A pine tree is
(a) a sporophyte.
(b) a gametophyte.
(c) diploid.
(d) both a and c.
(d) both a and c.
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Sulfur-oxidizing bacteria obtain ATP via ________ by using a variety of reduced, inorganic sulfur compounds as energy and electron sources and ________ as an electron acceptor.
What will be an ideal response?
In the Hardy-Weinberg equation, p + q =_______, where p and q represent _________.
A. 0, allele frequencies B. 1, genotype frequencies C. 2, allele frequencies D. 2, genotype frequencies E. 1, allele frequencies
The energy used to generate most of the ATP formed in aerobic respiration is released when electrons
ultimately are passed from NADH to which of the following? a. oxygen b. acetyl-CoA c. FADH d. CO2 e. NADPH
The waterproof strip that is found in the cell walls of the endodermis is the
A. vascular cambium B. vascular cylinder C. casparian strip D. cortex