Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 9.2, Problem 3TYK
Summary Introduction
Introduction:
There are four types of specific nitrogenous bases that can be easily found in a DNA molecule. Two of these nitrogenous bases, adenine, and guanine have a double-ring structure which is characteristic of a chemical called purine. The other two bases, cytosine, and thymine have a single-ring structure and are the characteristic of a chemical called pyrimidine.
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Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from________ . a. the nucleotide c. DNA polymerase b. phosphate-group transfers from ATP
The backbone of DNA molecule is made of?
a.
nucleotides
b.
alternating phosphates and bases
c.
alternating bases and sugars
d.
alternating sugar and phosphate molecules
Segments of DNA act as templates that guide the amino acids to join together to form
a.
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all of the above.
Chapter 9 Solutions
Principles of Biology
Ch. 9.1 - Look ahead to Figure 17.10. How does bacterial...Ch. 9.1 - Prob. 1TYKCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2CCCh. 9.2 - Prob. 3CCCh. 9.2 - A nucleotide composed of deoxyribose, phosphate,...Ch. 9.2 - Prob. 2TYKCh. 9.2 - Prob. 3TYKCh. 9.3 - Prob. 1TYKCh. 9.3 - To determine the structure of DNA, Watson and...
Ch. 9.4 - Prob. 1CCCh. 9.4 - Prob. 1TYKCh. 9.4 - Prob. 2TYKCh. 9.5 - Prob. 1CCCh. 9.5 - Prob. 1TYKCh. 9.5 - Prob. 2TYKCh. 9.5 - Prob. 3TYKCh. 9.6 - Prob. 1CCCh. 9.6 - A nucleosome is composed of 146 bp or 147 bp of...Ch. 9.6 - After they have replicated and become compacted in...Ch. 9.6 - Prob. 1BCCh. 9.6 - Which of the following is the correct order for...Ch. 9 - What is/are the main component(s) of chromosomes?...Ch. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Of the following statements, which is correct when...Ch. 9 - Prob. 6TYCh. 9 - Prob. 7TYCh. 9 - Prob. 8TYCh. 9 - Prob. 9TYCh. 9 - The conversion of euchromatin into heterochromatin...Ch. 9 - What are the four criteria that the genetic...Ch. 9 - What are the key features of DNA that allow it to...Ch. 9 - PRINCIPLES A principle of bioloy is that structure...Ch. 9 - Prob. 1CBQCh. 9 - Prob. 2CBQ
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- Which is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f. All are in DNA.arrow_forwardWhat are major functions that DNA polymerase performs? A. unzips the DNA strand and makes the new nucleotides B. proof reads the new DNA strands for errors and corrects them C. bonds the nucleotides together forming the new DNA strand D. A, B, and C E. A and B F. B and C G. A and Carrow_forwardWhich part of the DNA is broken in a double strand break? a. Hydrogen bonds between bases b. Covalent bonds between the base and the sugar c. Covalent bonds between the base and the 2'-OH group d. Covalent bonds between the 3'OH of one nucleotide and the 5' phosphate of the next nucleotidearrow_forward
- How is each new nucleotide added to the growing end of a DNA strand? a. A dehydration reaction joins the monomer to the new strand b. By using DNA polymerase c. Both of the above d. A hydrolytic reaction joins the monomer to the new strandarrow_forwardDNA ________ Depends on Differences in Length of Simple-Sequence DNAs.arrow_forwardWhat do DNA and proteins have to do with each other?A.DNA provides information for making proteins.B.DNA is a type of protein.C.DNA and proteins have nothing to do with each other.D.Proteins are a type of DNA.arrow_forward
- The DNA double helix is stabilized by ... a) H-bonds between the sugar-phosphate backbones. b) ionic interactions between the sugar-phosphate backbones. c) H-bonds between complementary bases. d) a and c e) a, b and carrow_forwardThe structure of DNA requires both hydrogen bonds and phosphodiester bonds. Describe the location of the hydrogen bonds and explain how a DNA strand uses hydrogen bonds. Explain the connection between hydrogen bonds and DNA replication. Describe the location of the phosphodiester bonds and explain how a DNA strand uses phosphodiester bonds.arrow_forwardIf guanine makes up 60% of the bases in a DNA double helix, what percent of the bases is adenine? A) 50% B) 20% C) 60% D) 40%arrow_forward
- Which statement BEST describes the arrangement of components in a DNA molecule? The A, T, C, G four bases as well as the phosphates are located toward the inside of the strands. The A, T, C, G four bases are located toward the inside of the strands and the phosphates toward the outside. The A, T, C, G four bases are located toward the outside of the strands and phosphates toward the interior. The A, T, C, G four bases as well as the phosphates are located toward the outside of the strands.arrow_forwardHow do the sugars of RNA and DNA differ? a. RNA has a six-carbon sugar; DNA has a five-carbon sugar. b. The sugar of RNA has a hydroxyl group that is not found in the sugar of DNA. c. RNA contains uracil; DNA contains thymine. d. DNA’s sugar has a phosphorus atom; RNA’s sugar does not.arrow_forwardThe double-helix model of DNA resembles a twisted ladder inwhich the rungs of the ladder area. a purine paired with a pyrimidine.b. A paired with G, and C paired with T.c. sugar-phosphate paired with sugar-phosphate.d. a 5′ end paired with a 3′ end.e. Both a and b are correct.arrow_forward
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