Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Chapter 2, Problem 15RA
Summary Introduction
To determine:
Type of bond between the nitrogen bases in the double-stranded DNA.
Introduction:
DNA (deoxyribonucleic acid) is the genetic material of multicellular organisms and is a double stranded molecule having complementary strands to each other. DNA contains nitrogen bases, ribose sugar, and phosphate group. The nitrogen bases are attached to each other via hydrogen bonds.
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Students have asked these similar questions
Which of the following is true about the structure of nucleotides?
A. Purine nucleotides cannot base pair with pyrimidine nucleotides.
B. Pyrimidine bases are larger than purine bases.
C. Purine and pyrimidine bases are found in DNA and RNA.
D. Thymine base is found in DNA and RNA.
Which of the following is the monomeric unit of DNA.
A. Nucleotides
B. Deoxyribose
C. Nitrogenous bases
D. Phospate
Which of the following statements about DNA is true? (Select all that applied)
Select one:
a. DNA contains thymine but not uracil.
b. DNA molecules contain deoxyribose.
c. All of these
d. In a double-stranded DNA molecule, adenine on one strand will be connected to thymine on the
complementary strand by two hydrogen bonds.
Chapter 2 Solutions
Human Physiology
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Ch. 2 - Which of these Lipids have regulatory roles in the...Ch. 2 - The tertiary structure of a protein is directly...Ch. 2 - The type of bond formed between two molecules of...Ch. 2 - The carbon-to-nitrogen bond that joins amino acids...Ch. 2 - Prob. 13RACh. 2 - Prob. 14RACh. 2 - Prob. 15RACh. 2 - Prob. 16RACh. 2 - Prob. 17RACh. 2 - Explain, in terms of dehydration synthesis and...Ch. 2 - Prob. 19RACh. 2 - Prob. 20RACh. 2 - Explain how one DNA molecule serves as a template...Ch. 2 - Prob. 22RACh. 2 - Prob. 23RACh. 2 - From the ingredients listed on a food wrapper, it...Ch. 2 - Prob. 25RACh. 2 - Prob. 26RACh. 2 - Prob. 27RACh. 2 - Prob. 28RACh. 2 - Prob. 29RACh. 2 - The molecular weight is the sum of the atomic...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements about nucleic acids is not correct? Select one: A. In DNA the distance between the strands of the double helix is relatively constant. B. The growing DNA polymer is synthesized in the 5' to 3' direction. C. The enzymes that catalyze DNA synthesis are known as DNA polymerases. D. RNA strands are synthesized in the 3' to 5' direction. E. Unlike DNA, RNA is easily cleaved because the 2'-OH group of the ribose is a nucleophile that catalyzes hydrolysis of the strand.arrow_forwardThe base content of a particular DNA molecule is 36% thymine. What is the percentage of each of the following bases in the molecule? a. Adenine b. Guanine c. Cytosinearrow_forwardA nucleotide is composed of all of the following excepta. 5-carbon sugar. c. 6-carbon sugar.b. nitrogen base. d. phosphate grouparrow_forward
- Which of the following is the correct way that heterocyclic bases are paired between two polypeptide chains of DNA? a. Pyrimidines-Pyrimidines b. Purine-Pyrimidine c. Purines-Purine d. Sugar-Phosphatearrow_forwardWhich of the following is NOT a part of the structure of nucleotides? A. Fatty acid tails B. Phosphate groups C. Sugar D. Nitrogenous basearrow_forwardIn a DNA molecule, Select one: A. The nucleotides are covalently bonded to one another. B. The bases are hydrogen-bonded to the sugars. C. The bases are covalently bonded to one another. D. The nucleotides are hydrogen-bonded to one anotherarrow_forward
- What forces hold the two individual strands of DNA together to form a double helix? a. ionic bonds b. covalent bonds c. hydrophobic bonds d. hydrogen bonds e. no correct responsearrow_forwardLabel each statement as pertaining to DNA, RNA, or both. a. The polynucleotide is double stranded. b. The polynucleotide may contain adenine. c. The polynucleotide may contain dGMP. d. The polynucleotide is a polymer of ribonucleotides.arrow_forwardDraw and label the dinucleotide AT as follows: A. 5’ and 3’ ends B. Phosphodiester bond C. N-glycosidic bondsarrow_forward
- Identify the base and sugar in each of the following nucleotides: A. CMP B. dAMP C. dTMP D. UMParrow_forwardWhich of the following is not a difference between DNA and RNA? a. DNA contains thymine whereas RNA contains uracil b. DNA contains deoxyribose and RNA contains ribose c. DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars d. RNA is single stranded and DNA is double strandedarrow_forwardThe antiparallel nature of DNA refers to a. its charged phosphate groups. b. the pairing of bases on one strand with bases on the other strand. c. the formation of hydrogen bonds between bases from opposite strands. d. the opposite direction of the two strands of nucleotides.arrow_forward
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