Micro Chapter 5

Fungi that grow as yeast at one temperature but will grow as mold at another temperature are called A. Dimorphic B. Saprobes C. Pseudohyphae D. Spores E. Parasites

A. Dimorphic

Which organelle contains cristae where enzymes and electron carriers for aerobic respiration are found? A. Mitochondria B. Lysosomes C. Golgi apparatus D. Chloroplasts E. Endoplasmic reticulum

A. Mitochondria

The eukaryotic cell's glycocalyx is A. Mostly polysaccharide B. The site where many metabolic reactions occur C. Also called the cell wall D. Composed of many diverse proteins E. Protection against osmotic lysis

A. Mostly polysaccharide

Cell walls are not found on typical cells of A. Protozoa B. Algae C. Fungi D. Bacteria E. All of the choices are correct

A. Protozoa

Cilia are found in certain A. Protozoa B. Algae C. Fungi D. Bacteria E. All of the choices are correct

A. Protozoa

When buds remain attached, they form a chain of yeast cells called A. Pseudohyphae B. Septa C. Molds D. Dimorphic E. Mycelium

A. Pseudohyphae

Most fungi obtain nutrients from dead plants and animals. These fungi are called A. Saprobes B. Parasites C. Substrates D. Nonseptate E. Dimorphic

A. Saprobes

The motile, feeding stage of protozoa is called the A. Trophozoite B. Cyst C. Sporozoite D. Oocyst E. Food vacuole

A. Trophozoite

Protists include A. Yeasts and molds B. Algae and protozoa C. Helminths D. All of the choices are correct E. None of the choices are correct

B. Algae and protozoa

During unfavorable growth conditions, many protozoa can convert to a resistant, dormant stage called a/an A. Endospore B. Cyst C. Seed D. Trophozoite E. Sporozoa

B. Cyst

A _____ originates from the golgi apparatus as one type of vesicle that contains a variety of enzymes for intracellular digestion. A. Perixosome B. Lysosome C. Magneto some D. Inclusion E. Ribosome

B. Lysosome

There are nine peripheral pairs and one central pair of _____ found inside eukaryotic flagella and cilia. A. Filaments B. Microtubules C. Flagella D. Cilia E. None of the choices are correct

B. Microtubules

Protozoan endoplasm contains A. Ectoplasm B. Mitochondria C. Flagella D. Oral groves E. None of the choices are correct

B. Mitochondria

The site for ribosomal RNA synthesis is the A. Ribosome B. Nucleolus C. Nucleus D. Golgi apparatus E. Lysosome

B. Nucleolus

Which is not a characteristic of fungi? A. Cells have cell walls B. Photosynthetic C. Include single-celled and filamentous forms D. Heterotrophic nutrition E. Can use a wide variety of nutrients

B. Photosynthetic

In eukaryotic cells, ribosomes have two locations: scattered in the _____ and on the surface of _____. A. Cytoplasm, golgi apparatus B. Nucleus, golgi apparatus C. Cytoplasm, endoplasmic reticulum D. Cytoplasm, golgi apparatus E. Nucleus, endoplasmic reticulum

C. Cytoplasm, endoplasmic reticulum

Chitin is a chemical component of the cell walls of A. Protozoa B. Algae C. Fungi D. Bacteria E. All of the choices are correct

C. Fungi

An organelle that is a stack of flattened, membranous sacs and functions to receive, modify and package proteins for cell secretion is the A. Mitochondria B. Lysosomes C. Golgi apparatus D. Chloroplasts E. Endoplasmic reticulum

C. Golgi apparatus

The long, thread-like branching cells of molds are called A. Conidiophores B. Pseudohyphae C. Hyphae D. Septate E. Ascus

C. Hyphae

The eukaryotic cell organelle that most resembles a bacterial cell is the A. Nucleus B. Golgi apparatus C. Mitochondria D. Lysosome E. Ribosome

C. Mitochondria

Filamentous fungi are called A. Pseudohyphae B. Septa C. Molds D. Dimorphic E. Mycelium

C. Molds

Which of the following is not a function of the eukaryote glycocalyx? A. Protection B. Adherence C. Movement D. Reception of chemical signals E. All of the choices are functions

C. Movement

What two categories of fungi cause human diseases? A. Primary and secondary B. Primary and vegetative C. Opportunistic and primary D. Secondary and opportunistic E. Vegetative and reproductive

C. Opportunistic and primary

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear A. His tones B. Chromatin C. Pores D. Endoplasmic reticulum E. Inclusions

C. Pores

The eukaryote cell membrane is composed of A. Sterols B. Proteins C. Phospholipids D. All of these E. Only sterols and phospholipids

D. All of these

Which organelle is found in algae but not found in protozoa or fungi? A. Mitochondria B. Lysosomes C. Golgi apparatus D. Chloroplasts E. Endoplasmic reticulum

D. Chloroplasts

The endosymbiotic theory has been developed to explain the emergence of A. Archea B. Bacteria C. Prokaryotes D. Eukaryotes E. None of the choices are correct

D. Eukaryotes

In eukaryotic cells, which of the following contains DNA? A. Nucleus, mitochondria, Golgi apparatus B. Nucleus, endoplasmic reticulum, Golgi apparatus C. Nucleus, nucleolus, Golgi apparatus D. Nucleus, chloroplast, mitochondria E. Nucleus, chloroplast, peroxisome

D. Nucleus, chloroplast, mitochondria

Histones are A. Found in polyribosomes B. Enzymes found in lysosomes C. Proteins of the cytoskeleton D. Proteins associated with DNA in the nucleus E. On the surface of rough endoplasmic reticulum

D. Proteins associated with DNA in the nucleus

The size of a eukaryotic cell ribosome is A. 30S B. 40S C. 50S D. 70S E. 80S

E. 80S

Which of the following is found in eukaryotic cells but not in prokaryotic cells? A. Nucleus B. Mitochondria C. Endoplasmic reticulum D. Lysosomes E. All of the choices are correct

E. All of the choices are correct

Fungal asexual spores A. Are only produced under harmful environmental conditions B. Are only asexually produced C. Cannot be seen in a light microscope D. Are produced by molds but not by yeasts E. Are used to identify fungi

E. Are used to identify fungi

All of the following are found in some or all protozoa except A. Motility B. Ectoplasm and endoplasm C. Heterotrophic nutrition D. Formation of a cyst stage E. Cell wall

E. Cell wall

When a eukaryotic cell is not undergoing mitosis, the DNA and its associated proteins appear as a visible thread-like mass called the A. Nuclear envelope B. Nucleosome C. Nucleolus D. Nucleoplasm E. Chromatin

E. Chromatin

Eukaryotic flagella differ from prokaryotic flagella because only eukaryotic flagella A. Are used for cell motility B. Facilitate chemo taxis C. Facilitate photo taxis D. Are long whip-like structures E. Contain microtubules

E. Contain microtubules

The cell's series of tunnel-like membranes functioning in transport and storage are the A. Mitochondria B. Iysosomes C. Golgi apparatus D. Chloroplasts E. Endoplasmic reticulum

E. Endoplasmic reticulum

The woven, intertwining mass of hyphae that makes up the body of a mold is a/an A. Septum B. Rhizoid C. Spore D. Bud E. Mycelium

E. Mycellum

Plankton are floating communities of helminths. True or False.

False

All algae have chloroplasts. True or False.

True

Chromosomes are generally not visible in the nucleus unless the cell is undergoing nuclear division. True or False

True

Infections caused by fungi are called mycoses. True or False.

True

Rough endoplasmic reticulum is studded with ribosomes. True or False.

True