Podcast
Questions and Answers
Which of the following organic compounds is used as the first source of energy in the body?
Which of the following organic compounds is used as the first source of energy in the body?
- Nucleic Acids
- Carbohydrates (correct)
- Proteins
- Lipids
Which organic compound is essential for carrying hereditary information in the form of DNA and RNA?
Which organic compound is essential for carrying hereditary information in the form of DNA and RNA?
- Lipids
- Nucleic Acids (correct)
- Proteins
- Carbohydrates
Which of the following food groups contains a high amount of lipids (fats)?
Which of the following food groups contains a high amount of lipids (fats)?
- Fruits and Vegetables
- Grains
- Meats and Nuts (correct)
- Dairy Products
Which organic compound is primarily responsible for the production of enzymes, hormones, and antibodies?
Which organic compound is primarily responsible for the production of enzymes, hormones, and antibodies?
Which of the following elements is NOT found in proteins?
Which of the following elements is NOT found in proteins?
Flashcards
Carbohydrates
Carbohydrates
Organic compounds made of Carbon, Hydrogen, and Oxygen; serve as energy sources in the body.
Lipids (fats)
Lipids (fats)
Fats made of Carbon, Hydrogen, and Oxygen; important for building body structures and hormone production.
Proteins
Proteins
Organic compounds containing Carbon, Hydrogen, Oxygen, and Nitrogen; essential for building tissues and enzymes.
Nucleic Acids
Nucleic Acids
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Functions of Carbohydrates
Functions of Carbohydrates
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Study Notes
Four Groups of Organic Compounds
-
Carbohydrates:
- Elements: Carbon, Hydrogen, Oxygen
- Food sources: Sugars, starches, fiber (glucose, sucrose, fructose)
- Found in: Plants, fruits, grains, vegetables
- Functions: First source of energy, building blocks, cell structure.
-
Lipids:
- Elements: Carbon, Hydrogen, Oxygen
- Food sources: Fats, oils, avocado, nuts, eggs, cheese, milk.
- Functions: Energy storage (second source), insulation, cell membranes, hormones.
-
Proteins:
- Elements: Carbon, Hydrogen, Oxygen, Nitrogen
- Food sources: Meat, eggs, milk, fish, beans, nuts.
- Functions: Build and repair tissues, enzymes, hormones, antibodies.
-
Nucleic Acids:
- Elements: Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus
- Food sources: High protein foods, body milk
- Functions: Carry genetic information (DNA, RNA), protein synthesis.
Uses of Compounds in the Body and Cells
- Carbohydrates: Short-term energy, source of creating ATP. Components of cell walls.
- Lipids: Long-term energy storage, major component of cell membranes.
- Proteins: Build body tissues, enzymes, hormones, antibodies.
- Nucleic Acids: Carry genetic information, essential for protein production.
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