In ____ bonds, both atoms exert the same pull on shared electrons
a. triple covalent
b. polar covalent
c. double covalent
d. nonpolar covalent
e. coordinate covalent
ANSWER: d
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A gemma is a(n) sexual reproductive structure produced by certain liverworts
____________________ Indicate whether the statement is true or false.
When salt is dissolved in water, water is the
a) reactant b) solution c) solute d) solvent
In the phalarope, or wadepiper bird, the male is unusual in playing the larger parenting role -- he performs all the egg incubation and chick care. What unusual behavior might you predict for the female of the species?
A. The females compete to mate with the males, who choose among them. B. The female provides sperm to fertilize the male's eggs. C. The females have dull, brown coloring that keeps them well-camouflaged. D. The female is part of a large harem of females, under the domain of a single male.
You examine the chromosomes from a somatic cell nucleus of a human individual. That nucleus contains a Y chromosome and a Barr body. Which of the following is ACCURATE?
A. The individual has Klinefelter Syndrome. B. The individual is a male with Klinefelter Syndrome. C. The individual is a female with Klinefelter Syndrome. D. The individual is a male because there is a Y chromosome. E. The individual is a female because there is a Barr body.