Which of the following brings amino acids to the ribosomes?

A) ribosomal RNA
B) transfer RNA
C) messenger RNA
D) introns
E) exons


Answer: B

Biology & Microbiology

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A filamentous organelle comprised of tubulins with a diameter of 25 nm is called

A. mycelia. B. microtubule. C. intermediate filament. D. microfilament.

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According to the Endangered Species Act, what is required when a species is identified as at-risk?

a. A management plan to protect the species must be created. b. Land must be purchased by the government to protect the species. c. A biodiversity hotspot must be established to protect the species. d. The habitat of the species must be maintained or restored.

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When substrate-level phosphorylation occurs, it means that

A. ATP is converted into ADP plus a phosphate group. B. ADP is converted into ATP by the addition of a phosphate group. C. NADH is converted into NAD+ plus a proton. D. NAD+ is converted into NADH.

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____________________ reproduction produces clones of the parent.

A. Meiotic B. Mitotic C. Eukaryotic D. Translation E. Gemmule

Biology & Microbiology