chapter 5 review microbiology

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nervous

What body system is affected by Naegleria?

The causative agent was a protozoan

What is the portal of entry into the body for Nageleria infection?

cristae

What mitochondrial structures are the site of the enzymes and carriers used to make ATP in the electron transport system?

nucleolus

What structure is found within the nucleus and is involved in the synthesis of ribosomal RNA?

microtubules

Which cytoskeletal fibers attach to and move chromosomes during mitosis?

sporozoa

Which group of protozoa is characterized by a lack of locomotive appendages and contains the pathogens of malaria and toxoplasmosis?

all correct

Which of the following is not useful to determine whether a clinical isolate is a bacterium, fungus, or protozoan? Its size under a light microscope Whether it has a cell wall Whether it can form protective structures under stress

glycocalyx

Which structure, found in most eukaryotes and often called an "extracellular matrix", can be used for attachment?

parasite

Which term most accurately describes a fungus growing on live human skin?

mycelium

Woven intertwining mass of hyphae

conidia

Free spores not enclosed within a spore-bearing sac

true

Fungi have cell walls made of peptidoglycan

spores

Fungi produce which structures for reproduction and multiplication?

feces

How does this pathogenic protozoan leave the cat host?

proteins

In both eukaryotes and bacterial cells, ribosomes are responsible for the synthesis of ______.

water heater

In case 1, what was the source of the pathogen?

Amoebiasis

Pseudopodia

hyphae

A mycelium is an intertwined mass of which type of fungal cells?

false

All microbes that are unicellular, photosynthetic, and motile are classified as protozoans.

false

Archaeal and bacterial cells use chloroplasts for the process of photosynthesis.

definitive

Cats are the only host in which Toxoplasma can sexually reproduce. Therefore, cats are the _______ host for this protozoan.

Bacterial and eukaryotic ribosomes differ in size.

Choose the statement that correctly describes the major difference between bacterial and eukaryotic ribosomes.

The helminth reproduces sexually and spends most of its life in either a single animal host or a series of animal hosts.

Choose the statement that most accurately describes a typical helminth lifestyle.

Bacteria, Archaea, and Eukaryotes

It appears that the last common ancestor gave rise to which cell type(s)?

hyphae

Long thread-like cells

malaria

Nonmotile

yeast

Oval cells that reproduce by budding

Sporangiospores

Reproductive spores produced within sac-like structures

ingestion of

The infection cycle between cats and other hosts (rodents and birds) involves _______ the pathogenic protozoan for transmission between hosts.

eukarya

The organism discussed in this article is a member of Domain ______.

flat worms: round worms

The two major types of helminths based on body type are the _______, which include the tapeworms, and the _______, which are also known as nematodes.

asexual spores

These are produced by the mitotic division of a single parent cell.

sexual spores

These are produced by the union of genetic material from two different strains.

Balantidiosis

cilia

Giardiasis

flagella


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