Pre-quiz Questions for Exam 3 Flashcards

1
Q

A prokaryotic species is defined as a group of closely related organisms that breed among themselves. True or False?

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

In _______________ typing, bacteria are classified based on the types of viruses that can infect them.

A

phage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Polymerase chain reaction can be used to identify microorganisms even when it is not possible to culture the organisms in the lab. True or False

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

_________________________ are used in identification through a series of questions that have two possible answers each.

A

Dichotomous keys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Viruses are classified as prokaryotes. True or False?

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Viruses are not classified as part of any of the three domains. True or False?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A eukaryotic species is defined as a group of closely related organisms that breed among themselves. True or False?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

__________________ are maps that show evolutionary relationships among organisms.

A

Cladograms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The largest phylum of the Bacteria is the:

A

Proteobacteria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Many archaea are extremophiles. True or false?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The genus __________________ includes filamentous bacteria that can form asexual spores on the end of aerial filaments.

A

Streptomyces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The bacterium, Epulopiscium, has a volume a million times larger than that of E. coli. True or False?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The genus __________________ has some of the most complex life cycles found in bacteria, including the production of fruiting bodies.

A

Stigmatella
Myxococcus xanthus
Myxococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The bacterium, Epulopiscium, has a volume a million times larger than that of E. coli. True or False?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

___________________ is the study of fungi.

A

Mycology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The structure used by large multicellular algae to attach to surfaces is called the _______________________.

A

holdfast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Silica is found in the cell walls of ______________________.

A

diatoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Cross-walls found in the hyphae of some fungi are called:

19
Q

Unicellular algae that are free-floating, including those that cause paralytic shellfish poisoning, are collectively called ______________________.

A

dinoflagellates

20
Q

Mushrooms are found in the:

A

Basidiomycetes

21
Q

The genus ___________________ is interesting because these protozoa contain chloroplasts and a bright red eyespot.

22
Q

The genus __________________ is the cause of a roundworm disease that is contracted by humans who eat poorly cooked pork from infected pigs.

A

Trichinella

23
Q

The amoebas use by extending projections called ________________.

A

pseudopods

24
Q

The segment that makes up the body of a cestode is called a:

A

proglottid

25
Which one of the following is a cestode (tapeworm)?
Taenia
26
Which one of the following is a trematode (fluke)?
Paragonimus
27
The genetic expression of biofilm bacteria is the same as the genetic expression of planktonic bacteria. True or false?
False
28
The system of cell communication where bacteria can recognize the density of a population is known as _____________ _______________.
quorum sensing
29
Biofilms are harmful and do not provide any benefits to humans. True or false?
False
30
Biofilms form a complex vertical structure with water channels that deliver fluid and nutrients deep into the biofilm. True or False?
True
31
Evidence of biofilms has been found in rocks as old as 3.5 billion years old. True or false?
True
32
The genetic expression of biofilm bacteria differs from the genetic expression of planktonic bacteria. True or False?
True
33
Biofilms are harmful and do not provide any benefits to humans. True or false?
False
34
Biofilms form only on surfaces that stay wet all of the time. True or False.
False
35
The genetic expression of biofilm bacteria is the same as the genetic expression of planktonic bacteria. True or false?
False
36
The first synthetic sulfa drug, ________________________, laid the foundation for additional types of synthetic antimicrobials.
sulfanilamide
37
_____________________ drugs kill their target bacteria.
bactericidal
38
Which antimicrobial drugs targets the plasma membrane?
polymyxin B
39
___________________________ are a class of synthetic compounds long used against malaria.
quinolines
40
The ______________________ disk diffusion test is used at a starting point for determining susceptibility
Kirby-Bauer
41
Which of the following antimicrobial drugs targets the cell wall?
vancomycin
42
The first "magic bullet" drug, used as a treatment for syphilis, that was discovered in 1909 was ________________________________,
salvarsan
43
__________________________ drugs cause a reversible inhibition of growth.
bacteriostatic