Evidence suggests that the ________ evolved from an ancient prokaryote whose plasma membrane was infolded
a. endoplasmic reticulum and nuclear envelope
b. mitochondrion
c. ribosome
d. chloroplast
a
You might also like to view...
Humoral immunity involves ________, while ________ function in cell-mediated immunity.
A. monocytes; basophils B. B cells; T cells C. basophils; T cells D. B cells; neutrophils E. T cells; B cells
A subset of a population of birds leaves its habitat and colonizes a nearby island. After many generations, the island sinks and the population of birds living on the island returns to its original habitat. Which of the following statements most accurately describes the two bird populations?
a. The populations will be able to interbreed even though they are different species. b. The populations were sympatric while they diverged. c. The populations will not be able to interbreed because they are different species. d. The birds were separated by dispersal.
How many reduced dinucleotides would be produced with four turns of the citric acid cycle?
A) 1 FADH2 and 4 NADH B) 2 FADH2 and 8 NADH C) 4 FADH2 and 12 NADH D) 1 FAD and 4 NAD+ E) 4 FAD+ and 12 NAD+
Glycolysis and the citric acid cycle must occur ________ time(s) per glucose molecule.
A) 4 B) 3 C) 2 D) 5 E) 1