BIOLOGY >PRINT UPGRADE<
11th Edition
ISBN: 9780357091586
Author: Solomon
Publisher: CENGAGE L
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Chapter 12, Problem 6TYU
Each DNA strand has a backbone that consists of alternating (a) purines and pyrimidines (b)
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Which of the following statements is (are) true? (a) The two strands of DNA run parallel from their 5' to their 3' ends. (b) An adenine–thymine base pair contains three hydrogen bonds. (c) Positively charged counterions are associated with DNA. (d) DNA base pairs are always perpendicular to the helix axis
If a segment of DNA is 5'CATTAC—3', the complementary DNA strand is (a)3'—CATTAC—5'(b) 3'—GTAATG—5' (c) 5'—CATTAC—3'(d) 5'—GTAATG—3' (e) 5'—CATTAC—5'
The two complementary strands of the DNA double helix are held to each other by (a) ionic bonds between deoxyribose molecules (b) ionic bonds between phosphate groups (c) covalent bonds between nucleotide bases (d) covalent bonds between deoxyribose molecules (e) hydrogen bondsbetween nucleotide bases
Chapter 12 Solutions
BIOLOGY >PRINT UPGRADE<
Ch. 12.1 - Summarize the evidence that accumulated during the...Ch. 12.1 - Prob. 2LOCh. 12.1 - Prob. 1CCh. 12.1 - Prob. 2CCh. 12.2 - Explain how nucleotide subunits link to form a...Ch. 12.2 - Describe how the two strands of DNA are oriented...Ch. 12.2 - Prob. 5LOCh. 12.2 - Prob. 1CCh. 12.2 - Prob. 2CCh. 12.2 - Prob. 3C
Ch. 12.3 - Cite evidence from Meselson and Stahls experiment...Ch. 12.3 - Prob. 7LOCh. 12.3 - Explain the complexities of DNA replication that...Ch. 12.3 - Discuss how enzymes proofread and repair errors in...Ch. 12.3 - Prob. 10LOCh. 12.3 - How did the ability to distinguish old and newly...Ch. 12.3 - What feature of DNA structure causes DNA...Ch. 12.3 - What is the reason that eukaryotic cells require...Ch. 12 - When Griffith injected mice with a combination of...Ch. 12 - Which of the following inspired Avery and his...Ch. 12 - In the Hershey-Chase experiment with...Ch. 12 - The two complementary strands of the DNA double...Ch. 12 - If a segment of DNA is 5 CATTAC 3, the...Ch. 12 - Each DNA strand has a backbone that consists of...Ch. 12 - The experiments in which Meselson and Stahl grew...Ch. 12 - The statement DNA replicates by a semiconservative...Ch. 12 - Topoisomerases (a) synthesize DNA (b) synthesize...Ch. 12 - A lagging strand forms by (a) joining primers (b)...Ch. 12 - The immediate source of energy for DNA replication...Ch. 12 - Which of the following statements about eukaryotic...Ch. 12 - Prob. 13TYUCh. 12 - Prob. 14TYUCh. 12 - Prob. 15TYUCh. 12 - INTERPRET DATA In the Hershey-Chase experiment,...Ch. 12 - EVOLUTION LINK How does DNA being the universal...
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- If a strand of DNA has the sequence CGGTATATC, then the complementary strand of DNA has the sequence (a) ATTCGCGCA. (b) GCCCGCGCT. (c) GCCATATAG. (d) TAACGCGCT.arrow_forwardWhich of the following single stranded DNA oligonucleotides alone would be expected to spontaneously form linear double stranded DNA molecules? A) 5'-ACGTTGCA-3' B) 5'-GGGGGGGC-3' C) 3'-GTCCCTAT-5 D) 3-CTAATTAG-5' asap pleasearrow_forwardThe DNA of different species differs in the (a) sequence of bases. (b) complementary base-pairing. (c) number of nucleotide strands. (d) location of the sugar-phosphate portion of the DNA molecule.arrow_forward
- A DNA strand consists of any sequence of four kinds of nucleotides. Suppose there were only 14 different amino acids instead of 20. Which of the following statements would be correct descriptions of the minimal number of nucleotides necessary to create a genetic code? a) 1 b)2, provided that chain termination does not require a special codon c) 3, provided that chain termination does require a special codon d)2, no matter how chain termination is accomplished e) Both b and carrow_forwardGiven the following sequence for one strand of a double-stranded oligonucleotide: 5'ACCGTAAGGCTTTAG3' (a) Write the sequence for the complementary DNA strand. (b) Suppose you knew that the strand shown above had phosphate on both ends. Using an accepted nomenclature, write the sequence so as to show this. (c) Write the sequence of the RNA complementary to the strand shown above.arrow_forwardWhich of the following best explains Chargaff’s rule (a) 3’to 5’ synthesis of DNA (b) anti-parallel structure of DNA (c) phosphodiester bonds (d) hydrogen bonds (e) 5’ to 3’ synthesis of DNAarrow_forward
- The statement “DNA replicates by a semiconservative mechanism” means that (a) only one DNA strand is copied (b) first one DNA strand is copied and then the other strand is copied (c) the two strands of a double helix have identical base sequences (d) some portions of a single DNA strand are old and other portions are newly synthesized (e) each double helix consists of one old and one newly synthesized strandarrow_forwardWhich 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.arrow_forwardWhich of the following statements is (are) true? (a) Bacterial ribosomes consist of 40S and 60S subunits. (b) Prokaryotic DNA is normally complexed with histones. (c) Prokaryotic DNA normally exists as a closed circle. (d) Circular DNA is supercoiled.arrow_forward
- Write the sequence of the complementary DNA strand thatpairs with each of the following DNA base sequences:(a) GGTTAC(b) CCCGAAarrow_forwardWhich of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotide a. I only b. II only c. I and IV d. III and IVarrow_forwardWhich of the following statements are TRUE?I. DNA replication is a semiconservative process wherein the two resulting double helices consist of one new strand and one parental strand.II. The DNA strand that is used to make a complementary daughter strand is called the parental strand.III. The precursor of each new nucleotide in the DNA strand is a deoxynucleoside 3′-triphosphate.IV. The incoming nucleotide always attaches to 5′-phosphate of the previously added nucleotidearrow_forward
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