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Exam__1 - 1362 Spring 07 Exam 1 YELLOW VERSION 1 Which of...

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Page 1 1362 Spring 07 Exam 1 YELLOW VERSION 1. Which of the following is not correct concerning interphase? A) A functioning cell that has not received a stimulus to divide spends its time in G1 and may go into G0. B) DNA synthesis is completed prior to the start of G2. C) In a tissue, the presence of numerous cells in interphase indicates that this tissue is actively undergoing cell division. D) The chromatin of an interphase nucleus is not discernable under the microscope since it is partially uncoiled in multiple regions rather than a visible, highly condensed form. E) The G1 nucleus has half the amount of DNA as a G2 nucleus. Ans: C 2. In comparing mitosis and meiosis II, which of the following is a true statement? 3. How many different gamete genotypes would be formed from an individual with the genotype AaBbCCdd ? Use the following to answer questions 4-5: The gametes of a frog have 13 chromosomes. Answer the questions that follow with one of these numerical responses: 4. How many chromatids are present in a cell during metaphase? Ans: B 5. How many tetrads are there in a cell during Prophase I? Ans: C 6. Which of the following statements in A-C is true concerning tRNA, codons & anticodons? A) There is only one codon for each amino acid. B) Only "charged" tRNA molecules would be of use in contributing an amino acid to the growing polypeptide chain during protein synthesis. C) Codons are associated with tRNA's, anticodons with mRNA's. D) None of A-C are true statements. E) A-C are all true statements. Ans: B 7. Which statement below is false ?
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