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

Glycosidic Bond

Biochemistry

9. Carbohydrates

Glycosidic Bond

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Multiple Choice

Which two molecules below do NOT contain a 1,4 glycosidic linkage?

A & B.

B & C.

C & A.

D & C.

E & D.

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Verified step by step guidance

Identify the structure of a 1,4-glycosidic linkage. This type of linkage occurs between the anomeric carbon (C1) of one sugar and the hydroxyl group on the C4 of another sugar.

Examine molecule A: Check the linkage between the two sugar units. The oxygen bridge connects the C1 of the first sugar to the C4 of the second sugar, indicating a 1,4-glycosidic linkage.

Examine molecule B: Observe the linkage between the sugar units. The oxygen bridge connects the C1 of the first sugar to the C4 of the second sugar, confirming a 1,4-glycosidic linkage.

Examine molecule C: Look at the linkage between the sugar units. The oxygen bridge connects the C1 of the first sugar to the C4 of the second sugar, showing a 1,4-glycosidic linkage.

Examine molecules D and E: Notice that the linkage in D is between C1 of the first sugar and C6 of the second sugar, and in E, the linkage is between C1 of the first sugar and C6 of the second sugar, indicating that neither D nor E have a 1,4-glycosidic linkage.