What type(s) of non-covalent interaction determine(s) the specificity of base-pairing within a DNA double helix? A.London dispersion forces only B. Charge-charge interactions only C. Hydrogen bonds only D. London forces and charge-charge interactions only E. London forces and hydrogen bonds only F. Charge-charge interactions and hydrogen bondsonly G. London forces, charge-charge interactions, and hydrogen bonds

As per the Watson-Crick model of the DNA double helix:DNA is made up of two strands of…

Answered: What type(s) of non-covalent…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna

Section: Chapter Questions

Problem 12QP: DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What...

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What type of interaction between the base pairs serves as the "glue" to keep the two DNA strands together? O A. hydrogen bonding B. covalent bonding O C. ion-dipole interactions D. ionic bonding O E. London dispersion forces
In Watson and Crick's model of DNA structure, the two strands of the DNA double helix are joined through a. Ionic bonds b. Hydrophobic interactions c. Covalent bonds d. Disulfide bonds e. Hydrogen bonds
Indicate whether each of the following base-pairing situations (1) involves two DNA strands, (2) involves a DNA strand and an RNA strand, or (3) could involve either two DNA strands or a DNA strand and an RNA strand? a. A G T U C A b. A C T T G A c. A G U T C A d. C G C G C G a. A G T U C A b. A C T T G A c. A G U T C A d. C G C G C G
Which of the following are shared properties of DNA and RNA three-dimensional structure formation? Select one or more: a. Single strands can form complex structures with catalytic activity b. Purines generally pair with pyrimidines c. Palindromic sequences result can result in the formation of hairpin or cruciform structures d. The most stable form for a random sequence is known as B form e. The formation of a structure involves the bonding of complementary sequences
Which of the following statement for the B-DNA helix is NOT true? a. It is a left-handed helix. b. Planes of bases are nearly perpendicular to the helix axis. c. Sugars are in the 2’-endo conformation. d. Bases are in the anti conformation. e. It is a common form of duplex DNA solution.
On a single-stranded DNA, the basic units are linked to one another by _______ A. Disulfide linkages B. Phosphoanhydride bonds C. Phosphodiester bonds D. Hydrogen bonds E. Hydrophobic interactions
DNA contains many hydrogen bonds. Are hydrogen bonds stronger or weaker than covalent bonds? What are the consequences of this difference in strength?
Which of the following substances is involved in de novo synthesis of purine nucleotides but not pyrimidine nucleotides () A, glutamine B, glutamate C, aspartic acid D, glycine What is wrong with the statement about the B-type DNA double helix model is that () A, the base plane and the pentose plane are perpendicular to each other B. The base plane is located outside the helix C. The two chains are stabilized by interbase hydrogen bonding D. is a right-handed spiral structure The enzymes in common with the following enzymes that catalyze glycolysis and gluconeogenesis are () A, hexokinase B, phosphoglycerate kinase C, 1, 6-2p-fructokinase and D, pyruvate kinase Which of the following enzyme catalyzed reactions does not involve the production or consumption of carbon dioxide () A, pyruvate carboxylase B, isocitrate dehydrogenase C, 6-P-gluconate dehydrogenase and D, succinate dehydrogenase
What is the contribution of Van der Waals forces in the stability of the DNA the double helix structure? O a. They stabilize the complimentary base-pairing across the helix b. They stabilize the base stacking between adjacent nucleotides in the double helix c. They stabilize DNA packaging with histones O d. They stabilize the phosphodiester backbone e. They cause the nitrogenous sugars to become more sensitive to digestion.
Much of the stability of the double-stranded DNA structure is the result of.... A. the angle of the planes of the bases with respect to the helix axis.B. the phosphodiester backbone.C. hydrogen bonding between purines. D. the stacking interactions between base pair. E. Both C and D
Indicate whether each of the following statements about the double-helix secondary structure of DNA is true or false. a. The two polynucleotide strands are complementary rather than identical. b. Bases present extend outward from the double helix. c. Covalent bonding occurs between the two polynucleotide strands. d. The two polynucleotide strands run in the 5′-to-3′ direction
13. The monomer of a nucleic acid? polymer of a nucleic acid? 14. What two main functions do nucleic acids have? а. b. 15. What are the three parts that make up a nucleotide? а. Draw a basic nucleotide. b. с. 16. What kind of bond holds the two strands of a DNA double helix together?

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