In which vessels would blood pressure be measured the highest?
a. capillaries
b. arteries
c. veins
d. venules
e. arterioles
ANSWER: b
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The role of nutrition in the improvement of spina bifida is an example of a _____ effect
A. cumulative B. polygenic C. epigenetic D. penetrative E. phenotypic
Which of the following does not provide molecular evidence for evolution?
A) The 1,000-fold differences in nonsynonymous substitutions between some genes B) The existence of pseudogenes C) The fact that high-expression genes use amino acids that are less energetically costly than those used by low-expression genes D) The fact that there is a lower rate of nucleotide substitutions in coding regions than in noncoding regions of genes E) All these are molecular evidence for evolution
Which event occurs during the luteal phase of the menstrual cycle?
A. The corpus luteum forms. B. A zona pellucida forms around the oocyte. C. An oocyte completes meiosis I. D. Estrogen levels increase. E. Testosterone levels increase.
As world travel becomes easier and human populations intermix, the occurrence of what phenomenon will probably decrease?
A) sexual selection B) founder effect and genetic drift C) immigration D) mutation Refer to the scenario below, and then answer the following question(s). Two European men and two Polynesian women settled on a previously uninhabited tropical island. All four of the settlers have brown eyes, a dominant trait, but one of the Europeans is heterozygous and carries the recessive gene for blue eyes.