Physical methods: filter sterilization

Question 1

Filtration avoids the use of

Answer 1

heat on

sensitive liquids and gases

Question 2

pores of silter are too small for ?

Answer 2

organisms to pass through

Question 3

pores allow ?

Answer 3

liquid or gas to pass through

Question 4

Depth filters is made of

Answer 4

Fibrous sheet or mat made from an

array of fiber (paper or glass).

Question 5

Depth filters are used to sterilize

Answer 5

liquid and air

Question 6

some depht filters are also called HEPA filters,HEPA ?

Answer 6

high-efficiency particulate air filter

Question 7

even if HEPA takes out 99.9% bacterias is doesn’t?

Answer 7

ensure sterilization

Question 8

3 kind of filters?

Answer 8

• Depth filter

- Membrane filter

Question 9

Membrane filters functions more like a ?

Answer 9

sieve

Question 10

a type of membrane filter is the?

Answer 10

nucleation track (nucleopore) filter

Question 11

filtration speed can be increased by?

Answer 11

syringe,pump or vacuum

Question 12

if u don’t have much to sterilize u can use an?

Answer 12

syringe plus filter

Question 13

if u have a lot ?

Answer 13

use a pump ta pumps it into a sterile bottler but it pases through a filter before