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

3. Amino Acids

Amino Acids and Henderson-Hasselbalch

Biochemistry

3. Amino Acids

Amino Acids and Henderson-Hasselbalch

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Multiple Choice

Which of the following is important for enforcing the specificity of protein synthesis?

The presence of disulfide bonds in the final protein structure

The hydrophobic effect during protein folding

The correct pairing of aminoacyl-tRNA synthetases with their corresponding amino acids

The pH of the cytosol as determined by the Henderson-Hasselbalch equation

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Verified step by step guidance

Understand the context of protein synthesis: Protein synthesis involves translating mRNA into a polypeptide chain, which is then folded into a functional protein. Specificity in this process ensures that the correct amino acids are incorporated into the growing polypeptide chain.

Recognize the role of aminoacyl-tRNA synthetases: These enzymes are responsible for attaching the correct amino acid to its corresponding tRNA molecule. This step is crucial for maintaining the fidelity of protein synthesis, as the tRNA delivers the amino acid to the ribosome during translation.

Analyze why disulfide bonds are not relevant here: Disulfide bonds contribute to the final structure and stability of proteins but do not play a role in enforcing specificity during the synthesis process.

Evaluate the hydrophobic effect: The hydrophobic effect is important during protein folding, influencing the tertiary structure of the protein. However, it does not directly impact the specificity of amino acid incorporation during synthesis.

Consider the pH of the cytosol: While pH can affect enzyme activity and protein stability, it is not directly involved in ensuring the specificity of amino acid pairing during protein synthesis. The correct pairing of aminoacyl-tRNA synthetases with their corresponding amino acids is the key factor in enforcing specificity.