The above figure of goslings (baby geese)
following their mother demonstrates
a. imprinting behavior.
b. displaying instinctive behavior.
c. feeding a social parasite.
d. a learned behavior.
e. all of these
A
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Glycolysis is a metabolic process that is done by all cells. However, not all cells make use of another metabolic process called the Krebs cycle. What does this tell you about the evolution of these processes?
A. As a metabolic process, glycolysis likely evolved prior to the Krebs cycle B. As a metabolic process, the Krebs cycle likely evolved prior to glycolysis C. Both the Krebs cycle and glycolysis likely evolved at the same time
The immediate stimulus for the release of milk from
the female breast is the a. culmination of the maternal instinct. b. excessive accumulation of milk. c. mechanical stimulation of the breast by sucking. d. time of day. e. interaction of hormones.
Which statement about cancer defense is FALSE?
a. Natural killer and T cytotoxic cells destroy cancer cells. b. Cancer antigens stimulate a strong immune response. c. Monoclonal antibodies can deliver toxic drugs to cancer cells.
d. T cells produce interleukins, which defend against cancer. e. Macrophages produce tumor necrosis factor, which inhibits tumor growth.
What do the production of wine, beer, yogurt, and sauerkraut all have in common?
A. Microorganisms grow in each of these foods producing acids which are responsible for the flavors. B. All of these products are made by microbial fermentation of natural sugars in the food starting material. C. All of these products are the result of yeast acting on natural sugars in the food starting material. D. All of these choices are correct.