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biosampletest3 - MULTIPLE CHOICE Choose the one alternative...

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers  the question. 1) If cells in the process of dividing are subjected to colchicine, a drug that interferes with the  functioning of the spindle apparatus, at which stage will mitosis be arrested?  A) metaphase  B) anaphase  C) interphase  D) prophase  E) telophase  2) In yeast (Saccharomyces cerevisiae), the two sexes are called  3) Putting ripe banana with raw ones together helps the raw ones to ripe faster can be explained  by  4) From the perspective of the cell receiving the message, the second stages of cell signaling is 
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5) Which of the following is (are) true of ligand-gated ion channels?  A) They lead to changes in sodium and calcium concentrations in cells.  B) They are important in the nervous system.  C) They open or close in response to a chemical signal.  D) Only A and B are true.  E) A, B, and C are true.  6) Which of the following is s widely used second messenger in signal transduction pathways? 
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