HUMAN HEREDITY (LL)-W/MINDTAP ACCESS
11th Edition
ISBN: 9781305717022
Author: Cummings
Publisher: CENGAGE L
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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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What type of bond is found along the backbone of the DNA backbone?
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 (LL)-W/MINDTAP ACCESS
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_forwardOne 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_forward
- A double-stranded DNA molecule is 1 cm long, and the percentage of adenine is 15%. How many cytosines does this DNA molecule contain?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_forwardWhat different types of chemical bonds are found in DNA and where are they found?arrow_forward
- When 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_forwardHow 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_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_forwardName the four nitrogenous bases that form a DNA molecule.arrow_forwardWhat statement about DNA polarity is TRUE? One end of the chain has a 5'-OH group attached to a phosphoryl group. The other end of the chain has a free 3'-OH group, which is linked to another nucleotide. One end of the chain has a free 5'-OH group or 5'-OH group attached to a phosphoryl group. The other end of the chain has a free 3'-OH group. None is linked to another nucleotide. One end of the chain has a free 3'-OH group or 3'-OH group attached to a phosphoryl group. The other end of the chain has a free 3'-OH group, which is linked to another nucleotide. One end of the chain has only a free 5'-OH group. The other end of the chain has a free 3'-OH group. Neither is linked to another nucleotide. One end of the chain has a free 5'-OH group. The other end of the chain has a free 3'-OH group.arrow_forward
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