Bacteria

Question 1

What is a bacteria?

Answer 1

single-celled microbes. These are simple compared to other organisms as they have no true nucleus or membrane bound organelles.

Question 2

how many cells do bacteria consist of?

Answer 2

1 (unicellular

Question 3

how many types of shapes does bacteria have?

Answer 3

4

Question 4

Name each type + plural form .

Answer 4

1) rod shaped(bacillius /bacilli )
2) sphere shaped (coccus/cocci)
3) spiral shaped (spirillius/sprillilum)
4) comma shaped (vibrio 2x)

Question 5

Characteristics of bacteria

Answer 5

• Smallest living organism( 0.5- 5um)
• prokaryotes
• unicellular
• classified according to how obtains food (autotrophic/hetrotrophic)
• comes in different shapes
• reproduction asexually -binary fisson

Question 6

Difference between aerobic /aerobic ?

Answer 6

Aerobic: cannot survive w/o oxygen
produce more energy
settled at surface of liquid

Anaerobic: survive w/o oxygen
produce less energy
settled at bottom of liquid

Question 7

Autrophic bacteria and it’s types

Answer 7

Bacteria that can produce its own food
1) photosynthetic- gets energy from sun and does photosynthesis to obtain food

2) chemosynthetic -gets energy from chemical reactions and gets food from inorganic molecules

Question 8

Hetrotrophic bacteria and it’s types

Answer 8

Bacteria that cannot produce its own food

1) parasitic - obtain food from living organisms
2) saprophtic -obtain food from dead organic material
3) mutualistic -obtain food from organism it is in symbiotic relationship with

Question 9

Function of slime capsule in bacteria?

Answer 9

To protect cell against desiccation(drying out) and protect from enemies

Question 10

Name parts of structure of bacteria

Answer 10

Cytoplasm 
Ribosome
Cell wall
Cell membrane
Slime capsule
Nucleiod