A _______ allele encodes a protein that is made in the proper amount and functions normally
A. loss-of-function
B. mutant
C. wild-type
D. gain-of-function
E. lethal
C
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Like ____, phosphorus can only be taken up by
plants in ____. a. carbon; ionized form b. nitrogen; compounds c. nitrogen; ionized form d. hydrogen; ionized form e. carbon; compounds
In an inflammatory response, the direct effect of histamine is to _______________
A. dilate blood vessels causing increased blood flow to the area of infection B. decrease heat accumulation in the area of infection C. directly kill bacteria D. attack cytotoxic T cells E. cause B cells to release antibodies
Which of the following events concerning a response to a stimulus comes first?
a. transmission b. reception c. action by effectors d. involvement of the brain and spinal cord e. integration
A line transect would probably be the preferred method to quantify the population density of
A. lions. B. blackbirds. C. swallowtail butterflies. D. clown fish. E. Ponderosa pines.