Evolution can be used to explain all of the following except:
A) constant change in populations of organisms.
B) the appearance of antibiotic-resistant strains of bacteria.
C) the separate creation of each species.
D) common characteristics of related species.
Answer: C
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Which of the following is NOT an example of a mechanoreceptor?
A. Meissner's corpuscles B. Ruffini endings C. Merkel cells D. red corpuscles E. Pacinian corpuscles
Which of the following statements is false?
a. All the cells of a human have the same genes. b. Only red blood cells have hemoglobin genes. c. Different genes are activated depending on the cell they are in. d. Liver cells and brain cells differ mostly in form and function, not in the genes they have. e. Cells don’t express all of their genes all of the time.
New alleles that appear by mutation
a. are inherently disadvantageous to their bearers. b. are seldom advantageous or disadvantageous in themselves. c. either have or lack survival value only in the context of their environment. d. are seldom advantageous or disadvantageous in themselves and either have or lack survival value only in the context of their environment. e. are inherently disadvantageous to their bearers and are seldom advantageous or disadvantageous in themselves.
Which of the following parts of the vertebrate brain is most closely associated with motor (muscular) coordination?
a. The hypothalamus b. The medulla oblongata c. The pineal body d. The thalamus e. The cerebellum