Which series of letters lists the first four steps of the scientific method (see question 5) in the correct order?
a. a, b, c, d.
b. a, b, d, c.
c. c, a, b, d.
d. d, c, a, b.
b
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The FoF1 synthesis of ATP depends on delivery of electrons carried by NADH and FADH2 to electron transport systems in the inner mitochondrial membrane in eukaryotic cells or in the plasma membrane of prokaryotic cells
What is the maximum number of ATPs generated for the following? a. one molecule of FADH2 produced during the citric acid cycle b. one molecule of NADH produced during the citric acid cycle c. one molecule of NADH produced by glycolysis in a muscle cell that uses the mitochondrial glycerol phosphate shuttle d. one molecule of NADH produced by glycolysis in a liver cell using the mitochondrial malate-aspartate shuttle e. one molecule of FADH2 produced during the citric acid cycle in a prokaryotic cell f. one molecule of NADH produced by glycolysis in a prokaryotic cell
The process in which the mRNA, tRNA, and ribosomal subunits come together during translation is called ________
A) initiation B) elongation C) termination D) deletion
Why might the cricket genome have eleven times as many base pairs as that of Drosophila melanogaster?
A) Crickets have higher gene density. B) Drosophila are more complex organisms. C) Crickets must have more noncoding DNA. D) Crickets must make many more proteins.
Which of the following is not considered an intrinsic isolating mechanism?
A) sterile offspring B) ecological isolation C) geographic isolation D) gametic incompatibility E) timing of courtship display