Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
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 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.
Which is a difference between B-DNA and A-DNA?
A. For polynucleotide strands containing the same number of nucleotides, the B-DNA strand will be shorter from end-to-end than the corresponding A-DNA.
B. Both are helical, but B-DNA is right-handed and A-DNA is left-handed.
C. The sugar in A-DNA is more oxidized than that in B-DNA
D. Helical structures in RNA predominantly adopt the B-DNA conformation.
E. None of the above.
The tetranucleotide AGTC (in DNA) has a free hydroxyl group on ____.
A. A
B. G, T, and C
C. C
D. A, G, T, and C
How do amino acids in DNA-binding proteins interact with DNA?
a. By forming covalent bonds with DNA bases
b. By forming hydrogen bonds with DNA bases
c. By forming covalent bonds with DNA sugars
Chapter 3 Solutions
Campbell Biology in Focus (2nd 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 - Prob. 1TYUCh. 3 - Which functional group is not present in this...Ch. 3 - MAKE CONNECTIONS Which chemical group is most...Ch. 3 - Prob. 4TYUCh. 3 - Which of the following statements concerning...Ch. 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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- Levene made which contribution to our understanding of DNA structure? a. He determined that the nucleus contains DNA. b. He determined that DNA contains four nitrogenous bases c. He determined that DNA consists of nucleotides. d. He determined that the nitrogenous bases of DNA are present in regular ratiosarrow_forwardDescribe What were different types of chemical bonds are found in DNA and where are they found?arrow_forwardHow 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.arrow_forward
- A) What is the difference between a nucleoside and a nucleotide? B) Give any two differences between DNA and RNA. C) Draw the structure of deoxyribose and ribose below, and number the carbons. What is the difference between the two structures? Please answer all 3 partsarrow_forwardA. Give five important features of the DNA molecule? B. How does the DNA structure reflect its functions?arrow_forwardChoose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierarrow_forward
- Suppose you had a method of cutting DNA at specific sequences of nucleotides. how many nucleotides long (on average) would such a sequence have to be in order to make just one cut in a bacterial genome of 3 × 106 nucleotide pairs?arrow_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_forwardWhat is DNA polymerase? a.An enzyme that carries out DNA replication b.Short, single strand of DNA that base-pairs with a specific DNA sequence c.An enzyme that corrects mutations that arise during the replication of DNA d.An enzyme that seals any gaps that remain between bases of replicating strands of DNAarrow_forward
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