In a certain population, the allele causing sickle cell anemia has an allele frequency of 0.2. If the
population is in genetic equilibrium for this allele, what fraction of the population would be carriers for
the allele?
a. 0.24
b. 0.32
c. 0.42
d. 0.48
e. 0.80
B
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A researcher is interested in comparing the DNA sequence for the gene encoding myosin between a cheetah (mammal) and a red snapper (fish). Which database would be most helpful to her?
A. GenBank B. Swiss protein database C. Protein Information Resource D. Protein Data Bank E. Swiss protein and Protein Information Resource databases
Pyruvate is converted to ethanol and lactic acid during fermentation because organisms
a. need to recycle the electron carrier molecules needed for glycolysis. b. produce ATP when pyruvate is converted to ethanol or lactic acid. c. produce glucose when pyruvate is converted to ethanol or lactic acid. d. produce oxygen when pyruvate is converted to ethanol or lactic acid. e. produce water when pyruvate is converted to ethanol or lactic acid.
About what percent of all the water moving into a
leaf is stored or used in metabolism? a. 0 b. 2 c. 10 d. 70 e. 90
The ________ continually senses and adjusts our body systems to maintain homeostasis
Fill in the blank(s) with correct word