Answer the following questions true (T) or false (F)
1. Reverse transcriptase synthesizes a DNA molecule from an RNA template.
2. The goals of recombinant DNA technology include production of new organisms with useful combinations of traits.
3. Restriction enzymes are useful only on synthetic DNAs.
1. TRUE
2. TRUE
3. FALSE
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Three of the ten glycolysis enzyme reactions are not simply reversed in gluconeogenesis and require different enzymes because
A) these three glycolytic enzymes cannot catalyze the reaction in the reverse direction under any circumstances. B) these three glycolytic steps are the most highly exergonic and thermodynamically difficult to reverse. C) NAD+ needs to be generated from NADH at each of these three steps. D) all three steps require hydrolysis of ATP for gluconeogenesis. E) these three glycolytic enzymes are not present in the cells performing gluconeogenesis.
What is the role of mitochondria in plants?
A) Produce ATP B) Carry out photosynthesis C) Produce sugars D) None, as plants do not have mitochondria
Stems that grow underground and produce roots and new shoots are
A. rhizomes. B. always parasitic. C. stomata. D. tubers. E. tendrils.
The enzyme ________ is used by retroviruses to transfer information from RNA to DNA
a. RNA polymerase b. reverse transcriptase c. integrase d. helicase