Chapter 12

Question 1

Molds

Answer 1

long filaments of cells, hyphae

Question 2

Mass of hyphae

Answer 2

mycelium

Question 3

Yeasts

Answer 3

• unicellular, spheres

- budding or fission

Question 4

Condiospore

Answer 4

not enclosed in sac

Question 5

Sporangiospore

Answer 5

within a sac

Question 6

Sexual - 2 mating types, nuclei fuse

Answer 6

Plasmogamy
Karyogamy
Meiosis

Question 7

Four phyla of fungi

Answer 7

Zygomycota
Asocmycota
Basidomycota
Microsporidia

Question 8

Zygomycota

Answer 8

-mold
Ex. Rhizopus stolonifer, Black bread mold
Spangiospores(asexual)
Zygospores ( sexual)

Question 9

Ascomycota

Answer 9

-sac fungi
-molds, some yeast
Asexual spores (conidospores)
Ascospores- sexual spore
ex. Candida albicans

Question 10

Basidiomycota

Answer 10

-club fungi
-septae hyphae
- Basidospores- sexual spores
Some produce asexual condiospores
ex. Mushrooms, Crytococcus neoformans

Question 11

Mircosporidia

Answer 11

• lack mitochondria
• obligate intracellular parasites
• no sexual reproduction observed
• Human disease in AIDS patients

Question 12

Mycosis

Answer 12

fungal infection

Question 13

Algae

Answer 13

Photoautotrophs without tissues
Most aquatic
Asexual and sexual reproduction
Unicellular and filamentous

Question 14

Types of Algae

Answer 14

Brown algae
Red algae
Green algae

Question 15

Diatoms

Answer 15

• unicellular or filamentous
• complex cell walls with distinctive patterns
• some produce toxins and cause neurological disease

Question 16

Dinoflagellates

Answer 16

• unicellular, plankton

- many produce neurotoxins

Question 17

Protozoa

Answer 17

unicellular, eukaryotic 
water and soil 
trophozoite- feeding and growing stage 
sexual reproduction 
cyst- productive capsule; survive when temperatures not suitable 
Most aerobic heterotrophs

Question 18

Giardia lamblia

Answer 18

intestinal parasite, no mitochondria

Question 19

Trichomonas vaginalis

Answer 19

vaginal infections, no mitochondria

Question 20

Naegleria fowleri

Answer 20

meningoencephalitis

Question 21

Cryptosporidium

Answer 21

Diarrheal disease

Question 22

Trypanosoma brucei

Answer 22

african sleeping sickness

Question 23

Plasomodium

Answer 23

malaria