The ability of retroviruses to induce tumors is related to which enzyme?

a) Reverse transcriptase
b) RNA polymerase
c) DNA polymerase
d) Protease


Ans: a) Reverse transcriptase

Biology & Microbiology

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As the average age of the population increases, the incidence of Alzheimer's disease is also expected to increase

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Based on this information, is herbicide resistance an adaptation in this population?

a. Because it gives organisms an advantage in terms of survival and reproduction when herbicides are sprayed, it would be considered an adaptation. b. Because plants that don’t have herbicide resistance produce more offspring, it would not be considered an adaptation. c. Selection pressures vary with the environment, so this trait would be considered an adaptation in certain environments. d. Because this trait is only advantageous in certain environments, it would not be considered an adaptation

Biology & Microbiology

The buttery, edible flesh that encloses the large seed of an avocado is tissue of the ____

a. microspore b. ovule c. ovary d. cotyledon e. pollen

Biology & Microbiology

Four of the five substances listed below are related

by a common chemical similarity. Select the exception. a. amylose b. maltose c. sucrose d. lactose e. all these are disaccharides

Biology & Microbiology