Pre-lab Question, Session 2: Which of the following hydrogen bonds are most important for stabilizing secondary protein structure?Group of answer choicesHydrogen bonds between OH and O groups in amino acid side chains.Hydrogen bonds between NH and O groups in the polypeptide backbone.Hydrogen bonds between O and NH groups in amino acid side chains.Hydrogen bonds between CH and N groups in the polypeptide backbone.
Question
Pre-lab Question, Session 2: Which of the following hydrogen bonds are most important for stabilizing secondary protein structure?Group of answer choicesHydrogen bonds between OH and O groups in amino acid side chains.Hydrogen bonds between NH and O groups in the polypeptide backbone.Hydrogen bonds between O and NH groups in amino acid side chains.Hydrogen bonds between CH and N groups in the polypeptide backbone.
Solution
The most important hydrogen bonds for stabilizing secondary protein structure are the hydrogen bonds between NH and O groups in the polypeptide backbone.
Here's why:
Proteins are made up of amino acids, which are linked together in a chain to form a polypeptide backbone. This backbone is made up of repeating units of the amide group (-NH-) and the carbonyl group (-C=O).
In the secondary structure of proteins, such as alpha-helices and beta-sheets, the hydrogen bonds that stabilize these structures are formed between the hydrogen atom of the amide group (NH) and the oxygen atom of the carbonyl group (C=O) of the polypeptide backbone.
These hydrogen bonds are crucial for maintaining the shape and stability of the secondary protein structure. Without these bonds, the protein would not be able to maintain its shape and function properly.
Therefore, the hydrogen bonds between NH and O groups in the polypeptide backbone are the most important for stabilizing secondary protein structure.
Similar Questions
Which of the following types of bonds or interactions is primarily involved in stabilizing the alpha-helix and beta-sheet structures of proteins?Question 4Answera.Hydrophobic interactionsb.Hydrogen bondsc.Peptide bonds d.Ionic bonds
Which hydrogen bonds have been found to stabilize a polypeptide’s folded shape?Question 22Select one:a. Hydrogen bonds between backbone atoms.b.Hydrogen bonds between backbone atoms and side chain atoms.c.All of these.d.Hydrogen bonds between side chain atoms.
Which of the following interactions are present in the tertiary structure of a protein?Group of answer choicesHydrogen bondsAll are present.Disulfide bondsLondon dispersion forces PreviousNext
Which of the following help maintain the three-dimensional structure of a typical protein? 1. Attractions between residues with opposite charges 2. Interconversions between alpha helices and beta sheets 3. Disulfide bonds between cysteine residues 4. Hydrogen bonding between different amino acids in a polypeptide chainGroup of answer choices1, 3, 41 and 22, 3, 42 and 4All of 1-4
During protein folding, which of the following interactions stabilize secondary, tertiary, or quaternary structures?Hydrogen bondsIonic bondsvan der Waals forcesPeptide bondsA.I and II onlyB.III and IV onlyC.I, II, and III onlyD.I, III, and IV only
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.