There is no known symbiosis between a heterotrophic host and a photosynthetic partner in mammals
A. true
B. false
A
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Which most accurately describes the expression "recombinant DNA"?
a. DNA molecule cloned from a given organism b. DNA molecule that contains genetic information from more than one organism c. DNA molecule that is moved from one tube to another in a laboratory d. DNA molecule isolated from a specific organism e. DNA molecule that has been used in a laboratory for experimental purposes
A model is used by ecologists to
A) prove how nature works by demonstrating cause-and-effect relationships. B) analyze data that have been collected during an experiment. C) make predictions about how nature works using a set of explicit assumptions. D) observe how nature works in an experimental setting.
A sizable population was analyzed for SNPs in a certain DNA region. Four possible variants were found, with the following frequencies: SNP 1: GGTCTAGGA; frequency = 0.91 SNP 2: GGTGTAGGA; frequency = 0.03 SNP 3: GGTATAGGA; frequency = 0
03 SNP 4: GGTTTAGGA; frequency = 0.03 If the population is in Hardy-Weinberg equilibrium, what is the total frequency of heterozygotes at this SNP locus? A) 0.828 B) 0.009 C) 0.170 D) 0.055 E) 0.0018
The spotted brown and black coats of mountain lion cubs make it difficult for predators to find them. This is known as ________
Fill in the blank(s) with correct word