During the inventory of bacterial genes present in the Sargasso Sea in the middle of the Atlantic Ocean, a research team concluded that at least 1800 bacterial species were discovered
Based on what you know about this area, what would you expect to see in coral reef waters?
A) slightly greater genetic diversity
B) slightly smaller genetic diversity
C) equal genetic diversity
D) markedly greater genetic diversity
E) markedly smaller genetic diversity
Answer: D
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Which of the following statements concerning
production of bryophyte reproductive cells is true? a. Spores and gametes are produced by meiosis. b. Spores and gametes are produced by mitosis. c. Spores are produced by meiosis, whereas gametes are produced by mitosis. d. Spores are produced by mitosis, whereas gametes are produced by meiosis. e. Spores and gametes are both used for sexual reproduction.
You spot your friend Enrique and yell to get his attention, but he can't hear you. As you get closer to him, you clearly hear loud music coming from his headphones. What should you warn him about?
What will be an ideal response?
Most genetic diseases result from mutations that cause a gene to produce a non-functioning _____, which in turn blocks the functioning of a metabolic pathway
a) histone b) polysaccharide c) t-RNA d) enzyme e) codon
The method in which a measured volume of bacterial suspension is placed within a defined area on a microscope slide is called the
A. direct microscope count. B. pour plate method. C. spread plate method. D. most probable number method