Archaeal cell walls ________.
A. are disrupted by treatment with lysozyme or penicillin
B. are similar to those of Gram-negative bacteria
C. are unlike bacterial cells; they all have the same composition
D. lack murein and D-amino acids
Answer: D
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The key difference between incomplete dominance and codominance is
a. with incomplete dominance, the recessive allele cannot be detected; in codominance, the expression of the recessive allele is apparent. b. with incomplete dominance it is possible to detect the expression of a recessive allele; in codominance, both alleles contribute equally to the phenotype. c. with codominance it is possible to detect the expression of a recessive allele; in incomplete dominance, both alleles contribute equally to the phenotype. d. with incomplete dominance, it is possible to detect the expression of the dominant allele; in codominance, both alleles contribute equally to the phenotype. e. the two terms mean the same thing.
The person credited with being the co-discoverer of
evolution by natural selection was a. Alfred Wallace. b. Charles Lyell. c. Thomas Malthus. d. James Hutton. e. John Henslow.
Oxygen-poor blood circulates through
a. A. b. B. c. C. d. D. e. A, C, and E.
What is the specialized branch of mathematics that is used to compare data?
A) epidemiology B) computational mathematics C) cross-sectional mathematics D) statistics