Biomolecules

Question 1

What are Carbohydrates?

Answer 1

Provide short term energy

Includes important molecules sugars and starch

Question 2

What are lipids?

Answer 2

Long term energy storage

Organic compounds including fats, phospholipids, waxes, and steroids

Question 3

What are proteins?

Answer 3

Direct and control the chemical reactions in life

Question 4

What are Nucleic Acids?

Answer 4

Form the important hereditary molecule DNA, which determines the formation of substances characteristics of any particular species

Question 5

Nucleic acid is also closely related to DNA’s molecular cousin…

Answer 5

RNA

Question 6

What is the ratio for a monosaccharide?

Answer 6

1-2-1

Carbon-hydrogen-oxygen

Question 7

What is a monosaccharide?

Answer 7

• Any class of sugar

- Cannot be hydrolyzed to give a simpler sugar.

Question 8

Hydrophobic definition

Answer 8

Does not mix with water

Question 9

Hydrophilic definition

Answer 9

Mixes with water

Question 10

Phospholipid bilayer definition

Answer 10

A thin polar membrane made of two layers of lipid molecules

• hydrophilic “heads”
• hydrophobic “tails”