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

Previous problemNext problem

Struggling with Biochemistry?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following is NOT true regarding carbohydrate structure and function?

Monosaccharides can exist in both linear and cyclic forms.

Glycosidic bonds link monosaccharide units in disaccharides and polysaccharides.

All carbohydrates contain only carbon, hydrogen, and oxygen atoms.

Cellulose is a storage polysaccharide in animals.

Previous problemNext problem

Verified step by step guidance

Step 1: Begin by understanding the structure and function of carbohydrates. Carbohydrates are organic molecules composed of carbon (C), hydrogen (H), and oxygen (O) atoms, typically in a ratio of 1:2:1. They serve various roles, including energy storage, structural support, and cell signaling.

Step 2: Review the statement 'Monosaccharides can exist in both linear and cyclic forms.' Monosaccharides, such as glucose, can indeed exist in both linear and cyclic forms due to the ability of the carbonyl group to react with a hydroxyl group within the same molecule, forming a ring structure.

Step 3: Examine the statement 'Glycosidic bonds link monosaccharide units in disaccharides and polysaccharides.' Glycosidic bonds are covalent bonds formed between the hydroxyl groups of two monosaccharides during a dehydration reaction, linking them into larger carbohydrate structures like disaccharides and polysaccharides.

Step 4: Analyze the statement 'All carbohydrates contain only carbon, hydrogen, and oxygen atoms.' This is true for most carbohydrates, as their general formula is (CH2O)n, where n is the number of carbon atoms. However, some modified carbohydrates may contain additional elements, such as nitrogen or sulfur.

Step 5: Evaluate the statement 'Cellulose is a storage polysaccharide in animals.' Cellulose is actually a structural polysaccharide found in plants, not animals. Animals store carbohydrates primarily as glycogen, making this statement incorrect.