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

Proteins

Biochemistry

1. Introduction to Biochemistry

Proteins

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Multiple Choice

The function of pancreatic proteases is to:

Synthesize new proteins from amino acids

Break down carbohydrates into monosaccharides

Emulsify dietary fats for absorption

Hydrolyze peptide bonds in dietary proteins into smaller peptides and amino acids

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Verified step by step guidance

Understand the role of pancreatic proteases: These enzymes are secreted by the pancreas and play a critical role in protein digestion by breaking down dietary proteins into smaller peptides and amino acids.

Recall the biochemical mechanism: Pancreatic proteases, such as trypsin, chymotrypsin, and elastase, catalyze the hydrolysis of peptide bonds. This involves the cleavage of the bond between the carboxyl group of one amino acid and the amino group of another.

Identify the substrate: The substrate for pancreatic proteases is dietary proteins, which are long chains of amino acids linked by peptide bonds.

Describe the product: The enzymatic activity results in smaller peptides and free amino acids, which can be absorbed by the intestinal lining and utilized by the body for various functions, including protein synthesis.

Clarify the distinction: Pancreatic proteases do not synthesize proteins, break down carbohydrates, or emulsify fats. Their specific function is to hydrolyze peptide bonds in proteins, making them essential for protein digestion.