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

Carbohydrates may form larger carbon-based macromolecules by combining with which of the following elements?

Calcium, magnesium, and zinc

Nitrogen, phosphorus, and sulfur

Gold, silver, and platinum

Helium, neon, and argon

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Verified step by step guidance

Understand the structure of carbohydrates: Carbohydrates are organic molecules composed of carbon, hydrogen, and oxygen. They can form larger macromolecules by interacting with other elements through covalent bonding.

Identify the elements that commonly combine with carbohydrates: Nitrogen, phosphorus, and sulfur are essential elements in biochemistry. They are often found in macromolecules like glycoproteins, glycolipids, and nucleotides, which involve carbohydrates.

Eliminate incorrect options: Calcium, magnesium, and zinc are metals that typically form ionic bonds rather than covalent bonds with carbohydrates. Gold, silver, and platinum are noble metals and do not commonly interact with carbohydrates in biological systems. Helium, neon, and argon are inert gases and do not form bonds with carbohydrates.

Focus on the correct answer: Nitrogen, phosphorus, and sulfur are biologically relevant elements that can combine with carbohydrates to form larger macromolecules. For example, nitrogen is found in amino sugars, phosphorus in phosphorylated sugars, and sulfur in sulfated polysaccharides.

Conclude the reasoning: The correct answer is based on the biochemical relevance of these elements in forming complex macromolecules with carbohydrates, which are essential for various biological functions.