Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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What defines one end of a DNA molecule as the 5’ end?
a. What defines the other end at the 3’ end?
b. When two strands of DNA are paired together to form a functional molecule, what is interesting to note about their 5’ and 3’ ends?
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- In a lab question, a student got a DNA solution that has a concentration of 243 ng/uL. The question is to use this solution to prepare a new solution that is 50 uL in volume and 50 ng DNA/uL in concentration, and tell how much volume of the original DNA solution to use, and how much water to use.arrow_forwardWhat was the contribution of Rosalind Franklin to the discovery of DNA's structure? A. X-ray diffraction images of DNA that showed that DNA had two chains twisted into a double helix with a backbone containing phosphate groups on the outside and bases on the inside B. Theoretical model of DNA's structure and the pairing of nitrogenous bases C. Discovery that in DNA the amounts of adenine and thymine were identical as were the amounts of guanine and cytosinearrow_forwardDoes all DNA have a function? Is all of the DNA in your genome, for example, part of a gene? Explain (be specific).arrow_forward
- In Watson and Crick's model of DNA structure, the two strands of the DNA double helix are joined through a. Ionic bonds b. Hydrophobic interactions c. Covalent bonds d. Disulfide bonds e. Hydrogen bondsarrow_forwardShown below is a DNA coding strand. A base (*G*) mutates to Adenine (A). What will be the resulting amino acid sequence as a result of the mutation? What type of mutation occured? Hint: Determine the template, then first determine the amino acid sequence before the mutation, and then determine the amino acid sequence after the mutation. Show how you got your answer. 5' T-A-C-T-T-C-C-A-*G*-C-C-G-C-T-C 3'arrow_forwardIf a double stranded DNA molecule is 20% thymine, what are the percentages of all other bases? 1. Adenine 2. Guanine 3. Cytosinearrow_forward
- Could single-stranded DNA form a stem-loop structure? Why orwhy not?arrow_forwardplease answerarrow_forwardWhat was the contribution of Rosalind Franklin to the discovery of DNA's structure? a.Discovery that in DNA the amounts of adenine and thymine were identical as were the amounts of guanine and cytosine b.Theoretical model of DNA's structure and the pairing of nitrogenous bases c. X-ray diffraction images of DNA that showed that DNA had two chains twisted into a double helix with a backbone containing phosphate groups on the outside and bases on the insidearrow_forward
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