogen would be polyclonal. C. Since the pathogen would most likely mutate slightly during the infection (producing different epitopes), the responding antibodies would be polyclonal. D. Since the pathogen would acquire and modify self-antigens during the infectious process, the antibodies produced during the response would be polyclonal.
Elongated photosynthetic cells attached to the upper epidermis in leaves are called ________
a. pericycle b. epidermal cells c. palisade mesophyll d. spongy mesophyll
In which of the following excretory tubule segments in mammals does about 65 percent of the water
from the filtrate get reabsorbed?
a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle