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

Which of the following alternative sweeteners is synthesized from sucrose?

Stevia

Sucralose

Saccharin

Aspartame

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Verified step by step guidance

Step 1: Begin by understanding the chemical structure of sucrose, which is a disaccharide composed of glucose and fructose linked by a glycosidic bond.

Step 2: Learn about sucralose, which is synthesized by chemically modifying sucrose. Specifically, three hydroxyl (-OH) groups in sucrose are replaced with chlorine atoms, making sucralose a chlorinated derivative of sucrose.

Step 3: Compare sucralose with the other sweeteners listed in the problem. Stevia is a natural sweetener derived from the Stevia plant, saccharin is a synthetic compound unrelated to sucrose, and aspartame is a dipeptide-based sweetener made from amino acids (phenylalanine and aspartic acid). None of these are synthesized from sucrose.

Step 4: Recognize that sucralose retains the core structure of sucrose but is chemically altered to enhance sweetness and stability, making it the correct answer to the question.

Step 5: Conclude that sucralose is the only sweetener in the list that is synthesized directly from sucrose, while the others have different origins and chemical compositions.