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

3. Amino Acids

Essential Amino Acids

Biochemistry

3. Amino Acids

Essential Amino Acids

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 fatty acids are considered essential fatty acids in humans?

Palmitic acid and stearic acid

Oleic acid and arachidonic acid

Lauric acid and myristic acid

Linoleic acid (omega-6) and alpha-linolenic acid (omega-3)

Previous problemNext problem

Verified step by step guidance

Understand the concept of essential fatty acids: Essential fatty acids are those that cannot be synthesized by the human body and must be obtained through the diet. These are typically polyunsaturated fatty acids.

Identify the two main types of essential fatty acids in humans: Linoleic acid (omega-6) and alpha-linolenic acid (omega-3). These are crucial for various physiological functions, including cell membrane structure and signaling pathways.

Review why other fatty acids listed in the problem are not considered essential: Fatty acids like palmitic acid, stearic acid, oleic acid, arachidonic acid, lauric acid, and myristic acid can either be synthesized by the body or are not classified as essential due to their roles and availability.

Understand the significance of omega-6 and omega-3 fatty acids: Linoleic acid (omega-6) is a precursor for arachidonic acid, which is involved in inflammatory and immune responses. Alpha-linolenic acid (omega-3) is a precursor for eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are important for cardiovascular and neurological health.

Conclude that linoleic acid and alpha-linolenic acid are the correct answers based on their essentiality and inability to be synthesized by humans, emphasizing their dietary importance.