If a pure-breeding wired-hair terrier (WW) is
crossed with a pure-breeding smooth-hair
terrier (ww), and a puppy with a wavy hair is
produced, the simplest explanation is
a. a mutation.
b. an X-linked gene.
c. an incompletely dominant gene.
d. a lethal gene.
e. codominance
C
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Efficiently translated mRNAs tend to be stable in the cytoplasm; those that are poorly translated tend tobe rapidly degraded. Which of the following is not a step in the pathway for mRNA degradation?
A. targeting of upstream ORFs for nuclease binding B. removal of the poly(A) tail C. removal of the 5' 7-meG cap D. binding of mRNA by 5'-3' and 3'-5' RNA exonucleases
A marine fish with a cold body temperature that matches its cold surroundings is an example of
A. regulating. B. conforming. C. conditioning. D. negative feedback.
The functional group at the end of a fatty acid has the following formula
A. —COOR. B. —COOH. C. —COON. D. CH2O.
Four of the following are modern apes. Which is not a modern ape?
A. Gibbon B. New World monkey C. Chimpanzee D. Gorilla E. Orangutan