Microbiology Ch. 12/13

A multicellular organism; the digestive tract has one opening.

• Ascomycete

• Tapeworm

• Plasmodial slime mold

• Cellular slime mold

• Euglenozoa

Which of the following statements about the Oomycote algae is false?

• They form hyphae.

• They have chlorophyll.

• They reproduce sexually.

• They produce zoospores in a sporangium.

• They cause plant diseases.

Yeast infections are caused by

• Aspergillus.

• Penicillium.

• Saccharomyces cerevisiae.

• Histoplasma.

• Candida albicans.

What do tapeworms eat?

• Intestinal bacteria

• Red blood cells

• Intestinal contents

• Plant matter

• Host tissues

Which of the following arthropods does NOT transmit diseases by sucking blood from a human host?

• Mosquitoes

• Fleas

• Kissing bugs

• Houseflies

• Lice

Assume you have isolated a multicellular heterotrophic organism that produces coenocytic hyphae, motile zoospores, and cellulose cell walls. It is most likely a(n)

• Zygomycete fungus.

• Green alga.

• Tapeworm.

• Ascomycete fungus.

• Oomycote alga.

In a food chain consisting of the following organisms, which acts as a producer?

• Slime molds

• Fungi

• Protozoa

• Lichens

The cells of plasmodial slime molds can grow to several centimeters in diameter because

• The large surface can absorb nutrients.

• They form spores.

• None of these.

• They distribute nutrients by cytoplasmic streaming.

• They have organelles.

Which stage immediately precedes the adult?

• Metacercaria

• Miracidium

• Cercaria

• Proglottid

• Redia

Amoebalike vegetative structures that produce sporangia.

• Plasmodial slime mold

• Cellular slime mold

• Tapeworm

• Ascomycete

• Euglenozoa