Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 11QP
Polynucleotide chains have a 5′ and a 3′ end. Which groups are found at each of these ends?
- a. 5′ sugars, 3′ phosphates
- b. 3′ OH, 5′ phosphates
- c. 3′ base, 5′ phosphates
- d. 5′ base, 3′ OH
- e. 5′ phosphates, 3′ bases
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In polynucleotides, the phosphodiester bond is between the ______.
a
3’ OH from the 3’ end, and 5’ OH from the 5’ end
b
3’ OH from the 5’ end, and 4’ OH from the 3’ end
c
3’ OH from the 5’ end, and 5’ OH from the 3’ end
d
3’ OH from the 3’ end, and 4’ OH from the 5’ end
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 parts
Which statment below about nucleotides is TRUE ?
A. Base pairing occurs between the 5' and 3' carbons of the sugar in a nucleotide.
B. A deoxynucleotide triphosphate (dNTP) becomes a DNA necleotide during polymerization
C. In a nucleotide, the base is either deoxyribose (in DNA) or ribose (in RNA)
D. A nucleotide is composed of two nitrogenous bases, a sugar and a phosphate group.
Chapter 8 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 8.4 - Two genes associated with breast cancer, BRCA1 and...Ch. 8.4 - Prob. 2GRCh. 8 - What are Bruces options at this point? Bruce and...Ch. 8 - Should he reconsider and try chemotherapy instead?...Ch. 8 - Should he go ahead and enroll on the chance that...Ch. 8 - Until 1944, which cellular component was thought...Ch. 8 - Why do you think nucleic acids were originally not...Ch. 8 - Prob. 3QPCh. 8 - In the experiments of Aery, MacLeod, and McCarty,...Ch. 8 - Read the following experiment and interpret the...
Ch. 8 - Recently, scientists discovered that a rare...Ch. 8 - List the pyrimidine bases, the purine bases, and...Ch. 8 - In analyzing the base composition of a DNA sample,...Ch. 8 - The basic building blocks of nucleic acids are: a....Ch. 8 - Adenine is a: a. nucleoside b. purine c....Ch. 8 - Polynucleotide chains have a 5 and a 3 end. Which...Ch. 8 - DNA contains many hydrogen bonds. Are hydrogen...Ch. 8 - Prob. 13QPCh. 8 - State the properties of the WatsonCrick model of...Ch. 8 - Using Figures 8.7 and 8.9 as a guide, draw a...Ch. 8 - A beginning genetics student is attempting to...Ch. 8 - Chemical analysis shows that a nucleic acid sample...Ch. 8 - Prob. 18QPCh. 8 - RNA is ribonucleic acid, and DNA is...Ch. 8 - What is the function of DNA polymerase? a. It...Ch. 8 - Which of the following statements is not true...Ch. 8 - Make the complementary strand for the following...Ch. 8 - How does DNA replication occur in a precise manner...Ch. 8 - Nucleosomes are complexes of: a. RNA and DNA b....Ch. 8 - Discuss the levels of chromosomal organization...
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- If the DNA of an organism contains 20% adenine, what is its percentage of guanine? a.20% b.60% c.80% d.30%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_forwardThe backbone of DNA molecule is made of? a. nucleotides b. alternating phosphates and bases c. alternating bases and sugars d. alternating sugar and phosphate moleculesarrow_forward
- Which statement about DNA bases is true? A. Adenine and guanine are purines. B. Thymine and adenine are pyrimidines. C. Guanine and cytosine are pyrimidines. D. Guanine and cytosine are purines. E. None are correctarrow_forwardThe type of bonds between the nucleotide bases of the two strands of DNA are a.polar covalent bonds. b.nonpolar covalent bonds. c.hydrogen bonds. d.ionic bonds.arrow_forwardWhich of the following represents a NON-covalent bond? A) phosphodiester bond B) pairing of an adenine and a thymine in double stranded DNA C) binding of an hydroxyl group to the 3' carbon of ribose. D) linkage between a nitrogenous base and a ribose sugar in a nucleotidearrow_forward
- The 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_forwardWhat types of bonds form between 5' and 3' carbons on the same strand of DNA/RNA? which answer choice? a. Hydrogen bond b. Phosphodiester bond c. Peptide bond d. Ionic bondarrow_forwardAbout how many nucleosomes could be made from a DNA strand consisting of 1000 B-helical turns? A. 5 B. 50 C. 500 D. This is not enough DNA to make even one nucleosome. The abbreviation dGp indicates: A. 3', 5' deoxyguanylate. B. 3' deoxyguanylate. C. 5' deoxyguanylate. D. 5', 3'deoxyguanylate.arrow_forward
- The energy to form the phosphodiester bond between nucleotides in a single strand comes from A, the nucleotides in Triphosphate form B. only from ATP C. The single Phosphate of nucleotides D. GTP provides the energyarrow_forward_______ are single-ringed bases. a purines b pyrimidines c adenines d guaninesarrow_forwardWhat would happen to the base pairing of DNA if we removed the van der Waals dispersion forces? Click on the VIEW IMAGE button to get a hint. a) The bases would lose their structure b) There would be no significant change c) The ladder of DNA would hydrolyze d) The double helix would unwindarrow_forward
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