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 atoms are found in all carbohydrates?

Carbon, nitrogen, and oxygen

Carbon, hydrogen, and oxygen

Hydrogen, oxygen, and sulfur

Carbon, phosphorus, and hydrogen

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Verified step by step guidance

Step 1: Begin by understanding the definition of carbohydrates. Carbohydrates are organic molecules composed of carbon (C), hydrogen (H), and oxygen (O) atoms, typically in a ratio of 1:2:1.

Step 2: Recall the general formula for carbohydrates, which is often expressed as \( C_x(H_2O)_y \). This formula indicates that carbohydrates are made up of carbon, hydrogen, and oxygen atoms.

Step 3: Eliminate options that include atoms not typically found in carbohydrates. For example, nitrogen, sulfur, and phosphorus are not standard components of carbohydrates.

Step 4: Focus on the correct combination of atoms found in all carbohydrates: carbon, hydrogen, and oxygen. These are the essential elements that define the structure of carbohydrates.

Step 5: Confirm your understanding by reviewing examples of carbohydrates, such as glucose (\( C_6H_{12}O_6 \)) and sucrose (\( C_{12}H_{22}O_{11} \)), which clearly show the presence of carbon, hydrogen, and oxygen atoms.