How is the carnivorous plant lifestyle suited for an existence in bogs?
A) Bogs contain many soil-based proteins, which are a good source of nitrogen.
B) The lack of nitrogen in bogs selects for the carnivorous plant lifestyle of ingesting and digesting animals for nitrogen.
C) Bogs are naturally high in nitrogen, which favors the carnivorous plant lifestyle.
D) Bogs contain rich populations of nitrogen-fixing bacteria, which provide nitrogen to the plants.
B
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What does physical mapping provide that the other types of genetic mapping do not?
A. Recombination distances between genes B. Number of nucleotide base-pairs between genes C. Relationship of the gene to specific chromosomal banding patterns
You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food A) includes proteins. B) could only be made of triglycerides. C) could only be made of carbohydrates. D) does not include proteins or nucleic acids.
How does the interpretation of the coefficient on the income to debt ratio change in the linear probability model of whether a mortgage applicant was approved for a loan or not if the outcome variable was Deniedi instead of Approvedi?
A. One coefficient will be the change in probability of being denied, while the other will be the change in probability of being approved. B. One will be a model of causality, the other will be purely about correlation. C. The coefficients will be the same, but the standard errors will change. D. It won't change.
Enterotoxins are
A. proteins. B. exotoxins. C. virulence factors. D. toxins that target the intestines. E. All of these choices are correct.