Electrons are shared in bonds that are
a. covalent.
b. polar.
c. nonpolar.
d. covalent, polar, or nonpolar.
e. covalent, but not polar or nonpolar.
Answer: d
You might also like to view...
In the semi-conservative model of replication, what percent of the parental DNA (generation 0) remains in generation 4?
a. 25% b. 50% c. 100% d. 12.5%
Blood is classified into different types based on the presence or absence of certain ________ on the surface of a person's red blood cells.
A) MHC molecules B) HLA molecules C) antibodies D) antigens E) IL-2 molecules
In birds and reptiles, the allantois stores nitrogenous wastes. Indicate whether the statement is true or false
Bony fishes possess two features not found in other fish. Select the best choice from those listed below to complete the following sentence. Bony fishes have
A. swim bladders and gill covers called opercula. B. swim bladders and a closed circulatory system. C. swim bladders and a complete digestive system. D. swim bladders and movable jaws.