CSI Wallace

Question 1

Structures found in plant but not animal cells

Answer 1

Cell wall, chloroplasts, vacuole

Question 2

Cell structure that provides structural support

Answer 2

Cell wall

Question 3

Complementary base pairs

Answer 3

A-T; C-G

Question 4

Enzymes are made from …

Answer 4

protein

Question 5

The active site of an enzyme is complementary to one…

Answer 5

substrate

Question 6

Structure of DNA

Answer 6

double helix

Question 7

Cell structure that is required for making energy by respiration

Answer 7

Mitochondria

Question 8

Molecule that carries a complementary copy of DNA from the nucleus to ribosomes

Answer 8

mRNA

Question 9

Proteins are made from long chains of…

Answer 9

amino acids

Question 10

Cell structure where mRNA is made

Answer 10

Nucleus

Question 11

Substrate of the enzyme catalase

Answer 11

Hydrogen peroxide

Question 12

Substrate of the enzyme amylase

Answer 12

Starch

Question 13

Products of a reaction catalysed by catalase

Answer 13

Oxygen and water

Question 14

Temperature at which an enzyme performs best is called its…

Answer 14

optimum

Question 15

Repeating an experiment will make the results more…

Answer 15

reliable

Question 16

When an enzyme is boiled, it is denatured and the activity…

Answer 16

reduces

Question 17

An enzyme activity can be affected by these 2 factors

Answer 17

pH and temperature

Question 18

Reason why DNA can be used to help solve crimes

Answer 18

DNA is unique to each person

Question 19

Technique used to look at the differences between DNA from different people.

Answer 19

DNA fingerprinting

Question 20

Role of enzymes

Answer 20

Speed up biological reactions