Food / Chemistry of Life

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What is the general formula of carbohydrates?

Cx(H2O)y
What elements do carbohydrates contain?
- Carbon
- Hydrogen
- Oxygen
What is the ratio of hydrogen molecules to oxygen molecules? (In carbohydrates)

Carbohydrates have twice as many hydrogen molecules as oxygen molecules.
What are the types of carbohydrates?
- Sugars
- Starch
- Cellulose
What are the classifications of carbohydrates?
- Monosaccharides
- Disaccharides
- Polysaccharides
What are the properties of monosaccharides?
- Single sugar units
- Soluble in water
- Sweet to taste
What are 2 examples of monosaccharides?
- Glucose
- Fructose
What is a source of monosaccharides?

Fruit
What are the properties of disaccharides?
- Two sugar units
- Soluble in water
- Sweet to taste
What are 2 examples of disaccharides?
- Sucrose
- Lactose
What are 2 sources of disaccharides?
- Table sugar
- Milk
What are the properties of polysaccharides?
- Many monosaccharide sugar units linked together
- Not soluble in water
- Doesn’t taste sweet
What are 2 examples of polysaccharides?
- Starch
- Cellulose
What are 3 sources of polysaccharides?
- Bread
- Pasta
- Cereals
What is the structure role of carbohydrates?
- Cellulose: found in plant cell walls.
- Chitin: found in fungal cell walls.
What is the metabolic role of carbohydrates?
- Respiration: Glucose- immediate source of energy.
- Photosynthesis: glucose is made from CO2 and water using the suns energy (photosynthesis).
What are storage carbohydrates (in plants/animals)?
- Starch : in Plants
- Glycogen: in Animals

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jacquelineglynn

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Food / Chemistry of Life

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Updated

2021-07-11T20:21:42Z

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