Microbiology Chapter 25

Which of the following statements regarding fungal spores are correct? Multiple select question. Spores are morphologically identical among fungi. Spores confer color to molds. Only asexual spores are stress resistant. Spores are spread through the air.

Spores confer color to molds. Spores are spread through the air.

How do yeast cells and bacterial cells compare in size? Multiple choice question. Yeast cells are smaller than bacterial cells. Both cell types are around the same size. Yeast cells are larger than bacterial cells.

Yeast cells are larger than bacterial cells.

The most common form of asexual reproduction in yeasts is known as ______________.

budding

Yeasts reproduce asexually by ______. Multiple choice question. budding sporulation binary fission fragmentation

budding

Most fungal cell walls are composed of ________________, a strong and flexible nitrogen-containing polysaccharide.

chitin

Most fungal cell walls are composed of _________________, a strong and flexible nitrogen-containing polysaccharide. Listen to the complete question

chitin

Fungal hyphae that lack cross walls and permit protoplasmic streaming throughout the hyphae are termed ______ hyphae. Multiple choice question. septate coenocytic

coenocytic

Which of the following products are derived from fungi? Multiple select question. cortisone penicillin Botox Taq polymerase

cortisone penicillin

The formation of asexual fungal spores is usually for the purpose of ______. Multiple choice question. pathogenesis in animal cells survival in harsh conditions dispersal to other locations

dispersal to other locations

Organisms in the kingdom Fungi are ______. Multiple choice question. prokaryotes eukaryotes

eukaryotes

Which of the following represent important contributions by fungi? Multiple select question. aiding digestion in ruminants fermentation of food products industrial production of butanol model systems in genetics

fermentation of food products model systems in genetics

The economic impact of pathogenic fungi is noted in their attacks on ______. Multiple choice question. marine fisheries amphibians food crops

food crops

Which of the following are characteristics of organisms in the kingdom Fungi? Multiple select question. photosynthetic form spores reproduce sexually halophilic reproduce asexually

form spores reproduce sexually reproduce asexually

A fungal gamete-producing body is called a ______. Multiple choice question. gametangium conidiospore blastospore mycelium

gametangium

Question Mode Multiple Choice Question A fungal gamete-producing body is called a ______. Multiple choice question. mycelium gametangium conidiospore blastospore

gametangium

The thallus of a mold consists of long branched filaments called _____________.

hyphae

Which of the following are typically found in yeast cells? Multiple select question. mitochondria nucleus flagella endospores

mitochondria nucleus

Select all that apply Which of the following represent important contributions by fungi? Multiple select question. industrial production of butanol model systems in genetics aiding digestion in ruminants fermentation of food products

model systems in genetics fermentation of food products

Multicellular fungi are called ______. Multiple choice question. mycorrhizae molds yeasts thalli

molds

A tangled mass of hyphae in the thallus of a mold is collectively called a(n) _____________.

mycelium

A scientist who studies fungi is called a ________.

mycologist

The term to describe the study of fungi is ___________.

mycology

Hyphae are filamentous, and their large surface area relative to cytoplasmic volume is important in ______. Multiple choice question. pheromone secretion spore formation nutrient absorption pathogenesis

nutrient absorption

Hyphae are filamentous, and their large surface area relative to cytoplasmic volume is important in ______. Multiple choice question. pheromone secretion spore formation pathogenesis nutrient absorption

nutrient absorption

Select all that apply Which of the following products are derived from fungi? Multiple select question. Botox Taq polymerase penicillin cortisone

penicillin cortisone

Mycorrhizae are fungi in a beneficial association with ______. Multiple choice question. plant roots human skin amphibians

plant roots

Fungal cells in a hypha may have their cytoplasm connected by _____. Multiple choice question. pores mycelia cell walls thalli

pores

Fungi are osmotrophs. This means that they consume ______. Multiple choice question. compounds taken up by osmosis compounds in the salt form products of their secreted degradative enzymes

products of their secreted degradative enzymes

Fungi acquire nutrients from dead organic materials. Organisms of this type are called .

saprophytes

Fungal hyphae with pore-containing cross walls to permit cytoplasmic streaming are termed ______ hyphae. Multiple choice question. aseptate septate

septate

Yeasts reproduce sexually by ______. Multiple choice question. budding fragmentation binary fission sporulation

sporulation

The body of a fungus is called a ______. Multiple choice question. mushroom thallus mycorrhiza yeast

thallus

The elongated structure of fungal hyphae represents an evolutionary advantage because ______. Multiple choice question. the thick cell walls offer protection from physical insults there is a large surface area relative to the volume of cytoplasm this permits easier movement through the soil

there is a large surface area relative to the volume of cytoplasm

The elongated structure of fungal hyphae represents an evolutionary advantage because ______. Multiple choice question. this permits easier movement through the soil the thick cell walls offer protection from physical insults there is a large surface area relative to the volume of cytoplasm

there is a large surface area relative to the volume of cytoplasm

Single celled fungi are called ______________.

yeasts

Which of the following statements comparing fungal spores and bacterial endospores is correct? Multiple choice question. Bacterial endospores and fungal spores are equally stress resistant. Fungal spores are more stress resistant than bacterial endospores. Bacterial endospores are more stress resistant than fungal spores.

Bacterial endospores are more stress resistant than fungal spores.

Select all that apply Yeasts are important in the fermentation of which types of food products? Multiple select question. Sauerkraut Beer Yogurt Soy sauce

Beer Soy sauce

Yeasts are important in the fermentation of which types of food products? Multiple select question. Yogurt Beer Sauerkraut Soy sauce

Beer Soy sauce

True or false: Cell division by mitosis is an example of sexual reproduction. True false question.TrueFalse

False

True or false: Fungal interactions with other organisms are entirely pathogenic in nature. True false question.TrueFalse

False

True or false: Fungal spore formation is always the result of meiosis. True false question.TrueFalse

False

Which of the following statements is correct regarding fungal reproduction? Multiple choice question. Fungal reproduction is entirely sexual. Fungal reproduction can be asexual or sexual. Fungal reproduction is entirely asexual.

Fungal reproduction can be asexual or sexual.

In a hyphal cell, where are the mitochondria located? Multiple choice question. In the cell wall In the lumen (i.e., cytoplasm) Attached to the plasma membrane Between the cell wall and the plasma membrane

In the lumen (i.e., cytoplasm)

Chitin is a polysaccharide consisting of what types of residues? Multiple choice question. O-acetyl deoxyribose N-acetylglucosamine β-D-glucose

N-acetylglucosamine

Chitin is a polysaccharide consisting of what types of residues? Multiple choice question. β-D-glucose N-acetylglucosamine O-acetyl deoxyribose

N-acetylglucosamine

Fungi acquire nutrients by releasing what type of chemical into their environment? Multiple choice question. Degradative enzymes Protein toxins Pheromones Alkaloids

Degradative enzymes

Select all that apply Which of the following statements regarding sexual fusion in fungi are correct? Multiple select question. Diploid zygotes may be produced by the fusion of haploid nuclei from haploid hyphae. Diploid zygotes are produced by the fusion of cytoplasm from haploid gametes. Diploid zygotes may be produced by the fusion of diploid nuclei from haploid gametes. Diploid zygotes may be produced by the fusion of haploid nuclei from haploid gametes.

Diploid zygotes may be produced by the fusion of haploid nuclei from haploid hyphae. Diploid zygotes may be produced by the fusion of haploid nuclei from haploid gametes.

True or false: Fungi that are human pathogens are still being discovered. True false question. True False

True

Select all that apply Which of the following are examples of asexual reproduction in fungi? Multiple select question. Budding from an existing cell to product a daughter cell Cell division with a central constriction and new cell wall synthesis Formation and dispersal of spores following meiosis

Budding from an existing cell to product a daughter cell Cell division with a central constriction and new cell wall synthesis

Select all that apply Which of the following are components of hyphae? Multiple select question. Outer membrane (similar to a gram-negative bacterium) Cell wall Plasma membrane Flagella

Cell wall Plasma membrane

What types of materials are degraded by fungi in the environment? Multiple choice question. Complex inorganics Complex organics Simple organics

Complex organics

Select all that apply Which of the following are components of hyphae? Multiple select question. Outer membrane (similar to a gram-negative bacterium) Flagella Plasma membrane Cell wall

Plasma membrane Cell wall