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Protein Purification (Biotechnolagy)

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What do Transgenic Cells make?

a)

Cells

b)

Membranes

c)

Foreign Proteins

d)

Reaction Enzymes

2.

What is Centrifugation?

a)

technique used to separate
molecules on the basis of size on density by
high speed spinning (applying centripetal
acceleration force)

b)
A method of separating particles using magnetic force
c)
A method of separating particles using gravitational force
d)
A method of separating particles using electrical force
3.

What is it called when the denser or heavier particles will go
the bottom?

a)
Sublimation
b)
Evaporation
c)
Condensation
d)

Pallet

4.

What is TWO safe use of microcentrifuges in a lab?

a)

LOAD THE ROTOR CORRECTLY
– balance with the tubes with same
amounts of water if needed

b)

If it vibrates or jumps – keep it on

c)

Make sure the centrifuge is set on
leveled steady surface

d)

Open the lid while the
centrifuge is spinning

5.

What is Chemical Breakdown

a)
The process of converting chemicals into energy
b)
The process of combining chemicals to form complex substances
c)

lysozyme or similar
enzymes (enzymes that break down cell walls
and membranes)

d)

homogenization

6.

What is Filtration?

a)
Mixing solid particles with a liquid to form a solution
b)
Adding more solid particles to a liquid or gas
c)

passing of particles
through materials with passages of
certain sizes using gravity force or aiding
with vacuum suction force

d)
Heating a liquid to separate it from solid particles
7.

What is Centrifugation?

a)

debris in a
cell

b)

debris in a
pellet

c)

debris in a
enzyme

d)

debris in a
membrane

8.

What are some buffers used in HIC

a)

Equilibration buffer,Binding buffer,Wash buffer,Elution buffer

b)
To remove impurities from the solution
c)
To decrease the pH of the solution
d)
To increase the temperature of the solution
9.

What is some examples of Protein separation using chromatography?

a)

Size exclusion

b)

Ion stealing

c)

Hydrophobic interaction

d)

Affinity
chromatography

10.

What does HIC mean in Biotech?

a)
High Income Class
b)

Hydrophobic interaction chromatography

c)
Hazardous Incident Control
d)
Housing Investment Corporation