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

5. Protein Techniques

Differential Centrifugation

Biochemistry

5. Protein Techniques

Differential Centrifugation

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Multiple Choice

Which of the following affects the sedimentation of a particle during centrifugation?

Mass.

Shape.

Density of the particle & solvent.

a & b.

a, b & c.

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Verified step by step guidance

Understand that sedimentation during centrifugation is influenced by several factors related to the particle and the medium.

Recognize that the mass of the particle affects sedimentation because heavier particles will sediment faster under the influence of centrifugal force.

Consider the shape of the particle, as it influences how the particle moves through the solvent. More streamlined shapes may sediment more efficiently.

Acknowledge the role of density, both of the particle and the solvent. A particle will sediment faster if it is denser than the solvent, and the difference in density between the particle and the solvent affects the rate of sedimentation.

Combine these factors to conclude that mass, shape, and density (of both the particle and the solvent) all affect the sedimentation process during centrifugation.