Your job is to determine if a steroid hormone is having an effect on its target tissue. Which of the
following would be an indication of activation of the target tissue by the hormone in question?
a. increased cyclic AMP levels
b. activation of G-proteins
c. increased levels of mRNA
d. increased calcium level in the cytoplasm
e. increased polysaccharide levels in the cytoplasm
C
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In autosomal dominant inheritance, ____
a. the trait often skips generations b. about one-fourth of the progeny in a pedigree will show the trait c. two affected individuals may have unaffected children d. males are more affected than females e. the aa phenotype will be affected
Geographically, where is net primary productivity the highest?
a. at the north pole
b. at the south pole c. between 30o and 60o d. in the Northern hemisphere e. at the equator
Most conifers are dioecious
____________________ Indicate whether the statement is true or false.
There are normally one or two cases of measles per month in a particular city. However, in the month of September, there were 15 cases. Is this an epidemic?
A. Yes B. No