Week 1 Y

Question 1

Features of the fungus hyphae
Mycellium
Spores

Answer 1

Nuclei, cell wall
Visible root like structure
Spores produced in sac called sporangium,

Question 2

The electron microscope operates on the principle of

Answer 2

E-s travelling through a vacuum

Question 3

Yeast example

Answer 3

Candida Albicans

Question 4

Who discovered link between micro organisms and disease

Answer 4

R Koch

Question 5

Who discredited spontaneous regenaration

Answer 5

Pasteur

Question 6

T or F , bacteria has several structure outside the cell wall

Answer 6

T

Question 7

Immerision oil

Answer 7

Enhances viewing of the microscope by reducing light being scattered

Question 8

Primary stain in gram staining

Answer 8

Crystal violet

Question 9

Counter stain in gram staining

Answer 9

Safranin

Question 10

Viruses description

Answer 10

Non living infectious agents, contains DNA/RNA

Needs host cell to reproduce

e.g rabies

Question 11

Bacteria

Answer 11

Prokaryotic, single cell with no nucleus

Binary fission

E.Coli

Can be beneficial or pathogenic

Question 12

Yeasts

Answer 12

Eukaryotic

Saccharomyces cerivsae

Useful in fermentation

Question 13

Protists

Answer 13

Eukaryotic

Plasmodium amoeba

Some may cause diseases