Characterizing And Classifying Prokaryotes & Eukaryotes Flashcards Preview

Microbiology Exam One > Characterizing And Classifying Prokaryotes & Eukaryotes > Flashcards

Flashcards in Characterizing And Classifying Prokaryotes & Eukaryotes Deck (43):
0

What shape is a coccus bacteria?

Spherical

1

What shape is a bacillus bacteria?

Rod shaped

2

What shape is a vibrio bacteria?

Comma shaped

3

What shape is a spirochete bacteria?

Corkscrew

4

If a bacteria can change its shape, what kind of morphology does it represent?

Pleomorphic

5

All prokaryotes reproduce in which way?

Asexually

6

What are the three main asexual methods of reproduction?

Binary fission, snapping division, budding

7

What is the most common form of asexual reproduction among prokaryotes?

Binary fission

8

What is the name the original cell in binary fission, and what is the name of the resulting cells?

1 parent cell, 2 daughter cells

9

Which type of asexual reproduction among prokaryotes results in two final cells that do not fully separate but partially remain attached by a hinge like structure?

Snapping division

10

What is the final product of budding?

One parent cell and one daughter cell

11

What is the term for two cocci together?

Diplococci

12

A chain of cocci bacteria is called what?

Streptococci

13

A four square appearance of cocci bacteria is called what?

Tetrads

14

A cluster of cocci bacteria is known as what term?

Staphylococci

15

A bundle of 8 cocci bacteria is called what?

Sarcinae

16

What is the name of the v-shape morphological arrangement of bacilli?

Palisade

17

What is the composition of the cell wall of acid-fast bacteria (mycobacteria)?

Waxy, mycolic acid in cell wall

18

What is the type of bacteria that has no cell wall?

Mycoplasma

19

What type of bacteria has a fried egg appearance when grown on media?

Mycoplasma (bacteria with no cell wall)

20

Where do bacteria without cell walls tend to colonize?

In osmotically protected habitats like animals and human bodies

21

Pertussis is what kind of current disease?

Re-emerging

22

Pertussis usually occurs in what age group?

Children

23

Schizogony primarily occurs among what group of eukaryotes?

Fungi

24

Do most protozoa have a cell wall?

No

25

What type of environment is required for protozoa?

Moist environments

26

Are the majority of protozoa pathogens?

No

27

What is a trait that well characterizes protozoa?

Great morphological diversity

28

How do protozoa reproduce?

Asexually only

29

All protozoa produce what structures?

Trophozoites

30

What is the purpose of contractile vacuoles?

They actively pump water from the cells to protect them from osmotic lysis

31

What is the motile feeding stage of a protozoa?

Trophozoites

32

What is the hardy resting stage of a protozoa?

Cysts

33

If a contractile vacuole of a protozoa is contracting in a solution, what type of solution is the cell in?

Hypotonic

34

Fungi can produce what significant product?

Antibiotics

35

What percentage of fungi can actually cause disease?

30%

36

What is the term for a fungal infection?

Mycosis

37

What is the nonreproductive part of a fungus?

Thallus

38

What are the long, branched, tubular filaments of the thalli of molds called?

Hyphae

39

What is the term for fungi that can produce 2 types of thalli?

Dimorphic

40

What is the term for a tangled mass of hyphae?

Mycelium

41

Can all fungi reproduce sexually?

No but most. All can reproduce asexually.

42

What emerging disease affecting the immunocompromised and has been seen on marijuana plants?

Aspergillosis