Part 1

Question 1

Most bacteria are ________.

This means that they are able to survive in the environment; they do not need to be associated with another organism.

Answer 1

Most bacteria are free-living.

This means that they are able to survive in the environment; they do not need to be associated with another organism.

Question 2

What are the 2 bacterias that are:

gram negative & can only grow and survive inside a host cell (not free-living)

Answer 2

Rickettsia and Chlamydia

Question 3

1. ) Which type of bacteria is without a cell wall?
2. ) And what is the term for when a bacteria has no cell wall?
3. ) Is the stain gram negative or gram positive?
4. ) What is the staining considered when there is no cell wall?

Answer 3

1. ) Mycoplasma
2. ) pleomorphic
3. ) Gram negative
4. ) indefinite

Question 4

Bacteria usually obtain their nutrients from _________.

Answer 4

the environment

Question 5

Bacteria usually obtain their nutrients from the environment.

What are the two different types of exceptions?

Answer 5

1. ) Predatory bacteria ⇒ Vampirococcus feeds on other bacteria
2. ) Photosynthetic bacteria

Question 6

Some microorganisms make spores:

Bacteria: make _______ spores.

Fungi: produce ________ spores.

Protozoa: a small group of protozoans produce ______ spores.

(sexual or asexual)

Answer 6

Some microorganisms make spores:

Bacteria: make asexual spores.

Fungi: produce sexual and asexual spores.

Protozoa: a small group of protozoans produce asexual spores.

Question 7

When bacteria are in their _______ form, they are growing, moving, feeding, or in reproducing form.

When bacteria are in their ______ form, they are metabolically inactive or have very low metabolism.

Answer 7

When bacteria are in their vegetative / vegetation form, they are growing, moving, feeding, or in reproducing form.

When bacteria are in their dormant form, they are metabolically inactive or have very low metabolism.

Question 8

Only gram _______ bacteria make spores (endospores).

Answer 8

postive

Question 9

Vegetative cell gives rise to spore ⇒ ???

Spore form to vegetative form ⇒ ???

Answer 9

Vegetative cell gives rise to spore ⇒ mother cell

Spore form to vegetative form ⇒ germination

Question 10

What are the 2 types of spore forming bacteria?

Answer 10

Myxobacteria and Actinomycetes

Make fruiting bodies and spores like a fungus.

Do not make endospores

Question 11

Respiration

Microbe needs atmospheric oxygen.

A.) Strict / Obligate aerobe

B.) Strict/ Obligate anaerobe

C.) Aerotolerant anaerobe

D.) Facultative anaerobe

E.) Microaerophile

Answer 11

Strict / Obligate aerobe

Question 12

Respiration

Microorganism needs oxygen, but at lower concentrations found in the atmosphere.

A.) Strict / Obligate aerobe

B.) Strict/ Obligate anaerobe

C.) Aerotolerant anaerobe

D.) Facultative anaerobe

E.) Microaerophile

Answer 12

Microaerophile

Question 13

Respiration

Microorganism dies in the presence of oxygen.

A.) Strict / Obligate aerobe

B.) Strict/ Obligate anaerobe

C.) Aerotolerant anaerobe

D.) Facultative anaerobe

E.) Microaerophile

Answer 13

Strict / Obligate anaerobe

Question 14

Respiration

Microorganism does not use oxygen, but does not die if oxygen is present.

A.) Strict / Obligate aerobe

B.) Strict/ Obligate anaerobe

C.) Aerotolerant anaerobe

D.) Facultative anaerobe

E.) Microaerophile

Answer 14

Aerotolerant anaerobe

Question 15

Respiration

Microorganism does not need oxygen to grow but will use oxygen if it is present; does not die if oxygen is absent.

A.) Strict / Obligate aerobe

B.) Strict/ Obligate anaerobe

C.) Aerotolerant anaerobe

D.) Facultative anaerobe

E.) Microaerophile

Answer 15

Facultative anaerobe