Ch 5 openstax microbiology

Which genus includes the causative agent for malaria

Plasmodium

Which protist is a concern because of its ability to contaminate water supplies and cause diarrheal illness

Giardia lamblia

A fluke is classified within

Platyhelminths

A nonsegmented worm is found during a routine colonoscopy of an individual who reported having abdominal cramps nausea and vomiting. This worm is likely a

nematode

A segmented worm has male and female reproductive organs in each segment. Some use hooks to attach to the intestinal wall. Which type of worm is this?

cestode

Mushrooms are a type of

basisiocarp

Which of the following is the most common cause of human yeast infections

Candida albicans

Which of the following is an ascomycete fungus associated with bat droppings that can cause a respiratory infection if inhaled?

Histoplasma capsulatun

Which polysaccharide found in red algal cell walls is a useful solidifying agent

Agar

Which is the term for the hard outer covering of some dinoflagellates

theca

Which protists are associated with red tides

dinoflagellates

You encounter a lichen with leafy structures. which term describes this lichen?

foliose

The term for the outer layer of a lichen

Cortex

The fungus in a lichen is

An ascomycete

The plasma membrane of a protist is called the

Plasmalema

Animals belong to the same supergroup as the kingdom

Fungi

Flukes are in class

Trematoda

A species of worm in which there a distinct male and female individuals is described as

dioecious

Nonseptate hyphae are also called

coenocytic

Unicellular fungi

Yeasts

Some fungi have proven medically useful because they can be used to produce

Antibiotics

Structures in chloroplasts used to synthesize in store starch are called

Pyrenoids

Algae with chloroplasts with three or four membrane's are the result of

Secondary Endosymbiosis

What are Kinetoplastids

Any of the group of flagellate protozoa, characterized mainly by the presence of one or two flagella arising from a depression in the cell body and a kinetoplast within the large mitochondrion that extends the length of the body.

Aside from a risk of birth defects what other effect might a toxoplasmosis infection have?

Altering infected humans behavior and personality traits

What is the function of the ciliate macronucleus

The macronucleus derives from the micronucleus. the macronucleus becomes polyploid, has multiple sets of duplicate chromosomes and has a reduced set of metabolic genes. Chromosomes in the macronucleus replicate repeatedly. And macronucleus reaches its polyploid state and the two cells separate.

What is the best defense against tapeworm infection

Not eating undercooked contaminated meat

Which genera of fungi are common dermatophytes (fungi that cause skin infections)

(Ascomycetes) Trichophyton, Microsporum, Epidermophyton

What is a dikaryotic cell

Has two distinct nuclei

What is the distinctive feature of diatoms

A unique feature of diatom cells is that they are enclosed within a cell wall made of silica (hydrated silicon dioxide) called a frustule.

Why are Algae not considered parasitic

They're not typically pathogenic although some produce toxins. Dinoflagellates, red tide