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

Nucleic Acids

Biochemistry

1. Introduction to Biochemistry

Nucleic Acids

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Multiple Choice

In nucleic acids, what type of bonds connect the deoxyribose sugars to the phosphate groups in the backbone of DNA?

Glycosidic bonds

Phosphodiester bonds

Hydrogen bonds

Peptide bonds

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Verified step by step guidance

Understand the structure of DNA: DNA is composed of a sugar-phosphate backbone and nitrogenous bases. The backbone consists of alternating deoxyribose sugars and phosphate groups.

Identify the type of bond connecting the deoxyribose sugars to the phosphate groups: These bonds are covalent bonds that form between the hydroxyl group (-OH) on the 3' carbon of one sugar and the phosphate group attached to the 5' carbon of the next sugar.

Learn the specific name of these bonds: The covalent bonds connecting the sugars and phosphate groups are called phosphodiester bonds. They are essential for the stability and integrity of the DNA backbone.

Differentiate phosphodiester bonds from other types of bonds: Glycosidic bonds connect sugars to nitrogenous bases, hydrogen bonds connect complementary bases in the DNA double helix, and peptide bonds are found in proteins, not DNA.

Conclude that phosphodiester bonds are the correct answer: These bonds are responsible for linking the deoxyribose sugars to phosphate groups in the DNA backbone, ensuring the structural framework of the molecule.