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 19QP
RNA is ribonucleic acid, and DNA is deoxyribonucleic acid. What exactly is deoxygenated about DNA?
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If one side of DNA molecule had a base sequence of adenine-adenine-guanine-cytosine-thymine-cytosine-thymine, what would the sequence of bases on the opposite side of the molecule be?
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DNA is comprised of four different bases. What are the four different bases? What is so significant about the four different base?
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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- DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?arrow_forwardIf a DNA double helix contains 28% T nucleotides, then what is the percentage of A nucleotides?arrow_forwardWhat kind of bond do nucleotides use to form the DNA backbone?arrow_forward
- One DNA chain of a DNA double helix contains 18% A, 35% T, 28% C, and 21% G. What is the composition of the complementary DNA chain?arrow_forwardWhat role does bonding play in DNA? Where are hydrogen bonds located? Where are covalent bonds located? Why is that significant to the overall structure and function of DNAarrow_forwardWhen comparing the structures of RNA and DNA , which of the following statement is True?A-Only RNA contains 3'-deoxyribise rings B-Both RNA and DNA contain 3'-deoxyribise rings C-Only DNA contains 3'- deoxyribise rings D-Neither RNA or DNA contain 3'-deoxyribise ringsarrow_forward
- How many hydrogen bonds will be involved in base pairing in a DNA molecule of 100 base pairs that contains 30 cytosine bases?arrow_forwardIf a DNA double helix that is 100 base pairs in length has32 adenines, how many cytosines, guanines, and thymines must it have?arrow_forwardHow many combinations of DNA bases are for a polynucleotide of 7 base pairs in length?arrow_forward
- What are the three components of a nucleotide? With regard to the 5′ and 3′ positions on a sugar molecule, how are nucleotides linked together to form a strand of DNA?arrow_forwardProvide an explanation for why in DNA, the base G is always base paired with C and A is always base paired with T?arrow_forwardDNA and RNA are chemically very similar but are distinguished, in large part, by the presence of a 2’-OH group in RNA and a 2’-H group in DNA. Why do you suppose that both DNA and RNA have 3’-OH groups and we do not typically find nucleic acids within cells that have 3’-H groups?arrow_forward
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