Question: Carbohydrates

Answer: Made of elements: C, H, O - in 1:2:1 ratio

Question: Lipids

Answer: Made of elements: C, H, O - mostly long hydrocarbon (C-H) chains

Question: Proteins

Answer: Made of elements: C, H, O, N, S

Question: Nucleic acids

Answer: Made of elements: C, H, O, N, P

Question: Carbohydrates

Answer: Monomer building blocks are MONOSACCHARIDES (SINGLE SUGARS) Glucose (blood sugar) / Fructose (fruit sugar) / Galactose (makes lactose in milk)

Question: Carbohydrates

Answer: Structure: GLUCOSE

Question: Carbohydrates

Answer: - Energy storage (4 Cal/g)

• Structural support molecules

• Question: Carbohydrates

• Answer: - SUGARS for short-term energy storage

• - Polysaccharides for long-term energy storage (STARCH in plants, GLYCOGEN in animals)

• - CHITIN makes hard exoskeletons of insects, crustaceans, and fungi

• - CELLULOSE makes plant cell walls

• Question: Lipids

• Answer: No repeating monomers, but made of: GLYCEROL or PHOSPHATE HEAD & FATTY ACID CHAINS

• Question: Lipids

• Answer: Structure: Triglyceride