The genes that influence alcoholism are ______________
A. alcohol dehydrogenase genes D. a combination of two of these genes
B. aldehyde dehydrogenase genes E. unknown.
C. MAOA genes
E
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You have a sample of cat emesis (vomit) and find worms in the sample. The cylindrical worms are
long and slender, pointed at each end, with no other distinguishing characteristics. They are members of the phylum:A. Platyhelminthes. B. Nematoda. C. Cnidaria. D. Annelida. E. Nemertea.
An unprotected area of naturally occurring plant and animal assemblages that is surrounded by
unsuitable territory due to development or habitat destruction is referred to by biologists as: a. an island. b. ex situ conservation. c. a reserve. d. a park. e. a refuge.
Using a six-sided die, what is the probability of rolling either a 5 or a 6?
A) 1/6 × 1/6 = 1/36 B) 1/6 + 1/6 = 1/3 C) 1/6 + 1/6 = 2/3
A(n) ________ is a bacterial virus which is integrated into the host cell DNA.
A. lytic phage B. prophage C. plasmid D. transposon E. insertion phage