Carbon has four electrons in its valence shell. It will typically form ____ covalent bonds to fill its
valence shell.
a. one
b. two
c. four
d. six
e. eight
C
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The daughter nuclei produced by meiosis are
(a) genetically identical. (b) diploid. (c) haploid. (d) both a and b.
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
What differentiates gram-positive bacteria from gram-negative bacteria?
a. the presence of a nucleus b. the presence of ribosomes c. the composition of the cell wall d. the shape of the cells e. the method of reproduction
The vestibule contains two fluid-filled chambers, called the utricle and saccule, which are alike in that
A) they both are surrounded by cupular membranes. B) each has a gel-like substance on the inside. C) both contain ampulla. D) they are directly attached to semicircular canals. E) each lines the semicircular canals.