Carbohydrates- Biology

What is a carbohydrate?

• Compounds containing carbon, hydrogen and oxygen

• Compounds containing sodium and chlorine

• A protein

• A nucleic acid

Name a monosaccharide:

• glucose: grape juice

• starches: potato

• sucrose: beets

Name a disaccharide:

• Glucose: grape juice

• Sucrose: beets

• Starches: potato

Name a polysaccharide:

• Starches: potato

• Glucose: Grape juice

• Sucrose: beets

An example of one category of lipid naturally occurring in food would be:

• Phospholipid: cell membranes

• Glucose: Grape juice

• Saturated fats: peanut butter

• Rancidity: fatty acids broken down

An unsaturated fat would be:

• peanut butter

• potato

• fatty acids

• olive oil

One way your body breaks down lipids:

• Phospholipid: makes up cell membranes

• Rancidity: bacteria, putrid smell

How many amino acids make up the protein in our body?

• 10

• 20

• 30

• 40

How many amino acids are essential?

• 2

• 4

• 6

• 8

Name a protein and give its main function:

• Hormones: growth

• Monosaccharides: simple sugars

• Steroids: chemical messengers

• Lipids: soluble in organic solvents