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Question 3 The B-form helix of DNA is stabilized mainly by lon-dipole bonds lonic bonds Covalent...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bo...
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
Q. 28. The a helix is stabilized by hydrogen bonds that are directed along the length...
Q. 28. The a helix is stabilized by hydrogen bonds that are directed along the length of the helix. The peptide carbonyl group of the nth residue forms a hydrogen bond with the peptide –NH group of the (n + 4)th residue. Draw the structure of this hydrogen bond.
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole...
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
Identify the strongest intermolecular force in the compound KHSO4 O lonic forces Dipole-dipole Hydrogen bonding O...
Identify the strongest intermolecular force in the compound KHSO4 O lonic forces Dipole-dipole Hydrogen bonding O lon-dipole London dispersion forces Question 23 1.5 pts What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? O London dispersion forces Olonic bonding O Covalent bonding O Dipole-dipole forces Hydrogen bonding In which of the following molecules and ions does the central carbon atom or sulfur atom have sp hybridization: Cl,CO, SO32-,...
Answer: E. Why isn't Hydrogen bonds considered the strongest bond if its also a Dipole-Dipole ?...
Answer: E. Why isn't Hydrogen bonds considered the strongest
bond if its also a Dipole-Dipole ?
84) Of the various chemical bonds in biology, select the strongest one. A) Van Der Waals bond interactions to form water B) Hydrogen bonds to form stable DNA molecules C) A hydrogen atom covalently bonded to one electronegative atom is also attracted to another electronegative atom D) Lipophilic bonds that repulse water E) Covalent bonds
Ionic bonds, hydrogen bonds, covalent bonds, dipole-dipole and van der Waals dispersion forces are all involved...
Ionic bonds, hydrogen bonds, covalent bonds, dipole-dipole and van der Waals dispersion forces are all involved in maintaining the: A. cis-formation of long-chin fatty acids B. stability of phospholipids C. tertiary structure of proteins
QUESTION 11 Which is true of the structure the DNA double helix? A. The sugar-phosphate backbone...
QUESTION 11 Which is true of the structure the DNA double helix? A. The sugar-phosphate backbone faces outward. B. The nitrogen-containing bases face inward and form hydrogen bonds to one another. C. Adenine (A) bonds to Thymine (T). D. Adenine (A) bonds the Cytosine (C).
Name the primary forces that stabilize the double helix form of DNA. Choose all that apply....
Name the primary forces that stabilize the double helix form of DNA. Choose all that apply. Salt bridges Hydrophobic effect Hydrogen bonding Disulfide bonds Aromatic pi stacking
Question 3 1 pts Ionic bonds form due to of electrons between bonded atoms. Covalent bonds...
Question 3 1 pts Ionic bonds form due to of electrons between bonded atoms. Covalent bonds form due to of electrons between bonded atoms. Question 4 1 pts Polar covalent bonds have a difference in electronegativity between and
Which statement is accurate? A. only nonpolar covalent bonds contain potential energy B. covalent bonds form...
Which statement is accurate? A. only nonpolar covalent bonds contain potential energy B. covalent bonds form between charged ions C. most of the enzymes in cells are made of RNA D. organic molecules contain carbon and hydrogen E. prokaryotic chromosomes are made of RNA
18. The base pairs are held together primarily by a. Covalent bonds b. Hydrogen bonds c. lonic bonds d. Gyrases 19. How many hydrogen bonds between Adenine and Thymine? a. b. 2 c. 3 d. 4 20. How many hydrogen bonds between Cytosine and Guanine? b. 2 d. 4 21. Which ones are weaker? a. Hydrogen bonds b. Covalent bonds 22. The nature of the double helix is that it is: a. Parallel arranged b. Perpendicularly arranged c. Antiparallel arranged...
Identify the strongest intermolecular force in the compound KHSO4. O lonic forces Dipole-dipole Hydrogen bonding lon-dipole London dispersion forces What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? London dispersion forces O lonic bonding Covalent bonding Dipole-dipole forces Hydrogen bonding Which of the following compounds would have the strongest intermolecular attractive forces ? 0 CH3-NH-CH2-CH3 CH3-CH2-CH2-OH O CH3-CH2-O-CH3 O CH3-CH2-CO2H CO2 A 0.258-9 sample of a pure triprotic...
Identify the strongest intermolecular force in the compound KHSO4 O lonic forces Dipole-dipole Hydrogen bonding O lon-dipole London dispersion forces Question 23 1.5 pts What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? O London dispersion forces Olonic bonding O Covalent bonding O Dipole-dipole forces Hydrogen bonding In which of the following molecules and ions does the central carbon atom or sulfur atom have sp hybridization: Cl,CO, SO32-,...
Answer: E. Why isn't Hydrogen bonds considered the strongest
bond if its also a Dipole-Dipole ?
84) Of the various chemical bonds in biology, select the strongest one. A) Van Der Waals bond interactions to form water B) Hydrogen bonds to form stable DNA molecules C) A hydrogen atom covalently bonded to one electronegative atom is also attracted to another electronegative atom D) Lipophilic bonds that repulse water E) Covalent bonds
Question 3 1 pts Ionic bonds form due to of electrons between bonded atoms. Covalent bonds form due to of electrons between bonded atoms. Question 4 1 pts Polar covalent bonds have a difference in electronegativity between and
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