F.3 Requirements Of Bacteria

Question 1

Bacterial cultures

Answer 1

Culturing/ growing (creating) bacteria

Question 2

Microorganisms

Answer 2

Any organism that is too small to be seen with the naked eye

Question 3

Sterile/ aseptic techniques

Answer 3

All equipment used to handle bacteria must be sterilized to remove/ kill all microorganisms present (can be killed using heating under pressure, flaming or chemical means like bleach)

Question 4

Contaminant

Answer 4

Unwanted microorganisms that get into samples were working with

Question 5

Autoclave

Answer 5

strong heated container used for chemical reactions and other processes using high pressures and temperatures

Question 6

Petri dish

Answer 6

Shallow, circular dish used for culturing microorganisms

Question 7

Inoculating loop

Answer 7

Tool used to pick up and transfer a small sample from a culture of microorganisms

Question 8

Agar

Answer 8

Jelly like substance used to grow bacteria

Question 9

Photosynthetic vs Chemosynthetic

Answer 9

Photo - plants use energy from the sun and convert it into chemical energy

Chemo - process by which nutrients are created (by bacteria) using chemicals as the energy source rather than sunlight

Question 10

Aerobic vs Anaerobic

Answer 10

Aerobic - needs oxygen to carry out cellular respiration
Anaerobic - can’t use oxygen because it’s lethal to the organism, undergoes fermentation rather than cellular respiration