Questions 45–48 refer to the figure above
E 45. The figure represents
a. an exergonic reaction.
b. a metabolic pathway.
c. allosteric inhibition.
d. allosteric activation.
e. all of these.
Answer: d
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What is true of eudicots but not monocots?
A. Eudicots have flower parts usually in multiples of 4 or 5. B. Eudicots have true seed leaves but monocots do not. C. Eudicots have vascular bundles scattered in their stems. D. Eudicots have venation that is parallel to the leaf axis. E. Eudicots have stomatal pores but monocots do not.
Hemophilia results from a deficiency in
A. platelets, and results in normal bleeding. B. fibrin, and results in abnormal bleeding. C. plasma, and results in abnormal bleeding. D. collagen, and results in normal bleeding. E. clotting factor VIII, and results in abnormal bleeding.
An individual who responds to walking into an obstruction by pushing into it harder is exhibiting
a. negative phototaxis. b. positive geotaxis. c. negative thigmotaxis. d. positive thigmotaxis.
Which statement about gene therapy is false?
A) It has been used to treat some genetic disorders, such as severe combined immunodeficiency disease (SCID). B) It works to treat diseases by inserting a functional gene into an individual's cells to replace a defective version. C) It is performed on cells of the body, which ensures that a defective gene cannot be passed on to offspring. D) It may cause difficulty regulating gene expression. E) It is not totally effective because there are difficulties getting the functional gene into the target cells.