Which hemoglobin genotype has the highest fitness in an area of low malaria infection?
a. HbAA
b. HbAS
c. HbSS
d. All are equal
Answer: a. HbAA
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The inorganic non-protein components that participate in enzyme catalysis are known as
A. coenzymes. B. cofactors. C. products. D. substrates. E. reactants.
The primary determinant of blood flow to a particular region of the body during normal physiological function is
A. the radius of arterioles. B. blood hematocrit. C. the length of arterioles. D. venous return regulated by sympathetic activation. E. leakage of fluids from the capillaries.
In the 1700s, ____ classified organisms by their morphological similarities and differences, and in the 1800s, ____
provided the scientific rationale for the heritable basis of these morphological variations.
a. Mendel; Linnaeus b. Darwin; Linnaeus c. Linnaeus; Darwin d. Linnaeus; Mendel e. Mendel; Darwin
The ____ in humans is active in both the digestion of food and the absorption of nutrients
a. mouth b. liver c. pancreas d. small intestine e. stomach