Which of the following statements about hormone effects on behavior is not accurate?
A. Hormones are secreted into the circulation
and thus have wide-ranging targets.
B. Hormones can affect multiple cells in the
target simultaneously.
C. Compared to hormone action, neurons are
much less specific in their actions.
D. Target tissues must have receptors for a
particular hormone in order for a response to
be elicited.
E. Hormone-mediated responses may be
different between the sexes.
C
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A gene for sweat gland production is found on the X chromosome. If a man who lacks sweat glands marries a woman who has normal sweat glands, what will be the phenotype of their children?
A. All of the boys will lack sweat glands. B. All of the girls will lack sweat glands. C. The girls will have sweat glands in some areas, but lack sweat glands in others. D. All of the boys will have sweat glands. E. All the boys will have sweat glands, and the girls will have sweat glands in some areas but not others.
Imprinting affects the phenotype when
A) both alleles of a gene are imprinted. B) both alleles of a gene are inactivated or deleted. C) one allele is imprinted and the other is inactivated or deleted. D) an embryo arises from two female genomes or two male genomes.
The enzyme responsible for separating the DNA strands during DNA replication is (topoisomerase/primase/helicase)
What will be an ideal response?
The sugar in DNA is deoxyribose while the sugar in RNA is ribose.
Answer the following statement true (T) or false (F)