Which of the following is required for the movement of a retroelement?

A. DNA polymerase
B. reverse transcriptase
C. integrase
D. reverse transcriptase and DNA polymerase
E. reverse transcriptase and integrase


E. reverse transcriptase and integrase

Biology & Microbiology

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Organic molecules have a carbon backbone and _____ such as -OH and -NH2 that affect their chemical properties

A. chemical groups B. R groups C. extension groups D. functional groups

Biology & Microbiology

In horses, black coat color is influenced by the dominant allele (B), and chestnut coat color by the

recessive allele (b). Trotting gait is due to a dominant gene (T), pacing gait to the recessive allele (t). What color horse would you use to find out the genotype of a black trotter? Give the genotype and phenotype. What will be an ideal response?

Biology & Microbiology

Which activity would be an example of an ecological study?

A) measuring monthly ocean temperature changes B) developing a medication to treat kidney failure in cats C) comparing the effects of varying water temperature on fish egg development D) calculating the age of a giant redwood tree by counting its annual rings

Biology & Microbiology

In the graph depicted below, curve A is the _____ and curve B is the _____

a) logistic growth curve; exponential growth curve b) logistic growth curve; maximum sustainable yield c) exponential growth curve; logistic growth curve d) logistic growth curve; carrying capacity e) carrying capacity; logistic growth curve

Biology & Microbiology