Biology: Enzymes

Question 1

enzymes

Answer 1

controller of all chemical reactions in the body, therefore control metabolism
proteins
organic catalysts
lower activation energy

Question 2

how many known enzymes are there

Answer 2

over 2000

Question 3

caralysts

Answer 3

speed up rates of chemical reactions

Question 4

activation energy

Answer 4

the energy that must be overcome in order for a chemical reaction to occur

Question 5

composition of enzymes

Answer 5

apoenzyme (protein part)
coenzyme (vitamin or a mineral)
holoenzyme (complete functional enzyme)

Question 6

what do enzymes normally end with

Answer 6

-ase

Question 7

What determines the specificity of the enzyme?

Answer 7

active site

Question 8

lock and key theory

Answer 8

each enzyme is specific for only one substrate

Question 9

enzyme substrate complex

Answer 9

the enzyme forms a close physical bond with substrate, breaks substrate into smaller simpler parts

Question 10

what are factors that influence rate of enzyme action

Answer 10

pH level
temperature
concentrations of enzyme and substrate