Hydrophobic interactions are exhibited with
a. ions.
b. nonpolar molecules.
c. hydration ions.
d. polar molecules.
e. none of these.
Answer: b
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The seed coat of a pine seed
(a) is derived from the integuments. (b) is produced by the micropyle. (c) surrounds the male gametophyte. (d) is divided into the hypocotyl-root axis and epicotyl.
If a homozygous dominant long-haired dog is
crossed with a homozygous recessive shorthaired dog, what will be the phenotype of the offspring?
a. all heterozygous b. half homozygous dominant and half homozygous recessive c. all red d. half red and half white e. more than one of these
In Type-I survivorship, the young have a high probability of surviving. Indicate whether the statement is true or false
The main function of the large intestine is to
A. supply enzymes for digestion. B. remove water. C. absorb nutrients. D. produce vitamins.