
Concept explainers
(a)
Interpretation : We need to comprehend the difference between an ionic bond (salt bridge) and a disulfide bond.
Concept Introduction : Proteins are
(b)
Interpretation : We need to comprehend the difference between alpha helix and ß-pleated.
Concept Introduction : Proteins are biomolecules which are composed of amino acid molecules. Here amino acids are bonded with each other through peptide linkage. Peptide linkage is formed between −NH2 and −COOH groups of amino acids with the elimination of water molecule. Hence each step of formation of peptide bond is a condensation reaction.
(c)
Interpretation : We need to comprehend the difference between tertiary and quaternary structures of proteins.
Concept Introduction : Proteins are biomolecules which are composed of amino acid molecules. Here amino acids are bonded with each other through peptide linkage. Peptide linkage is formed between −NH2 and −COOH groups of amino acids with the elimination of water molecule. Hence each step of formation of peptide bond is a condensation reaction.

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Chapter 18 Solutions
Basic Chemistry Plus Mastering Chemistry With Pearson Etext -- Access Card Package (6th Edition)
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- Synthesize 2-Hydroxy-2-phenylacetonitrile from phenylmethanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardSynthesize N-Methylcyclohexylamine from cyclohexanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardSynthesize N-Methylcyclohexylamine from cyclohexanol using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forward
- If possible, please provide the formula of the compound 3,3-dimethylbut-2-enal.arrow_forwardSynthesize 1,4-dibromobenzene from acetanilide (N-phenylacetamide) using the necessary organic or inorganic reagents. Draw the structures of the compounds.arrow_forwardIndicate the products obtained by mixing (3-oxo-3-phenylpropyl)triphenylphosphonium bromide with sodium hydride.arrow_forward
- We mix N-ethyl-2-hexanamine with excess methyl iodide and followed by heating with aqueous Ag2O. Indicate the major products obtained.arrow_forwardIndicate the products obtained by mixing acetophenone with iodine and NaOH.arrow_forwardIndicate the products obtained by mixing 2-Propanone and ethyllithium and performing a subsequent acid hydrolysis.arrow_forward
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