Chemistry Of Life

Question 1

Define matter

Answer 1

Anything that has a mass and takes up space

Question 2

What are the 2 inorganic compounds?

Answer 2

Water and minerals

Question 3

What are some functions of water?

Answer 3

• Carry dissolved things around
• Support plant and animal cells as it cannot be compressed

Question 4

What are micro elements

Answer 4

Minerals needed in small amounts

Question 5

What are macro elements?

Answer 5

Minerals needed in larger amounts

Question 6

What are the main organic compounds?

Answer 6

1) Carbohydrates
2) Lipids
3) Proteins
4) Enzymes
5) Nucleic Acids and Vitamins

Question 7

What is a carbohydrate?

Answer 7

Contains C, H and O with a ratio of 2H:1O

Question 8

What are carbohydrates made from?

Answer 8

Saccharides

Question 9

What are the 3 kind of carbohydrates?

Answer 9

1) Monosaccharides
2) Disaccharides
3) Polysaccharides

Question 10

What are the monosaccharides?

Answer 10

Glucose
Fructose
Galactose

Question 11

What are the disaccharides?

Answer 11

Maltose= glucose + glucose
Sucrose = glucose + fructose
Lactose = glucose + galactose

Question 12

What are the polysaccharides?

Answer 12

Starch
Glycogen
Cellulose

Question 13

What are the importances of carbohydrates?

Answer 13

• Energy Source
• Body structure

Question 14

What are lipids made up of?

Answer 14

Glycerol and 3 fatty acids

Question 15

What are the 3 types of fatty acids?

Answer 15

1) Saturated (fats)
2) Unsaturated (oils)
3) Polyunsaturated

Question 16

What differs between the type of fatty acids?

Answer 16

The amount of Hydrogen atoms

Question 17

What is the disease called from high cholesterol

Answer 17

Atherosclerosis (narrowing of arteries)