Micro-organisms Flashcards
0
Q
Draw and label diagram of amoeba
A
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1
Q
3 shapes where by bacteria are classified
A
Rod (tetanus)
Spherical (pneumonia)
Spiral (syphilis)
2
Q
Amoeba structures and functions
A
- Cell membrane - retains the cell contents and allows for has exchange
- Nucleus - maintains the integrity DNA and controls cellular activity
- Food vacuoles - secrete acids to kill prey, produces enzymes to digest prey
- Pseudopodia - movement and engulf prey
- Contractile vacuole - eliminates water and prevents the cell from bursting
3
Q
To which Kingdom do Amoeba belong
A
Protista
4
Q
Describe and explain the importance of modes of nutrition exhibited by fungi
A
Parasites
- feed on plants(soft rots) and animals(athletes foot)
- obligate feed on live host but don’t kill
- facultative kill host and feed on dead remains
Saprophytes
- in soil, rotting leaves, trees, dead animals
- mushrooms and moulds
- material digested, minerals released
5
Q
How does yeast survive
A
Asexual reproduction by budding
6
Q
Name a human disease caused by ringworm
A
Athletes foot
Ringworm
7
Q
Experiment to grow yeast
A
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