Molecular Biology S1 Module 1: DNA and RNA
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In a piece of double-stranded DNA, a is the number of As, c is the number of Cs, g is the number of Gs and t is the number of Ts. Which of the following must be true?
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Oligonucleotides A., B., C., and D. are sitting in a test tube at 95°C. The test tube is slowly cooled. Which of the following base-pairing reactions, if any, will happen first?
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Shown here is a 5'-UC-3' RNA dinucleotide. Which circled element is responsible for the increased chemical reactivity of RNA compared to DNA?
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A piece of double-stranded DNA has 14 base-pairs for each full turn of the helix. It is
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Shown here is an image of a human cell nucleus. From the picture you may conclude that:
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In the diagrams below, black lines indicate DNA strands, grey lines indicate RNA strands and dots indicate base-pairing, i.e. Which of the following structures breaks the rules of making a double-stranded polynucleotide? Select one:
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Shown here are different states of DNA packaging labelled from A to E. In a human cell in the S phase of the cell cycle, which set of listed phases will contain the most DNA?
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