Hemophilia A is an example of a(n) _____ disease and is characterized by a lack of blood-clotting factor ____
a. X-linked; VIII
b. sex-linked recessive; V
c. autosomal dominant; VIII
d. sex-linked dominant; V
e. autosomal recessive; VIII
a
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Which one of the following is the least likely reason that bipedalism evolved in hominoids?
A. requires less energy than walking with all four legs B. frees the hands for tool-making C. frees the hands for carrying food to be shared with others D. allows better surveillance for predators E. increases access to food resources
The scientific name of an organism is composed of two names. The first part identifies the ____ while
the second part designates the ____.
a. genus; species b. species; genus c. genera; genus d. phylum; species e. family; genus
An HIV-positive patient should be treated with a wide array of drugs because
A. s/he is susceptible to a variety of opportunistic infections and AIDS-defining illnesses. B. the sooner s/he is treated with antivirals, the more likely it is that the virus will be eliminated from their blood. C. multiple antibiotics and antivirals should kill HIV and any resistant strains that might arise. D. most HIV-positive patients are also intravenous drug users and require chemotherapy for their addiction.
Prokaryotes have their genetic information stored in:
a. several small, circular pieces of DNA. b. a single, small, circular piece of DNA. c. a large, linear piece of DNA. d. several small, linear pieces of DNA. e. a large, circular piece of DNA.