Microbiology Bacteria Review

Question 1

Type of cell which lacks a nucleus and other organelles

Answer 1

Prokaryotic

Question 2

The smallest and most common micro organisms

Answer 2

Bacteria

Question 3

Of the two bacterial kingdoms this kingdom is more closely related to eukaryotes

Answer 3

Eubacteria

Question 4

These are the most ancient organisms and live in harsh environments

Answer 4

Archaebacteria

Question 5

Bacteria cell walls which contain peptidoglycan (gram +)

Answer 5

Purple

Question 6

Graham negative cells stay in this colour

Answer 6

Pink

Question 7

Part of the cell responsible for controlling what enters and exits the bacterium

Answer 7

Cell membrane

Question 8

Peptidoglycan is found in this structure in eubacteria

Answer 8

Cell wall

Question 9

Some bacteria are propelled by this structure

Answer 9

Flagellum

Question 10

A random change in DNA of bacteria

Answer 10

Mutation

Question 11

Bacteria that can survive with or without oxygen

Answer 11

Favulative anaerobes

Question 12

Bacteria that require constant supply of oxygen in order to live

Answer 12

Obligate Aerobes

Question 13

Bacteria that live in the absence of oxygen

Answer 13

Obligate anaerobes

Question 14

Bacteria play a major role in the fixation of this gas into a form which is useable by plants

Answer 14

Nitrogen

Question 15

Spiral shaped bacteria

Answer 15

Spirilla

Question 16

Rod shaped bacteria

Answer 16

Bacilli

Question 17

Bacteria that use organic chemicals for their energy source and organic chemicals for the carbon source

Answer 17

Chemo heterotrophs

Question 18

Bacteria that use light for their energy source and you CO2 for their carbon source

Answer 18

Photo auto troughs

Question 19

___ compounds are used by camel auto trophs for a source of energy

Answer 19

Inorganic

Question 20

The process of producing energy without the use of oxygen

Answer 20

Fermentation

Question 21

What is used to treat bacterial infections

Answer 21

Antibiotics

Question 22

Enables bacteria to exchange genetic information through the production of cytoplasmic bridge

Answer 22

Conjunction

Question 23

This small circular piece of DNA is transferred during conjunction

Answer 23

Plasmid

Question 24

Asexual reproduction of bacteria where the daughter cells produced an equal size

Answer 24

Binary fission

Question 25

Formed to allow a bacteria to survive in harsh conditions they can grow and reproduce when conditions become more favourable

Answer 25

Endospores

Question 26

This simple preventative action is one of the best ways to prevent diseases

Answer 26

Hand washing

Question 27

A chemical that kills micro organisms on the skin or living tissue

Answer 27

Antiseptic

Question 28

A chemical used to kill bacteria on nonliving surfaces

Answer 28

Disinfection

Question 29

Results in bacterial strains when antibiotics are used to frequently and no longer effective

Answer 29

Superbugs (antibiotic resistance)

Question 30

Compared to viruses bacteria are much ___ in size

Answer 30

Larger

Question 31

Round shaped bacteria are called

Answer 31

Cocci