All of the following processes occur in the nephron of the kidney EXCEPT __________.
a. tubular secretion
b. capsular filtration
c. blood cell formation
d. cellular respiration
e. selective reabsorption
Answer: c. blood cell formation
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Intercalating agents, such as acridine orange, are mutagens because they
A) promote transitions. B) remove amine groups. C) attach to purines causing distortions. D) add ethyl or methyl groups. E) fit between stacked bases and disrupt replication.
Which of the following must be true for a female to have hemophilia?
a. Her mother is not a carrier and her father has the disease. b. Her mother is homozygous normal and her father is a carrier. c. Her father and mother are heterozygous. d. Her mother is a carrier and her father has the disease. e. Her father is heterozygous.
Why are ATPases associated with active transport proteins?
a. They allow for the production of ATP that is needed during active transport. b. They help pump phosphate ions across the membrane to maintain the electrochemical gradient. c. They provide transport proteins with the energy needed to pump molecules against their concentration gradients. d. They are important only in symport proteins, because two are required. e. All of the above
Many of the regions of the world where hunger is prevalent are also regions with hot and dry climates. What types of agricultural crops would you suggest that these regions attempt to grow?
A) C3 plants, such as wheat and rice B) C3 plants and C4 plants, such as corn and sugarcane C) C3 plants and CAM plants, such as prickly pear and pineapple D) C4 plants and CAM plants