BBR ☑ וווי ✓ Select which FOUR of the following statements are TRUE A In a polypeptide, bond rotation is possible for the Ca-R (side chain) bond 16 OF 16 QUESTIONS REMAININ B C In parallel beta sheets NH to CO hydrogen bonds connect each amino acid in one strand to two different amino acids in each adjacent strand A disulfide bridge is a weak non-covalent interaction D) The alpha helix is typically left-handed E An aldehyde functional group has the generic formula R-CHO F Phosphoryl group transfer from ATP is highly exergonic G All of the 20 common amino acids are chiral H The amino acid tryptophan is often found in the loops and turns of a protein structure Questions Filter (16) ▼ 1 LAG - MIN Video highlight K First Previous Next > Last > Q Search 網

BBR ☑ וווי ✓ Select which FOUR of the following statements are TRUE A In a polypeptide, bond rotation is possible for the Ca-R (side chain) bond 16 OF 16 QUESTIONS REMAININ B C In parallel beta sheets NH to CO hydrogen bonds connect each amino acid in one strand to two different amino acids in each adjacent strand A disulfide bridge is a weak non-covalent interaction D) The alpha helix is typically left-handed E An aldehyde functional group has the generic formula R-CHO F Phosphoryl group transfer from ATP is highly exergonic G All of the 20 common amino acids are chiral H The amino acid tryptophan is often found in the loops and turns of a protein structure Questions Filter (16) ▼ 1 LAG - MIN Video highlight K First Previous Next > Last > Q Search 網

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Functional group involved in glycosidic linkages In an alpha helix, ____
The bond linking monomers of both DNA and RNA is more appropriately called 3'-5' phosphodiester bond 5'-3' phosphodiester bond phosphate ester bond N-C glycosidic bond
Which of the following is the TRUE statement? When found together, a helices and B sheets are generally found in the same structural 'layer The B conformation is most stable when the individual segments are twisted in a left-handed direction Hydrophobic interactions make a large contribution to the stability of protein structures, therefor, burial of hydrophobic amino acid residues need at least two layers of secondary structure The backbone segment of a ß conformation polypeptide segment can readily H-bond to an a helix adjacent to it
Which of the following is incorrect about the alpha-helix? It can be easily identified in the "ribbon" representation Ob. It is stabilized by hydrophobic interactions between the side chains of nonpolar residues OC. It is right-handed Od. Its H-bonds are formed between a C=O group and a N-H group four residues farther along a.
Select the properties that apply to the secondary structure alpha helices (select all that apply). U 0 can be Antiparallel can be Parallel are typically right handed are typically left handed obeys n+4 rule are formed by the pattern of hydrogen bonding the backbone makes with itself are formed by the pattern of covalent bonds the backbone makes with itself are formed by the pattern of electrostatic attractions the backbone makes with itself
Can you please identify what type of protein this is?
A polypeptide with a net positive charge at physiologic pH (~7.4) most likely contains amino acids with R groups of what type? Aliphatic R groups Basic R groups O Aromatic R groups O Acidic R groups
The peptide segment shown below is part of a right-handed alpha helix. Please indicate the hydrogen-bonding partner of the residue contained in the dashed box. NH₂ ОН OH ОН H₂N OA OK S OE IZ IZ OH `N ОН IZ
40
PLEASE ANSWER RIGHT, I SUBMITTED 4 DIFFERNT TIME AND EVERY TIME ANSWER IS DIFFERNET
Which of the following best describes how the secondary structure of a protein is formed? A B с D O=U a-helix H O=C N-H R-C-H C=0 H-N H-C-R O=C N-H R-C-H C=O H-N O-C N-H R-C-H C=O H-N N-H 0= H-C-R H-N C=O R-C-4 N-H O=C H-C-R 4-1 Ç=O R-C-H N-H 0=C H-C-R (=O R-C-H B-pleated sheet ionic bonds between the R groups of the polypeptide amino acids -Uh hydrogen bonds between the carboxyl and amino groups of non-adjacent amino acids covalent bonds between the carboxyl and amino groups of adjacent amino acids hydrogen bonds between the R groups of the polypeptide amino acids
A polar functional group that forms disulfide bridges and stabilizes protein tertiary structure is O -NH2 O-COOH O -PO4 O-SH O -OH