quiz 4 - 1) DNA consists of two antiparallel polynucleotide...

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1) DNA consists of two antiparallel polynucleotide chains with lipid-phosphate backbone. T, F 2) Bases in the DNA are brought together by hydrogen bonds. Which of the following is true: a. T and A bases are connected together by two H-bonds. b. T and C bases are connected together by two H-bonds. c. T and A bases are connected together by three H-bonds. d. T and C bases are connected together by three H-bonds. 3) The polynucleotide strands in the DNA are polar strands, where the 3’-end carries free phosphate group and the 5’-end carries free OH group. T, F . 4) Interphase is a stage of the cell cycle, in which: a. Genes are expressed b. Chromosomes are replicated. c. Mitotic spindles are formed. d. A and B e. B and C 5) Chromosomes become denser in the mitotic stage than in interphase stage. T, F . 6) The enzyme that digest DNA is called: a. Nucleotidase b. Nuclease c. Phosphodiesterase d. All of the above 7) Chromosomes consist of: a. DNA and histones b. DNA and chromatin c. DNA and nonhistone proteins
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quiz 4 - 1) DNA consists of two antiparallel polynucleotide...

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