Chemistry for Today: General, Organic, and Biochemistry
9th Edition
ISBN: 9781305960060
Author: Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen
Publisher: Cengage Learning
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Textbook Question
Chapter 21, Problem 21.71E
Explain the function and importance of each of the following in the formation of recombinant DNA:
a. Plasmid
b. Restriction enzyme
c. DNA ligase
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What main forces contribute to the stability of the DNA double helix structure?
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d. Hydrogen bonding between the phosphate background and the surrounding water
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a. Phosphate Group and Nitrogen Base
b. All components remain the same throughout the DNA structure
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Chapter 21 Solutions
Chemistry for Today: General, Organic, and Biochemistry
Ch. 21 - What is the principal location of DNA within the...Ch. 21 - Which pentose sugar is present in DNA? In RNA?Ch. 21 - Prob. 21.3ECh. 21 - Prob. 21.4ECh. 21 - Prob. 21.5ECh. 21 - Prob. 21.6ECh. 21 - Prob. 21.7ECh. 21 - Identify the 3 and 5 ends of the DNA segment...Ch. 21 - Prob. 21.9ECh. 21 - Prob. 21.10E
Ch. 21 - Describe the role of hydrogen bonding in the...Ch. 21 - How many total hydrogen bonds would exist between...Ch. 21 - How many total hydrogen bonds would exist between...Ch. 21 - Prob. 21.14ECh. 21 - A strand of DNA has the base sequence GATTCA....Ch. 21 - What is a chromosome? How many chromosomes are in...Ch. 21 - Prob. 21.17ECh. 21 - What is a replication fork?Ch. 21 - Prob. 21.19ECh. 21 - List the steps involved in DNA replication.Ch. 21 - What enzymes are involved in DNA replication?Ch. 21 - In what direction is a new DNA strand formed?Ch. 21 - Prob. 21.23ECh. 21 - Prob. 21.24ECh. 21 - Prob. 21.25ECh. 21 - How does the sugar-phosphate backbone of RNA...Ch. 21 - Compare the secondary structures of RNA and DNA.Ch. 21 - Briefly describe the characteristics and functions...Ch. 21 - Must the ratio of guanine to cytosine be 1:1 in...Ch. 21 - What are the two important regions of a tRNA...Ch. 21 - Prob. 21.31ECh. 21 - In the flow of genetic information, what is meant...Ch. 21 - Prob. 21.33ECh. 21 - Write the base sequence for the mRNA that would be...Ch. 21 - Prob. 21.35ECh. 21 - What is the relationship among exons, introns, and...Ch. 21 - What is a codon?Ch. 21 - For each of the following mRNA codons, give the...Ch. 21 - Describe the experiment that allowed researchers...Ch. 21 - Which of the following statements about the...Ch. 21 - The -chain of hemoglobin is a protein that...Ch. 21 - Prob. 21.42ECh. 21 - Prob. 21.43ECh. 21 - Prob. 21.44ECh. 21 - Prob. 21.45ECh. 21 - Prob. 21.46ECh. 21 - Prob. 21.47ECh. 21 - Prob. 21.48ECh. 21 - Prob. 21.49ECh. 21 - Prob. 21.50ECh. 21 - Prob. 21.51ECh. 21 - Prob. 21.52ECh. 21 - Prob. 21.53ECh. 21 - Prob. 21.54ECh. 21 - Prob. 21.55ECh. 21 - Prob. 21.56ECh. 21 - Prob. 21.57ECh. 21 - Prob. 21.58ECh. 21 - Prob. 21.59ECh. 21 - Genetic engineering shows great promise for the...Ch. 21 - Prob. 21.61ECh. 21 - Prob. 21.62ECh. 21 - Prob. 21.63ECh. 21 - Prob. 21.64ECh. 21 - Prob. 21.65ECh. 21 - Prob. 21.66ECh. 21 - How does the DNA content determine what reactions...Ch. 21 - What would be the ramifications if DNA were single...Ch. 21 - Prob. 21.69ECh. 21 - Prob. 21.70ECh. 21 - Explain the function and importance of each of the...Ch. 21 - Prob. 21.72ECh. 21 - Which base is found in DNA but not in RNA? a....Ch. 21 - Which of the following best describes tRNA? a. It...Ch. 21 - Which of the following is the site of protein...Ch. 21 - In messenger RNA, a codon contains how many...
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- What is a replication fork?arrow_forwardReplication of DNA produces two daughter DNA molecules in which a. once daughter molecules contains both parent strands and one daughter molecule contains both newly synthesized strands b. each daughter molecule contians one parent strand and one newly synthesized strand c. each daughter molecule contians two newly synthesized strands d. each daughter molecule contians both parent strandsarrow_forwardWhen amino acids are brought to the ribosome by the tRNA so a peptide bond can be formed, what is the name of the organic functional group generated between the amino acid and tRNA? a. Acetal b. Amide c. Ester d. Ketone e. Thioesterarrow_forward
- Which of the following is not a characteristic of a genetic code? a. reading of codons does not involve any overlap b. nucleotide triplets are read until stop codon is reached c. three amino acids correspond to one base d. only one amino acid corresponds to each codonarrow_forwardSOURCE: GENERAL ORGANIC AND BIOLOGICAL CHEMISTRY BY SMITH 4TH EDITIONarrow_forwardWhich of the following types of RNA carries the genetic information from DNA in the nucleus to the cytosol for protein synthesis? (Circle one). a. mRNA b. histone RNA c. rRNA d. tRNA e. sRNAarrow_forward
- Which part of a nucleotide is involved in the bonding that holds DNA double helix together? Select one: a. The nitrogenous base of a nucleotide being repelled by the surrounding water b. The nitrogenous base of a nucleotide hydrogen bonds with the nitrogenous base of another nucleotide on the complementary strand. c. The nitrogenous base of a nucleotide hydrogen bonds with the nitrogenous base of another nucleotide on the same strand d. Interactions amongst deoxyribose sugars with phosphates on the same strand e. Interactions amongst adjacent phosphate backbonesarrow_forwarda. What is a teratogenic virus?b. Which RNA virus has this potential?arrow_forwardWhat are complementary properties?arrow_forward
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Nucleic acids - DNA and RNA structure; Author: MEDSimplified;https://www.youtube.com/watch?v=0lZRAShqft0;License: Standard YouTube License, CC-BY