Cork cambium produces ____
a. vascular tissue
b. heartwood
c. vascular cambium
d. sapwood
e. secondary epidermis
ANSWER: e
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Consider two traits for an organism, determined by two genes, each of which is governed by at least two alleles. In the case of a dihybrid individual, the gametes formed will be of either the parental type or the recombinant type. Recombinant type gametes are formed because of
a. incomplete dominance. b. independent assortment. c. heterozyogosity. d. the principle of dihybrids. e. multiple alleles.
What radical idea did Cuvier propose based on
his studies of Earth’s history?
a. extinction of species b. evolution of species c. the Earth is billions of years old d. the Earth is unchanged in its history e. more than one of these
Gram staining divides bacteria into __________
groups based on differences in the composition of their __________. a. two; DNA b. four; capsules c. two; cell walls d. four; cell walls e. two; plasma membranes
fat is created in which organelle?
What will be an ideal response?