Chapter 20 This is fine mess: protist lab quiz

How many flagella do protists known as choanoflagellates have?

1

Cellular slime molds are placed in which phylum?

Acrasiomycota

Which supergroup of protists would you investigate to control the devastating effects of "red tide"?

Alveolata

Name the flagellate that lives symbiotically with the termites and aids in cellulose digestion.

Trichonympha

The phylum Apicocomplexa is so named because these organisms possess microtubules at the________ end of the organism, which are visible only by means of________?

apical, electron microscopy

Saprolegnia, a water mold, has a cell wall composed of______. True fungi have cell walls composed of________.

cellulose, chitin

This protist phylum is considered to be the most structurally complex.

ciliophora

Members of the phylum bacillariophyta have a test composed of 2 halves. Name these organisms.

diatoms

Limestone deposits are formed by which of the following protists?

foraminifera

Female Volvox spp. are different from the male Volvox spp. because they produce________.

macrogametes

Name this stage in the life cycle of plasmodium spp.

mature schizont

What is the life cycle sequence of the plasmodium spp.?

none of these

The amoeba uses_______ to capture food.

pseudopodia

Green algae can be found growing on________.

sidewalks automobiles trees (all of these)

Name this organism.

spirogyra

Felines are the primary host of which apicomplexan?

toxoplasma gondil

Name the flagellate

trypanosoma sp.

What type of membrane is noted when hemoflagellate are viewed under the microscope?

undulating

What is typically used to encourage bacterial growth in a laboratory preparation of protists?

yeast

What is the result of fusion of two protoplasts in the profit. Spirogyra?

zygote

Protists can function in the environment as _____.

autotrophs heterotrophs parasites (all of these)

Giardia intestinalis, a parasitic flagellate, has modified mitochondria known as mitosomes. What is unique to these organelles?

do not generate ATP directly

Freshwater "ich", or white spot disease, is caused by________.

ichthyophthirius multifilis, a ciliate

Phagosomes digest food by fusing with________.

lysosomes

The color of red algae comes from________.

phycobilins

Careful observation through the stereomicroscope, of the plasmodial slime mold physarium , may show movement. What is occurring?

protoplasmic streaming

Name this type of amoeba- like organism.

radiotarian

For the qualitative study of protists using wet-mount compound microscopy, what can be applied to the preparation to slow down their activity?

soap

What flagellate exists in symbiotic relationship with termites?

trichonympha

______is the organism responsible for causing African sleeping sickness.

trypanosoma brucei