BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 14, Problem 7U
Which of the following is NOT pan of the Watson-Crick model of the structure of DNA?
a. DNA is composed of two strands.
b. The two DNA strands are oriented in parallel (5′-to-3′).
c. Purines bind to pyrimidines.
d. DNA forms a double helix.
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Check out a sample textbook solutionStudents have asked these similar questions
In the Watson-Crick structure of DNA, the:
a. adenine content of one strand must equal the thymine content of the same strand.
b. nucleotides are arranged in the A-form.
c. purine content (fraction of bases that are purines) must be the same in both strands.
d. two strands are parallel.
e. the strands are complementary to each other.
Indicate whether each of the following statements about
the double-helix secondary structure of DNA is true
or false.
a. The two polynucleotide strands are complementary
rather than identical.
b. Bases present extend outward from the
double helix.
c. Covalent bonding occurs between the two
polynucleotide strands.
d. The two polynucleotide strands run in the
5′-to-3′ direction
Which of the following is true about the structure of DNA as proposed by Watson and Crick (B-form DNA)?
A. DNA forms a left-handed double helix.
B. The strands of DNA are parallel.
C. The complementary base pairs are held together by hydrogen bonds.
D. A complete turn of the double helix occurs after every base pair.
Chapter 14 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 14.1 - Describe the experiments of Griffith and Avery.Ch. 14.1 - Evaluate the evidence for DNA as genetic material.Ch. 14.2 - Explain how the WatsonCrick structure rationalized...Ch. 14.2 - Prob. 2LOCh. 14.3 - Prob. 1LOCh. 14.3 - Prob. 2LOCh. 14.4 - Prob. 1LOCh. 14.4 - Prob. 2LOCh. 14.4 - Diagram the functions found at the replication...Ch. 14.5 - Compare eukaryotic replication with prokaryotic.
Ch. 14.5 - Prob. 2LOCh. 14.5 - Prob. 3LOCh. 14.6 - Prob. 1LOCh. 14.6 - Prob. 2LOCh. 14 - Prob. 1DACh. 14 - Prob. 2DACh. 14 - Prob. 1IQCh. 14 - Prob. 2IQCh. 14 - How does the structure of eukaryotic genomes...Ch. 14 - Prob. 4IQCh. 14 - Prob. 1UCh. 14 - Which of the following is NOT a component of DNA?...Ch. 14 - Chargaff studied the composition of DNA from...Ch. 14 - The bonds that hold two complementary strands of...Ch. 14 - Prob. 5UCh. 14 - Prob. 6UCh. 14 - Which of the following is NOT pan of the...Ch. 14 - If one strand of a DNA is 5 ATCGTTAAGCGAGTCA 3,...Ch. 14 - Hershey and Chase used radioactive phosphorus and...Ch. 14 - The Meselson and Stahl experiment used a density...Ch. 14 - Prob. 4ACh. 14 - If the activity of DNA ligase was removed from...Ch. 14 - Successful DNA synthesis requires all of the...Ch. 14 - The synthesis of telomeres a. uses DNA polymerase,...Ch. 14 - When mutations that affected DNA replication were...Ch. 14 - Prob. 1SCh. 14 - In the Meselson-Stahl experiment, a control...Ch. 14 - Enzyme function is critically important for the...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
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- Models of real-world phenomena can reveal important links between structure and function in biology. Describe how the structure of DNA revealed by theWatson and Crick model suggests how it functions in living things.arrow_forwardWhich of the following does not contribute to the stability of the DNA? A. The presence of hydrogen between nitrogenous bases. B. Presence of the N-glycosidic bond between the nitrogenous base and phosphate group C. Presence of phosphodiester bond between the sugar and phosphate group on the sugar-phosphate backbone. D. Hydrophobic interaction between stacked nitrogenous bases.arrow_forwardWhich of the following is/are true about the two DNA strands that form a helix? (check all that apply) Select one or more: a.The 2 strands are antiparallel and complementary to each other b.The 2 strands are linked to each other by phosphodiester bonds c.The phosphate groups of nucleotides impart a negative charge to nucleic acidsarrow_forward
- What is the effect of incubating a mixture of RNA and DNA with 0.1 M NaOH? A. DNA is hydrolyzed to nucleoside monophosphates. B. No effect. RNA and DNA are resistant to base hydrolysis. C. RNA is hydrolyzed to nucleoside monophosphates. D. Both RNA and DNA are hydrolyzed to nucleoside monophosphates. Stem-loop structures in RNA resemble the ________ form of double-helical DNA. A. A B. B C. supercoiled circular D. Zarrow_forwardDNA is less susceptible than RNA to alkaline hydrolysis. Which of the following is the most appropriate explanation? A. DNA is double-strand while RNA is single-stranded. B. DNA has a 2' hydrogen while RNA has a 2' hydroxyl group. C. DNA has tertiary structure while RNA does not have. D. DNA includes thymine bases while RNA includes uracil bases. E. DNA is in nucleus while RNA is not.arrow_forwardEnzymes 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 sugarsarrow_forward
- Which of the following substances is involved in de novo synthesis of purine nucleotides but not pyrimidine nucleotides () A, glutamine B, glutamate C, aspartic acid D, glycine What is wrong with the statement about the B-type DNA double helix model is that () A, the base plane and the pentose plane are perpendicular to each other B. The base plane is located outside the helix C. The two chains are stabilized by interbase hydrogen bonding D. is a right-handed spiral structure The enzymes in common with the following enzymes that catalyze glycolysis and gluconeogenesis are () A, hexokinase B, phosphoglycerate kinase C, 1, 6-2p-fructokinase and D, pyruvate kinase Which of the following enzyme catalyzed reactions does not involve the production or consumption of carbon dioxide () A, pyruvate carboxylase B, isocitrate dehydrogenase C, 6-P-gluconate dehydrogenase and D, succinate dehydrogenasearrow_forwardGiven 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_forwardHere is the cartoon representation and Ramachandran plot of a small DNA-binding protein, 80-residues in length. In its Ramachandran plot, 58 residues fall in the a region; 20 residues fall in the region; 2 residues fall in the L region. No residues fall in the disallowed region. The polypeptide termini are labelled. 11. Approximately what percentage of the protein is a-helix? A. 38% B. 42% C. 58% D. 72% 12. What percentage of the protein is B-sheet? A. 0% B. 25% C. 75% D. 100% 13. What percentage of the protein is regular structure? A. 3% B. 42% C. 58% D. 97% 14. What percentage of the protein is irregular structure? A. 0% B. 42% C. 75% D. 97% 15. How many domains are present? A. 1 B. 2 C. 3 D. 4 100 16. How many subunits are present? A. 1 B. 2 C. 3 D. 4arrow_forward
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