CAMPBELL'S BIOLOGY MASTERING BIOLOGY
12th Edition
ISBN: 9780135855843
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 5TYU
Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join
(A) The two strands of the double helix would separate.
(B) The phosphodiester linkages of the polynucleotide backbone would be broken.
(C) The pyrimidines would be separated from the deoxyribose sugars.
(D) All bases would be separated from the deoxyribose sugars.
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(1) Which end (5' or 3') of the molecule is here?
(2) Which enzyme is probably functioning here to deal with supercoils in the DNA?
(3) Which enzyme is probably functioning here to unwind the DNA?
(4) Which nucleic acid is probably depicted here?
(5) What are these short DNA fragments usually called?
(6) Which enzyme probably functions here to couple these two newly synthesized fragments of DNA?
(7) Is this strand the leading or lagging strand?
(8) Which end (5' or 3') of the molecule is here?
When DNA is heated sufficiently, the strands separate. The energy that it takes to separate the DNA is related to the amount of guanine and cytosine bases. Why is this so?
(A) Adenine and thymine make 3 hydrogen bonds between each other, and guanine and cytosine don't make any hydrogen bonds.
(B) Guanine and cytosine make 3 hydrogen bonds between each other, and adenine and thymine don't make any hydrogen bonds.
(C) It takes more energy to break an A-T bond than it does a G-C bond.
(D) It takes more energy to break a G-C bond than it does an A-T bond.
Which of the following is NOT a characteristic of the DNA Double Helix?
a) The two strands run in an anti-parallel fashion based on their polarity.
b) Hydrogen bonding between nucleotides holds the strands together.
c) DNA is 20 Angstrom's wide.
d) The percentage of Guanine and Thymine present in a double helix strand are always equal.
Chapter 5 Solutions
CAMPBELL'S BIOLOGY MASTERING BIOLOGY
Ch. 5.1 - What are the four main classes of large biological...Ch. 5.1 - How many molecules of water are needed to...Ch. 5.1 - WHAT IF? If you eat a piece of fish, what...Ch. 5.2 - Write the formula for a monosaccharide that has...Ch. 5.2 - Prob. 2CCCh. 5.2 - WHAT IF? After a cow is given antibiotics to...Ch. 5.3 - Compare the structure of a fat (triglyceride) with...Ch. 5.3 - Why are human sex hormones considered lipids?Ch. 5.3 - Prob. 3CCCh. 5.4 - What parts of a polypeptide participate in the...
Ch. 5.4 - Prob. 2CCCh. 5.4 - Prob. 3CCCh. 5.4 - WHAT IF? Where would you expect a polypeptide...Ch. 5.5 - Prob. 1CCCh. 5.5 - Prob. 2CCCh. 5.6 - How would sequencing the entire genome of an...Ch. 5.6 - Given the function of DNA, why would you expect...Ch. 5 - What is the fundamental basis for the differences...Ch. 5 - Compare the composition, structure, and function...Ch. 5 - Why are lipids not considered to be polymers or...Ch. 5 - Explain the basis for the great diversity of...Ch. 5 - What role does complementary base pairing play in...Ch. 5 - Prob. 5.6CRCh. 5 - Which of the following categories includes all...Ch. 5 - The enzyme amylase can break glycosidic linkages...Ch. 5 - Prob. 3TYUCh. 5 - The structural level of a protein least affected...Ch. 5 - Enzymes that break down DNA catalyze the...Ch. 5 - The molecular formula for glucose is C6H12O6. What...Ch. 5 - Which of the following pairs of base sequences...Ch. 5 - Construct a table that organizes the following...Ch. 5 - Prob. 9TYUCh. 5 - EVOLUTION CONNECTION Comparisons of amino acid...Ch. 5 - SCIENTIFIC INQUIRY Suppose you are a research...Ch. 5 - WRITE ABOUT A THEME: ORGANIZATION Proteins, which...Ch. 5 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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- The two strands of a DNA double helix can be separated by heating. If you raise the temperature of a solution containing the three DNA molecules below, in what order do you think these DNAs will "melt"? Explain 1)5’-GCGGGCCAGCCCGAGTGGGTAGCCCAGG-3’ 3’-CGCCCGGTCGGGCTCACCCATCGGGTCC-5’ 2) 5’-ATTATAAAATATTTAGATACTATATTTACAA-3’ 3’-TAATATTTTATAAATCTATGATATAAATGTT-5’ 3) 5’-AGAGCTAGATCGAT-3’ 3’-TCTCGATCTAGCTA-5’arrow_forwardDNA replication always proceeds in only one direction because the ________ of the incoming nucleotide is attached to the free ________ of the growing DNA strand. A) 5'-phosphate / 3'-hydroxyl B) 3'-phosphate / 5'-hydroxyl C) 5'-deoxyribose / 3'-base D) 3'-base / 5'-deoxyribosearrow_forwardA DNA sequence can be represented as a string of the letters ACTG (short for adenine, cytosine, guanine, and thymine). (a) How many DNA sequences are exactly 24 letters long? (b) Given a DNA sequence of length 24, how many single letter mutations are possible? (c) Given a DNA sequence of length 24, how many double letter mutations are possible?arrow_forward
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