Flashcards in Chapter 3- Food And Biomolecules Deck (18):
What are functions for food?
Grow and repair
Control chemical reactions
What are the major molecules found in food?
Elements of carbohydrates?
Structure of carbohydrates?
Monosaccharides- single sugar molecules (glucose)
Disaccharides- Double sugar molecules (sucrose)
Polysaccharides- many sugar units (glycogen)
Sources of carbohydrates?
Monosaccharides- fruit (glucose)
Disaccharides- Sugar (sucrose)
Polysaccharides- Bread (glycogen)
Structural role of carbohydrates?
Chitin forms skeleton of insects
Metabolic role of carbohydrates?
Starch is a storage carbohydrate (glucose in plants)
Glycogen stores carbohydrates in animals
Structure of lipids?
Glycerol and 3 fatty acids- triglyceride
Glycerol and 2 fatty acids and a phosphate- phospholipid
Structural role of lipids?
Glucose is an immediate source of energy
Metabolic role of lipids
Lipids release energy when broken down in respiration
Structure of Protein
Amino acids connected by a peptide bond
Sources of protein
Structural role of protein
Found as keratin in hair
Metabolic role of protein
Enzymes are made of protein
Source of vitamin C
Deficiency of vitamin C
Source of vitamin D