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

How are disaccharides formed from monosaccharides?

By the reduction of monosaccharides in the presence of NADH

By the oxidation of monosaccharides to form a covalent linkage

By the hydrolysis of polysaccharides into two monosaccharides

By the formation of a glycosidic bond through a condensation (dehydration) reaction between two monosaccharides

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Verified step by step guidance

Understand the concept of monosaccharides: Monosaccharides are the simplest form of carbohydrates, consisting of single sugar molecules like glucose or fructose. They serve as building blocks for more complex carbohydrates.

Learn about disaccharides: Disaccharides are carbohydrates formed when two monosaccharides are chemically bonded together. Examples include sucrose (glucose + fructose) and lactose (glucose + galactose).

Explore glycosidic bonds: A glycosidic bond is a covalent bond that connects two monosaccharides. This bond forms between the hydroxyl (-OH) groups of the monosaccharides, typically at the anomeric carbon of one monosaccharide and a hydroxyl group of the other.

Understand the condensation (dehydration) reaction: The formation of a glycosidic bond involves a condensation reaction, where a molecule of water (H₂O) is removed. This occurs as the hydroxyl group from one monosaccharide and a hydrogen atom from the other monosaccharide combine to release water.

Recognize the importance of enzymes: In biological systems, enzymes like glycosyltransferases catalyze the formation of glycosidic bonds, ensuring the reaction occurs efficiently and specifically under physiological conditions.