Most of life's diversity is:
A. acellular.
B. aerobic.
C. microbial.
D. terrestrial.
E. aquatic.
Answer: C
You might also like to view...
Evolutionary change
A. occurs through the modification of characteristics in a preexisting population. B. may involve vertical descent with mutation. C. may involve horizontal gene transfer. D. All of these choices are correct. E. None of these choices are correct.
Pathogenic microbes that cause disease in healthy people are called ________.
A. opportunistic pathogens B. indigenous biota C. normal biota D. micropathogens E. true pathogens
An incomplete protein
A. is a partially assembled polypeptide chain. B. cannot be completely digested by your body. C. is missing one or more essential amino acids. D. has been denatured.
What cells directly stimulate the activity of other cells in the generation of an immune response?
A. T cells B. Monocytes C. B cells D. Natural killer cells E. Plasma cells