Problem 12 The carbon-to-nitrogen bond that... [FREE SOLUTION]

Chapter 2: Problem 12

The carbon-to-nitrogen bond that joins amino acids together is called a. a glycosidic bond. b. a peptide bond. c. a hydrogen bond. d. a double bond.

Short Answer

Expert verified

The correct answer is b. A peptide bond, which is a covalent bond formed between the carboxyl group of one amino acid and the amino group of another amino acid, connecting the carbon and nitrogen atoms.

Step by step solution

Identify the question

The question is asking for the type of bond that links amino acids together, which is a carbon-to-nitrogen bond. The student needs to understand the different types of bonds and their applications to answer this question correctly. Step 2

Analyze the answer options

There are four definitions of bonds given as answer options: a. Glycosidic bond b. Peptide bond c. Hydrogen bond d. Double bond Now you should analyze each option to find the correct answer. Step 3

Evaluate and eliminate option a: Glycosidic bond

A glycosidic bond is a covalent bond that joins a carbohydrate molecule to another group. This type of bond is commonly found in carbohydrates, where two monosaccharides are linked together. It does not involve carbon-to-nitrogen bonding and is not related to amino acids. Therefore, option a is incorrect. Step 4

Evaluate and eliminate option c: Hydrogen bond

A hydrogen bond is a form of non-covalent interaction that occurs between a hydrogen atom bonded to an electronegative atom (such as oxygen or nitrogen) and another electronegative atom. Hydrogen bonds are present in the secondary and tertiary structures of proteins, but they are not responsible for linking amino acids together. Therefore, option c is incorrect. Step 5

Evaluate and eliminate option d: Double bond

A double bond is a covalent bond in which two pairs of electrons are shared between two atoms. Although carbon-to-nitrogen double bonds can exist, they are not involved in joining amino acids together. Thus, option d is incorrect. Step 6

Confirm the correct answer: Peptide bond

An examination of the remaining option, peptide bond, leads to the discovery that it is the correct answer. A peptide bond is a covalent bond formed between the carboxyl group of one amino acid and the amino group of another amino acid, connecting the carbon and nitrogen atoms. Amino acids are connected in proteins through peptide bonds, which form the primary structure of the protein. Therefore, the correct answer is: b. A peptide bond

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91影视

The carbon-to-nitrogen bond that joins amino acids together is called a. a glycosidic bond. b. a peptide bond. c. a hydrogen bond. d. a double bond.

Short Answer

Step by step solution

Identify the question

Analyze the answer options

Evaluate and eliminate option a: Glycosidic bond

Evaluate and eliminate option c: Hydrogen bond

Evaluate and eliminate option d: Double bond

Confirm the correct answer: Peptide bond

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