What process is reduced first when photosynthesis
stops?
a. A
b. B
c. C
d. D
e. E
Answer: b
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Which of the following statements about bacteriophage is false?
A. Bacteriophages do not have a viral envelope. B. A temperate phage can have its DNA integrated into the host chromosome as a prophage. C. Ultraviolet radiation can cause induction. D. A prophage is replicated with the bacterial chromosome and passed to the two new daughter cells. E. Late genes are only expressed during the lysogenic cycle.
Which of the following is NOT an enzyme?
A) Lactose B) Amylase C) Catalase D) Protease E) Isomerase
Marine teleost fishes deal with the osmotic stress of living in seawater mainly by
a. active transport of ions into the body through the gills. b. excreting nitrogenous wastes through their kidneys as urea. c. active transport of ions out of the body by chloride cells. d. excreting excess salt through the actions of specialized salt glands in their heads. e. maintaining high levels of urea and trimethylamine oxide in body fluids.
Which of the following Types of Skeletons must be shed typically for an animal to grow?
A. exoskeleton B. endoskeleton C. hydrostatic skeleton D. All choices are correct. E. None of the choices are correct.