Enzymes

Question 1

Large macromolecules which c____ many b___ reactions

Answer 1

catalyze
biological

ENZYMES

Question 1

what can enzymes provide to increase reaction

Answer 1

lower activation energy

Question 2

ENZYME CLASSIFICATION

catalyzes redox reactions; transfer of e-

Answer 2

Oxidoreductase

Question 3

ENZYME CLASSIFICATION

transport of one functional group from one molecule to another

Answer 3

Transferase

Question 4

ENZYME CLASSIFICATION

cleave covalent bonds by addition of water thru the process of HYDROLYSIS

Answer 4

Hydrolase

Question 5

ENZYME CLASSIFICATION

attaches molecules together

Answer 5

Ligase

Question 5

ENZYME CLASSIFICATION

rearranges the structure and shape of a molecule

Answer 5

Isomerase

Question 6

ENZYME CLASSIFICATION

creates or reduces double bonds by addition of small molecules (H20, CO2, NH3)

Answer 6

Lyase

Question 7

2 TYPES of enzymes

Answer 7

Simple and Conjugate

Question 8

What TYPE of ENZYME consists entirely of proteins with no other components needed to function

Answer 8

Simple enzyme

Question 8

What TYPE of ENZYME consists of other components other than proteins

Answer 8

Conjugate enzyme (Holoenzyme)

Question 9

2 parts of a conjugate enzyme

Answer 9

Apoenzyme (protein)
Cofactor (non-protein)

Question 10

3 TYPES of cofactors

Answer 10

activators (cations for temporary binding)
prosthetic groups (organic group for permanent binding)
coenzymes (organic molecules for temporary binding with substrate)

Question 11

Parts of enzyme (4)

Answer 11

Active site (where substrate binds)
Substrate (the molecules needed to react TO TURN to products)
Enzyme
Products

Question 12

The sum of chemical reactions to maintain living state

Answer 12

metabolism

Question 13

2 products of metabolism

Answer 13

cell membrane - proteins and lipids

Question 14

what MODEL says that an enzyme’s active site has a specific shape that a substrate can fit into

and when

Answer 14

“Lock and Key Model”

1894

Question 15

New name for the lock and key model

and what happens here

Answer 15

Induced-fit model

active site changes shape for induced fit

Question 16

Advantages and Disadvantages of computer models

Answer 16

A:
- multiple models can be accessed at once
- can be accessed anywhere
- easy storage and correction

D:
- gadget
- internet connection
- prior bg knowledge for full interpretation

Question 17

in PDB, which setting will give a more 3d effect

Answer 17

space-feeling/line

Question 18

in PDB, which setting will give more info re beta sheets and alpha helics

Answer 18

cartoon