Recombinant DNA-based products are slow to reach the marketplace because of

A) the adverse effects of gene cloning.

B) the lack of technological advances in gene cloning.

C) the lack of safety involved in such methods.

D) the cost and duration of research.


D) the cost and duration of research.

Biology & Microbiology

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In S. pyogenes, which of the following interferes with phagocytosis?

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Mutations of the tumor-suppressor gene ____________________ are pivotal in formation of many

cancers. Fill in the blank(s) with the appropriate word(s).

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Which of the following best describes the chemical equation for photosynthesis?

A) Carbon dioxide + Sugar + Energy = Oxygen + Water B) Oxygen + Water + Carbon dioxide = Sugar + Energy C) Water + Carbon dioxide + Energy = Sugar + Oxygen D) Oxygen + Sugar = Water + Carbon dioxide + Energy

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Which of the following are incorrectly matched?

A. gene C stamen formation, whorl 3 B. gene A, sepal formation, whorl 1 C. gene E petal formation, whorl 2 D. gene B, petal formation, whorl 2 E. gene B carpel formation, whorl 4

Biology & Microbiology