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

1. Introduction to Biochemistry

Carbohydrates

Biochemistry

1. Introduction to Biochemistry

Carbohydrates

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Multiple Choice

Two monosaccharides joined by dehydration synthesis form a carbohydrate molecule called a:

Oligosaccharide

Polysaccharide

Monosaccharide

Disaccharide

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Verified step by step guidance

Understand the concept of dehydration synthesis: Dehydration synthesis is a chemical reaction where two molecules are joined together with the removal of a water molecule. This process is common in forming larger biomolecules from smaller subunits.

Identify the type of molecules involved: Monosaccharides are simple sugars, such as glucose or fructose, which serve as building blocks for larger carbohydrates.

Recognize the result of joining two monosaccharides: When two monosaccharides undergo dehydration synthesis, they form a disaccharide. A disaccharide is a carbohydrate composed of two monosaccharide units linked by a glycosidic bond.

Compare the options provided: Oligosaccharides are composed of 3-10 monosaccharides, polysaccharides are long chains of monosaccharides, and monosaccharides are single sugar units. The correct answer is disaccharide, as it specifically refers to two monosaccharides joined together.

Conclude the reasoning: Based on the process of dehydration synthesis and the definition of disaccharides, the correct answer is disaccharide, which is formed when two monosaccharides are joined together.