Chapter 3

Question 1

What are examples of Monosacharrides ?

Answer 1

Galactose & Fructose

Question 2

How are dissacharides formed?

Answer 2

They are formed by joining pairs of monosacharrides by dehydration reaction.

Question 3

How are polysaccharides formed ?

Answer 3

A long chain of monosaccharides linked by glycosidic bonds

Question 4

What are lipids ?

Answer 4

A diverse group of compounds that are non polar

Question 5

Why are lipids important ?

Answer 5

they provide insulation from the environment for plants and animals

Question 6

What is the difference between saturated and unsaturated fatty acids ?

Answer 6

Unsaturated fatty acids DO NOT contain double bonds.
Saturated fatty acids contain double bonds

Question 7

Which two carbon molecules form a saturated or unsaturated fatty acid ?

Answer 7

Carbon-carbon s

Question 8

How many types of protein structures are there ?

Answer 8

1. Primary
2. Secondary
3. Tertiary
4. Quaternary

Question 9

What are the two main types of nuclei acids ?

Answer 9

DNA & RNA

Question 10

What is the difference between DNA and RNA ?

Answer 10

RNA is single helix , DNA is double helix