Four of the five substances listed below are secreted
by an exocrine gland. Select the exception.
a. wax
b. saliva
c. hormone
d. milk
e. mucus
Answer: c
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Genomic imprinting occurs when one allele converts another
Indicate whether the statement is true or false
Microbial diversity is thought of in terms of phylogenetic diversity and functional diversity because
A) similar functional traits are often found in divergent phylogenetic groups. B) phylogenetic diversity dictates functional diversity in microbes. C) functional diversity only pertains to functions that are not phylogenetic. D) similar phylogenetic groups almost always have similar functional traits.
The inflammatory cytokines IL-1, IL-6, and TNF-? are also
A) opsonizing agents that coat foreign cells. B) activating cytokines that stimulate Th1 cells to replicate. C) capable of producing systemic fever by stimulating the release of prostaglandins in the brain. D) part of the complement system that results in the destruction of foreign cells.
Under which condition would you expect essentially no transpiration to occur?
a. brisk winds b. 100 percent relative humidity c. no winds d. 1 percent relative humidity e. hot air temperature and no winds