Unit 2: Biochemistry

Question 1

What are the 4 Macromolecules?

Answer 1

1. Carbohydrates
2. Proteins
3. Lipids (fats)
4. Nucleic Acids

Question 2

What is the Monomer of Protien?

Answer 2

Amino Acids

Question 3

What is the monomer of Nucleic acids?

Answer 3

Nucleotides

Question 4

What are the monomers of Lipids (fats)?

Answer 4

Glycerol and three fatty acids

Question 5

What is the monomer of Carbohydrates?

Answer 5

Monosaccharides

Question 6

True or False:
Atoms contain an equal number of protons and electrons

Answer 6

True

Question 7

Ions contain an unequal number of protons and electrons

Answer 7

True

Question 8

Hydrolysis

Answer 8

When water breaks down a big molecule into small pieces

Question 9

Condensation

Answer 9

When smaller molecules are joined together to make a big molecule (water is removed)

Question 10

Redox Reaction

Answer 10

When electrons are lost by one atom and gained by another.

Question 11

Neutralization

Answer 11

When an acid and a base react to form water and a salt.

Question 12

Anabolic Reaction

Answer 12

Builds up molecules

Question 13

Catabolic Reaction

Answer 13

Breaks down molecules

Question 14

Active Transport

Answer 14

Requires ATP

Question 15

Passive Transport

Answer 15

Does not require cellular energy

Question 16

Hypotonic Solution

Answer 16

A solution with a LOWER concentration of solute than another solution.

Question 17

Hypertonic Solution

Answer 17

A solution with a HIGHER concentration of solutes than another solution.

Question 18

Nutrient Testing Colours: Benedicts Reagent

Answer 18

Blue to green to orange

Question 19

Nutrient Testing Colours: Lugol’s Solution

Answer 19

Stays Light brown-yellow

Question 20

Nutrient testing colours: Sudan IV

Answer 20

Produces bright red colour

Question 21

Nutrient testing Colours: Biuret’s

Answer 21

produces deep purple colour