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Microbiology > chapter 12 > Flashcards

chapter 12 Flashcards

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Biology 101 flashcards
1
Q

what are some characteristics of Protozoa

A

Eukaryotic
unicellular
classified by motility
some parasitic

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2
Q

what are habitat of Protozoa

A

require moisture
live in water and soil
can live in extreme environments

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3
Q

what’s the nutrition of Protozoa?

A

feed on plant and animal debris
absorb food through CELL MEMBRANE
vacuoles –> digestion
heterotrophic

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4
Q

what is heterotrophic

A

have to get food from the outside of body

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5
Q

what are the stages of Protozoa?

A

trophozoite and cysts

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6
Q

what is the trophozoite phase?

A

moitle, feeding stage

requires water and food

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7
Q

what is the cyst stage?

A

dormant stage –> when conditions are unfavorable

*Protozoa can flip between stages

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8
Q

Can Protozoa reproduce sexually or asexually or both?

A

both
asexual –> binary fission, budding, and schizogony
sexually –> conjugation

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9
Q

What is binary fission?

A

one cell divides into two new cells

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10
Q

what is budding?

A

protrusion off of parent cell

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11
Q

what is schizogony?

A

nucleus undergoes multiple divisions before cell divides

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12
Q

what is conjugation?

A

genetic exchange between 2 mating pairs that require CELL TO CELL CONTACT

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13
Q

What is classification of a Protozoa?

A

D: Eukarya
K: Protista
Sub-K: Protista

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14
Q

What are the characteristics of Algae?

A 
Eukaryotic
Unicellular or multicellular
classified by pigment
contain cloroplasts
photoautotrophic
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15
Q

what does photoautotrophic?

A

use light to make food.

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16
Q

what are the stucutes of algae needed to know?

A

thallus –> body
holdfast –> root
stripe –> stem
blade –> leaf

17
Q

what is the habitat of Algae

A

aquatic environment –> soil and rocks

cool water often near surface

18
Q

do Algae reproduce asexually or sexually?

A

both but mostly asexually by binary fission

19
Q

how do you classify Algae?

A

D: Eukarya
K: Protista
Sub-K: Algae

20
Q

how you classify brown algae?

A

D: Eukarya
K: Protista
Sub- K: Algae
P: Phaeophyta

21
Q

what are things to know about phylum phaeophyta?

A

brown algae –> kelp
macroscopic –> 50 meters
found in costal water
used –> ice cream, tooth paste, and hand lotion

22
Q

how do you classify red algae?

A

D: Eukarya
K: protista
sub- K: algae
P: rodophyta

23
Q

what are the uses of fungi?

A 
food chain
mushroom for food
bread beer and wine
drugs
anticancer drugs

Microbiology (12 decks)

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