Exam 1 - Ch.12 - Characterizing and Classifying Prokaryotes

Question 1

What eukaryotic microbes are of clinic interest?

Answer 1

Protozoa
Fungi
Parasitic helminths

Question 2

What types of reproduction occur in Eukaryotes?

Answer 2

Sexual and asexual

Question 3

What are the varieties of asexual reproduction in Eukaryotes?

Answer 3

Binary fission
Budding
Fragmentation
spore formation
schizogony

Question 4

How to Eukaryotes produce sexually?

Answer 4

By producing gametes and zygotes.

Question 5

Which Eukaryotes of interest produce both asexually and sexually?

Answer 5

Fungi and protozoa

Question 6

Which eukaryotic cells require moist environments?

Answer 6

protozoa

Question 7

Most protozoa reproduce ____?

Answer 7

asexually

Question 8

Protozoa typically lack a ____ and are characterized by great _____? Very few are _____.

Answer 8

Cell wall
morphological diversity
pathogens

Question 9

All protozoa produce ____.

Answer 9

trophozoites

Question 10

Some protozoa produce ___?

Answer 10

cysts

Question 11

Some protozoa have this feature that actively pump water from the cells.

Answer 11

contractile vacuoles

Question 12

What do the contractile vacuoles do for the protozoa?

Answer 12

Protect them from osmotic lysis.

Question 13

What stage is the active mobile feeding stage of the protozoa?

Answer 13

Production of trophozites

Question 14

What stage is the hardy resting stage (dormant) of protozoa?

Answer 14

Production of cysts.

Question 15

What is the significance of fungi?

Answer 15

Produce antibiotics

Can spoil fruit, pickles, jams and jellies

Question 16

What is a fungus that can cause disease in humans called?

Answer 16

mycoses (mycosis singular form)

Question 17

What percentage of fungi can cause diseases in plants, animals, and humans?

Answer 17

30%

Question 18

What is the non-reproductive body of a fungus called?

Answer 18

thallus

Question 19

The thalli of molds are composed of long, branched, tubular filaments called what?

Answer 19

hyphae

Question 20

Fungi produce two types of thalli that are called what?

Answer 20

dimorphic

Question 21

Generally, what form of fungi cause diseases?

Answer 21

Yeast form

Question 22

What is a tangled mess of hyphae called?

Answer 22

mycelium

Question 23

The mycelium are typically ____.

Answer 23

subterranean

Question 24

What are the two dimorphic forms of fungi?

Answer 24

Yeast-like form and

mold-like form (filamentous)

Question 25

What types of reproduction occur in fungi?

Answer 25

Sexual and asexual

Question 26

All fungi have some for of this type of reproduction.

Answer 26

asexual

Question 27

Most forms of fungi also reproduce _____.

Answer 27

Sexually

Question 28

Yeasts reproduce in a manner similar to prokaryotic _____.

Answer 28

budding

Question 29

What are a series of bud that remain attached to one another in a parent cell called?

Answer 29

pseudohypha

Question 30

What yeast is an example of pseudohypha?

Answer 30

Candida albicans

Question 31

What types of spores do filamentous fungi produce? What do they do?

Answer 31

Lightweight spores that disperse over large distances.