Carbohydrates and Lipids Quiz

What are the functions of carbohydrates?

Energy source and structural source

What elements do carbohydrates contain?

Carbon, Hydrogen, Oxygen

What are the three types of carbohydrates?

Monosaccharides, Disaccharides, Polysaccharides

What are the two steps in a Condensation Reaction?

Water is lost and a molecule is built

What are the three polysaccharides produced from condensation reactions of glucose molecules?

Starch, Glycogen,Cellulose

Starch

A storage polysaccharide in plants, moderately branched

Glycogen

A storage polysaccharide in animals, highly branched

Cellulose

Found in plant cell walls, unbranched

What are the steps in hydrosis?

Adding water and deconstructing a molecule

Do all sugars have an oxygen connected to every carbon?

No, not all oxygens can bond to carbons due to the hydroxyl groups in carbohydrates.

What are the functions of lipids?

Lipids are an energy source, cell membranes, leaf protection, and hormones.

What are the elements in lipids?

Carbon Hydrogen, Oxygen (very little oxygen)

What are two functional groups in lipids?

Carboxyl groups and Carbonyl Group

What are the four types of lipids?

Triglycerides, Phospholipids, Waxes, Steroids

What is the monormer for a lipid?

Fatty acid

What are the differences between fatty acids?

Unsaturated vs. Saturated, Cis vs. Trans

What is the difference between saturated and unsaturated fats?

Saturated fats have no double bonds while unsaturated have one double bond

How many fatty acids are connected to a glycerol in a triglyceride molecule?

3

How many fatty acids are connected to a glycerol in a phospholipid molecule?

2

How many fatty acids are in waxes?

1

How many fused hydrocarbon rings are in steroid molecules?

4

What element is found in phospholipids but not other lipids?

Phosphorus

What a the monomers of triglycerides?

Glycerol and Fatty Acids

How many bonds do carbons share with other molecules?

4