A(n) ____ membrane lines a body cavity that does not open to the outside and a(n) ____ membrane lines a cavity that
opens to the outside of the body.
a. serous; mucous
b. interstitial; serous
c. serous; exocrine
d. mucous; serous
e. mucous; interstitial
a
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The largest reservoir of carbon is
a. living organisms. b. oceans. c. sedimentary rocks. d. the soil.
Matching. Choose the most appropriate letter for
each. 1. ___ p + q 2. ___ species 3. ___ directional selection 4. ___ gene pool 5. ___ balanced polymorphism 6. ___ p2 7. ___ 2pq 8. ___ genetic equilibrium 9. ___ q2 A. a reference point that implies stability of gene frequencies through generations B. encompasses all of those actually or potentially interbreeding populations that are reproductively isolated from other such groups C. the genes of an entire population D. the frequency of homozygous dominants in a population E. the frequencies of dominant and recessive alleles in a population F. the frequency of heterozygotes in a population G. the frequency of homozygous recessives in a population H. HbA and HbS in regions where malaria is found I. pesticide-resistant pests
How might you choose a region of DNA for a PCR primer so as to increase the temperature necessary for primer annealing (to minimize nonspecific PCR products)?
What will be an ideal response?
When a gene has the ability to influence several different aspects of the phenotype of an organism, this is referred to as
A. polygenic inheritance. B. pleiotropy. C. multiple alleles. D. lack of dominance.