Acid-fast organisms such as Mycobacterium tuberculosis contain ________ constructed from mycolic acids in their cell walls.
A. proteins
B. peptidoglycan
C. carbohydrates
D. lipids
Answer: D
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Linkage disequilibrium is the tendency for
A. be totally randomized during meiosis. B. be non-randomly associated during meiosis. C. to be rearranged during meiosis because of crossing over. D. link together within certain blocks along the chromosome. E. be so randomized that mapping becomes an issue for gene sequencing.
The genetic information in viruses
A. is always DNA. B. is always RNA. C. is found in the nucleus of the virus. D. can be replicated outside of a cell. E. is either DNA or RNA.
As population size (N) increases, the per capita
A) birthrate and death rate increase. B) birthrate increases and death rate decreases. C) birthrate decreases and death rate increases. D) birthrate and death rate decrease.
?
A. stamen B. carpel C. filament D. Site of pollen production E. Sticky landing pad for pollen grains F. Pollen tube extends inside this structure G. ovary H. Main function is to attract pollinators I. sepal J. receptacle K. Structure that develops into a seed