Replication of DNA begins at a(n)
A. guanine-adenine rich area.
B. uracil-adenine rich area.
C. adenine-cytosine rich area.
D. adenine-thymine rich area.
E. guanine-cytosine rich area.
Answer: D
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Which of the following characteristics of the glmS riboswitch is also true of the TPP riboswitch?
A. The glmS riboswitch is a ribozyme. B. The structure of the riboswitch is the same, whether bound by ligand or not. C. The riboswitch lowers the rate of translation when bound to its metabolite ligand.
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Indicate whether the statement is true or false
Many root epidermal cells grow projections called ________, which extend from their surface and help in the absorption of water and minerals
A) rhizomes B) cilia C) root hairs D) villi E) rhizoids
Through recombinant DNA technology, many plants now can manufacture their own Bt toxin, which improves fermentation
Indicate whether the statement is true or false