gBiology core practical's

Question 1

What do you need to do with microscpes?

Answer 1

Avoid trapping air bubbles

Question 2

How do you trim size of onion sample?

Answer 2

Scalpel

Question 3

How can you stain onions?

Answer 3

Iodine solution

Question 4

What are the slips called

Answer 4

Cover slips

Question 5

How do you lower cover slips

Answer 5

Toothpic

Question 6

How do you remove excess solution

Answer 6

Tissue

Question 7

What is iodine used for

Answer 7

To stain plant cells

Question 8

What is methyleen blue used for

Answer 8

To stain animal cells

Question 9

Circular area where you see light?

Answer 9

Field of vue

Question 10

What is the tile called

Answer 10

Spotting tile

Question 11

Spotting tile enzymes

Answer 11

Iodine solution and amylase

Question 12

What do you vary in pH experiment

Answer 12

pH to see which one amylase works best at

Question 13

What colkour do proteins go with buirets solution

Answer 13

Blue to purple

Question 14

Bigger radius

Answer 14

More effective disinfectant/antibiotic

Question 15

What do you do to the forceps

Answer 15

flame forceps before touching paper discs

Question 16

What do you do to the agar bottle

Answer 16

Flame the neck of the agar bottle

Question 17

What does the plate have to be

Answer 17

Sterile

Question 18

Zone of what

Answer 18

Inhibition

Question 19

Purpose of control disc

Answer 19

To show any clear areas arouind other antibiotic discs is due to antibiotcs and nothing else

Question 20

What happens to the antibiotics

Answer 20

Antibiotics diffuese out froom paper sdiscs into surrounding medium and any bacteria that is encountered is killed