OLIGODYNAMIC ACTION

Question 1

What is oligodynamic action

Answer 1

The ability of small amounts of heavy metals to exert a lethal effect on bacteria

Question 2

Define oligos and dynamis

Answer 2

Oligos - small
dynamis - power

Question 3

The effectiveness of small amounts of metal is probably due to…..

Answer 3

it is due to the high affinity of cellular proteins for the metallic ions

Question 4

T/F:
Cells die due to the cumulative effects of ions within the cell

Answer 4

TRUE

Question 5

Where can the characteristic of certain heavy metals applied to?

Answer 5

Water purification, ointment manufacture, and the treatment of bandages and fabrics

Question 6

What is the process of producing a bacterial lawn?

Answer 6

covering the whole agar plate with the swab dipped into a broth culture. Streak while rotating it thrice

Question 7

How do heavy metal ions kill cells?

Answer 7

by binding to enzymes and causing the enzymes to denature

Question 8

T/F:
Denatured enzymes lose their shape and can no longer carry out their function

Answer 8

TRUE

Question 9

What are the 4 metal chloride discs used in the oligodynamic action?

Answer 9

BaCl2, FeCl3, NiCl2, and CuCl2