Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Textbook Question
Chapter 3, Problem 7TYU
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. AU bases would be separated from the deoxyribose sugars.
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Students have asked these similar questions
Which statement about nonpolar interactions in the formation of the DNA double helix is INCORRECT?
A. Van der Waals interactions are nearly optimal in a double-helical structure.
B. Nonpolar surfaces of the bases are moved into contact with each other due to a more complete base stacking.
C. Nucleotide bases tend to stack even in single-stranded DNA molecules.
D. The separation distance of the planes of adjacent bases needs to be adjusted for the favorable van der Waals contacts.
E. Surface complementary maximizes the formation of hydrogen bonds and van der Waals interactions while minimizing the nonpolar surface area exposed to the aqueous environment.
How are nucleotides connected to each other in a single strand of DNA?
A.
The nitrogenous bases and acids link the separate nucleotides into a chain.
B.
The phosphate group of one nucleotide binds to the sugar on the next nucleotide.
C.
The hydroxy group of one nucleotide stabilizes the phosphate group of the adjacent nucleotide.
D.
The sugar of one nucleotide binds directly to the sugar of the adjacent nucleotide.
Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes?
Group of answer choices
A. All bases would be separated from the deoxyribose sugars
B. The purines would be separated from the deoxyribose sugars
C. The phosphodiester linkages between deoxyribose sugars would be broken
D. The two strands of the double helix would separate
E. The pyrimidines would be separated from the deoxyribose sugars
Chapter 3 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 3.1 - How are gasoline and fat chemically similar?Ch. 3.1 - Which molecules in Figure 3.4a re isomers? For...Ch. 3.1 - Prob. 3CCCh. 3.1 - Prob. 4CCCh. 3.2 - How many molecules of water are needed to...Ch. 3.2 - WHAT IF? Suppose you eat a serving of fish. What...Ch. 3.3 - Write the formula for a monosaccharide that has...Ch. 3.3 - A dehydration reaction joins two glucose molecules...Ch. 3.3 - WHAT IF? After a cow is given antibiotics to treat...Ch. 3.4 - Compare the structure of a fat (triglyceride) with...
Ch. 3.4 - Why are human sex hormones considered lipids?Ch. 3.4 - Prob. 3CCCh. 3.5 - Why does a denatured protein no longer function...Ch. 3.5 - What parts of a polypeptide participate in the...Ch. 3.5 - WHAT IF? Where would you expect a polypeptide...Ch. 3.6 - DRAW IT Go to Figure 3.27a and, for the top three...Ch. 3.6 - Prob. 2CCCh. 3.7 - How would sequencing the entire genome of an...Ch. 3.7 - Given the function of DNA, why would you expect...Ch. 3 - Which functional group is not present in this...Ch. 3 - MAKE CONNECTIONS Which chemical group is most...Ch. 3 - Prob. 3TYUCh. 3 - Which of the following statements concerning...Ch. 3 - Prob. 5TYUCh. 3 - The structural level of a protein least a fleeted...Ch. 3 - Enzymes that break down DNA catalyze the...Ch. 3 - Prob. 8TYUCh. 3 - The molecular formula for glucose is C6H12O6. What...Ch. 3 - Construct a table that organizes the following...Ch. 3 - Prob. 11TYUCh. 3 - Prob. 12TYUCh. 3 - FOCUS ON ORGANIZATION Proteins, which have diverse...Ch. 3 - Prob. 14TYUCh. 3 - SYNTHESIZE YOUR KNOWLEDGE Given that the function...
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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?arrow_forwardWhen two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them), what happens to the DNA? a. the original strand of DNA now contains a new DNA sequence b. the original strand of DNA is prevented from opening during replication, so this section of DNA will not be replicated c. the original strand of DNA is methylated, which causes the bases to mismatch d. the original strand of DNA is kinked, which prevents DNA polymerase from working properly e. the original strand of DNA is unaffected, so no additional mutations arisearrow_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_forward
- Which statement describes Linus Pauling's contribution to the understanding of DNA structure? a Having first discovered the spiral shape of proteins, Linus Pauling used x-ray technology to hypothesize that the DNA molecule consisted of two consistently spaced strands that formed a spiral shape. b Having originally studied proteins, Pauling proposed that DNA was a three-chained helix with a sugar-phosphate backbone at the center and bases sticking out from the backbone. c Linus Pauling conducted experiments to prove that DNA carried genetic information. d Linus Pauling studied DNA base pairing.arrow_forwardWhat describes or designates the 3' end of a DNA strand? a. an available hydroxyl group on the 5th carbon of a deoxyribose of a terminal nucleotide b. an available phosphate group on the 3rd carbon of a deoxyribose of a terminal nucleotide c. an available hydroxyl group on the 3rd carbon of a deoxyribose of a terminal nucleotide d. an available hydroxyl group on the 2nd carbon of a deoxyribose of a terminal nucleotidearrow_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
- What is the major role of DNA polymerase in the DNA replication? a. Attached RNA primers to initiate the addition of complementary nucleotide sequence at the 5’ to 3’direction b. Adds up new complementary nucleotide sequence at the 3’ to 5’ direction of the DNA template. c. Unwinds the double helix by breaking the bonds at the 3’ to 5’ polymerization activity. d.It transiently cuts each strand to prevent supercoil at the 5’ to 3’ polymerization activity complementary to the RNA strandarrow_forwardWhy is DNA replication considered semiconservative? A. Both strands of each replicating DNA molecules are conserved. B. One molecule consists of the old strands and the other DNA molecule is entirely new. C. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. D. Both strands of each replicating DNA molecule are new.arrow_forwardWhy is DNA replication considered semiconservative? a. One molecule consists of the old strands and the other DNA molecule is entirely new. b.Both strands of each replicating DNA molecule are new. c. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. d.Both strands of each replicating DNA molecules are conserved.arrow_forward
- Given the following DNA strand: TACAGAGATAACCGAATT A. Write the corresponding strand that would form the other half of the DNA molecule. B. Transcribe the original DNA strand (TACAGAGATAACCGAATT) and write the sequence of bases found in the resulting messenger RNA molecule. C. Translate your messenger RNA molecule and write the sequence of amino acids in the resulting protein (the genetic code is provided below).arrow_forwardWhat feature of a DNA fragment causes it to move through a gel during electrophoresis? a. the electrical charges of its phosphate groups b. its nucleotide sequence c. the hydrogen bonds between its base pairs d. its double helix shapearrow_forwardWhat is the structure of a DNA molecule? A. Two nucleotide strands coiled into a double helix held together by bonds between internal nucleotide bases B. Three nucleotide strands coiled into a triple helix held together by bonds between internal nucleotide bases C. Two nucleotide strands coiled into a double helix held together by bonds between external nucleotide bases D. A single nucleotide strand held together by bonds between internal nucleotide basesarrow_forward
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