Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

9. Carbohydrates

Glycosidic Bond

Biochemistry

9. Carbohydrates

Glycosidic Bond

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Multiple Choice

Which type of bond joins two monosaccharides to form a disaccharide?

Disulfide bond

Phosphodiester bond

Peptide bond

Glycosidic bond

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Verified step by step guidance

Step 1: Understand the question. The problem asks about the type of bond that joins two monosaccharides to form a disaccharide. Monosaccharides are simple sugars, and disaccharides are formed when two monosaccharides are chemically linked.

Step 2: Recall the types of bonds mentioned in the options. Disulfide bonds are covalent bonds formed between sulfur atoms in cysteine residues, typically found in proteins. Phosphodiester bonds are found in nucleic acids, linking the phosphate group of one nucleotide to the sugar of another. Peptide bonds are covalent bonds that link amino acids in proteins.

Step 3: Focus on the correct bond type for carbohydrates. Monosaccharides are linked through a covalent bond called a glycosidic bond. This bond forms when the hydroxyl group (-OH) of one monosaccharide reacts with the hydroxyl group of another, releasing a molecule of water (condensation reaction).

Step 4: Represent the glycosidic bond formation. The general reaction can be written as:

{Monosaccharide}_{1} + {Monosaccharide}_{2} \to Disaccharide + H O_{2}

. The glycosidic bond is the covalent linkage formed between the two monosaccharides.

Step 5: Conclude that the correct answer is a glycosidic bond, as it is the specific bond responsible for linking monosaccharides to form disaccharides in carbohydrates.