DNA contains two identical polynucleotide chains
a. True
b. False
False
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Which of the following statements about con transport of solutes across a membrane is correct?
a. cotransport proteins allow a single ATP-powered pump to drive the active transport of many different solutes b. in cotransport, both solutes that are being transported are moving down their chemical gradients c. The sodium-potassium pump is an example of a cotransport protein d. cotransport involves the hydrolysis of ATP by the transporting protein e. a cotransport protein is most c
____ describes the process whereby a phagocyte, in response to cytokines secreted by dendritic (or other) cells, exits a blood vessel and moves into an infected region of tissue
Fill in the blank with the appropriate word.
Which of the following statements about malaria is false?
A. Fertilization occurs within a mosquito. B. Merozoites are found inside red blood cells. C. Gametocytes develop from merozoites. D. Sporozoites are only found within a mosquito. E. Gametocytes are passed to a feeding mosquito.
A tall plant is crossed with a short plant, and the progeny are all intermediate in size between the two parental plantsIf the intermediate F1 progeny were allowed to self-pollinate, and the F2 progeny were also intermediate in size, but following a normal distribution, this would suggest
A) incomplete dominance. B) polygenic inheritance. C) complete dominance. D) a strong environmental influence. E) codominance..