A karyotype is produced by inducing cells to divide in culture, and then treating them with a molecule that arrests

A. interphase.
B. anaphase.
C. prophase.
D. metaphase.
E. telophase.


D. metaphase.

Biology & Microbiology

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Which of the following organisms possesses a brain?

A. squid B. flatworm C. earthworm D. both squid and earthworm

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Nasopharyngeal swab is:

a. acceptable. b. not acceptable.

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Which of the following is true for exergonic reactions?

a. A net input of energy is necessary for the reaction to proceed. b. The products have less free energy than the reactants. c. The products have more free energy than the reactants. d. The reactants will always be completely converted to products. e. The entropy of the system is reduced.

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Which muscle is involved in shrugging your shoulders?

a. serratus anterior b. external oblique c. rectus abdominis d. latissimus dorsi e. trapezius

Biology & Microbiology