Which of the following statements regarding hydrogen bonding is false?Hydrogen bonding occurs between the hydrogen o* and lone pair electron o orbitalsThere is a strong angle dependence of hydrogen bonding, with ideal angle of 180°The donor is a weak base and the acceptor is a weak acidHydrogen bonding occurs between the hydrogen atom of an electronegative donor and a lonepair of electrons on an acceptorIt is one of the most important non-covalent bonds in biochemistry

When hydrogen is covalently linked to a electronegative atoms like oxygen or nitrogen, the bond…

Answered: Which of the following statements…

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter2: The Chemical Foundation Of Life

Section: Chapter Questions

Problem 3VCQ: Figure 2.24 Which of the following statements is false? Molecules with the formulas CH3CH2COOH and...

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Similar questions

What kinds of bonds often control the shape (or tertiary form) of large molecules such as proteins? a. hydrogen b. ionic c. covalent d. inert e. single
which of the following statements is correct regarding the affect of pH on the ionization of R groups in amino acids. Put yes or no next to each number. 1) at an acidic pH, amino groups in an R group tend to lonize by accepting a proton and have a positive charge2) at an acidic pH, carboxyl groups in an R group are likely to be in an unionized state.3) at an alkaline pH, amino groups in an R group have a tendency to remain unionized (and uncharged).4) at an alkaline pH, carboxyl groups in an R group have a tendency to lonize by loosing a hydrogen ion (H+)5) R groups that do not have an amino or carboxyl group do not ionize at pH of the environment changes.
The disulfide bond between two cysteine residues— is a weak ion-induced dipole attraction. is an ionic bond that is stable at physiological pH. is a covalent bond formed by oxidation. is a hydrogen bond between the two sulfhydryl groups. is a special form of peptide bond.
Like oxygen sulfur forms to covalent bonds. However sulfur is far less electronegative. In fact it has approximately the same electronegativity value as carbon. Based on your knowledge explain how the properties of various classes of biological molecules would be altered if you were to replace all of the oxygen atoms with sulfur.
Which of the following bonds is/are likely to be polar (choose all that apply)? a. H-H b. O-H c. C-H d. O-O
The disulfide bond— is a hydrogen bond in which the sulfhydryl group is the hydrogen donor. is an ionic bond involving a divalent ion and a sulfate. is a weak dipole attraction connecting two sulfhydryl groups. is a covalent bond formed by oxidation. is a special form of peptide bond linking two cysteine residuals
The formula for sugar is __________. The cation is __________, and the anion is __________. A.) C12H22O11, CH2+, O2- B.) C12H22O11, C+ and H+, O2- C.) C6H12O6, CH2+, O2- D.) C12H22O11, N/A, N/A (sugar is covalently bonded and does not dissociate into ions).
Amino acids are the building units of proteins. These compounds contain at least one amino group and a carboxyl group. Glycine exists in three possible types, depending on the pH of the solution. Fully protonated: Dipolar ion: Completely ionized: pH 1.0; Predict which structure of glycine might be dominant at pH 7.0 and pH 12.0. The pKa value of the carboxyl group is 2.3 and the ammonium group is 9.6.Please explain.
Which covalent bond forms when a fatty acid is attached to the following molecule by dehydration synthesis: CH2(OH)-CH(OH)-CH2(OH)? a peptide bond a phosphodiester bond an ester bond a glycosidic bond an ether bond
When hydrogen covalently bonds to carbon it creates a nonpolar bond. However, when hydrogen covalently bonds to oxygen it creates a polar bond. What is a polar covalent bond, and why does it occur between hydrogen and oxygen, but not hydrogen and carbon?
This type of noncovalent bond is responsible for clustering fatty acid tails of phospholipids in a micelle. a. Disulfide bonds b. Hydrogen bonds c. Hydrophobic interactions d. Ionic interactions e. van der Waals interactions
Draw a “dot & cross” diagram to show the shape of a water molecule (H2O). Bond angles need to be shown. State the shape of a water molecule.

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