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

Cellulose

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Multiple Choice

Cellulose is composed of which of the following monosaccharides covalently bonded together in a long chain?

α-glucose.

Amino acids.

β-glucose.

Cellobiose.

Peptidoglycan.

Chitin.

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Verified step by step guidance

Understand the structure of cellulose: Cellulose is a polysaccharide, meaning it is composed of many monosaccharide units linked together.

Identify the type of monosaccharide in cellulose: Cellulose is specifically composed of β-glucose units. This is crucial because the β configuration of glucose affects the properties and structure of cellulose.

Explore the bonding in cellulose: The β-glucose units in cellulose are linked by β(1→4) glycosidic bonds. This type of linkage is responsible for the linear and fibrous structure of cellulose.

Differentiate cellulose from other substances: Compare cellulose with other options like α-glucose, amino acids, cellobiose, peptidoglycan, and chitin to understand why β-glucose is the correct monosaccharide.

Consider the biological role of cellulose: Cellulose is a major component of plant cell walls, providing structural support due to its strong and rigid β-glucose chains.