Chromatids separate and move toward opposite poles during 

A. mitosis only.
B. meiosis I and meiosis II.
C. mitosis and meiosis II.
D. mitosis, and meiosis I and meiosis II.


C. mitosis and meiosis II.

Biology & Microbiology

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A more recently developed cancer treatment is

A) stimulating telomerase activity. B) stimulating cells to return to a stem-like state of specialization. C) inhibiting kinases based on genetic information. D) replacing the nuclei in cancer cells.

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The first response in adaptive immunity is

a. the production of white blood cells. b. the production of complement. c. the production of interferon. d. inflammation. e. wound healing.

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Fermentation is a more efficient form of energy production than aerobic respiration. 

Answer the following statement true (T) or false (F)

Biology & Microbiology

Which of the following is CORRECT about bacterial ribosomes?

A. They have two subunits and contain three RNA molecules. B. They are a single complex without subunits, and contain three RNA molecules. C. They have three subunits each containing an RNA molecule. D. They have two subunits, the smaller one composed of protein only, and the larger one composed of RNA only. E. They are a single complex containing one large RNA molecules and several proteins.

Biology & Microbiology