Which of the following is a characteristic of microRNAs (miRNAs)?
A. MicroRNAs are short RNA molecules.
B. MicroRNAs silence the expression of specific mRNAs.
C. MicroRNAs are found in plants and animals.
D. MicroRNAs are cut by an enzyme called dicer.
E. All of the choices are correct.
E. All of the choices are correct.
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About 50% of the world's commercial fish supply comes from areas of:
a. deep submarine canyons. b. atolls. c. benthic outer-edge of the continental shelf. d. upwelling. e. mid-ocean ridges.
Which federal agency oversees, regulates, and monitors the safety of biotech and pharmaceutical products and medical devices during consumer use?
A) National Institutes of Health B) U.S. Department of Agriculture C) Environmental Protection Agency D) Food and Drug Administration E) National Science Foundation
Which of the following associations of STD etiologic agent and clinical presentation is NOT correct?
A. Treponema pallidum - chancre, blindness, insanity B. Chlamydia - mild burning on urination, mucoid discharge, possible pelvic inflammatory disease C. Herpes viruses - liver infections and inflammation D. Candida - vaginal yeast infection
DNA photolyase, in the presence of visible light, can repair DNA damage due to ultraviolet radiation.
Answer the following statement true (T) or false (F)