Unit 1 Exam - Quiz

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Please choose the statement that is incorrect about fungi to test your understanding of their importance in ecology, agriculture, commerce, and medicine.

Fungi are only detrimental to the food industry.

All of the following are prion diseases, except

Hemorrhagic fever

Which of the following is a sexually transmitted disease?

Trichomoniasis

Which step is present in bacteriophage multiplication but not in multiplication of an animal virus?

Viral genetic material is injected into the host cell.

What are characteristics of a narrow host range?

a virus only binds to a specific protein on a single tissue type

Tissue nematodes complete their life cycle in the__________, lymphatics, or skin.

blood

Round bacterial cells growing in irregular clusters would be best described as:

Staphylococci

In the domain Eukarya you will find these characteristics or abilities: (select all that apply)

can reproduce both sexually and asexually can be single-cell have cell walls

The Symptoms that Occur in Cyclic 48- to 72-Hour Episodes in a Malaria Patient are

chills, fever, and sweating.

The provirus state exists when

double-stranded viral DNA is integrated into host cell chromosome.

During the life cycle of a parasitic helminth, development of larvae occurs in the __________ host, while mating between adults occurs in the __________ host.

intermediate, definitive

Other than maintaining the shape of the cell, what is the primary function of the cell wall, and which component contributes most to this function?

maintaining strength; peptidoglycan

Bacterial species are defined in a fundamentally different way than mammalian species are. This is because

mammals reproduce sexually while bacteria reproduce asexually.

Choose the answer that fills in the blanks of this sentence in the correct order. Of the microscopic fungi, __________ are filamentous fungi made of long thread-like cells called hyphae while __________ are round or oval-shaped

molds; yeast

Bacteria with flagella dispersed the surface of the cell is described as:

peritrichous

Transmission of the Pathogen of Leishmaniasis is by the

phlebotomine (sand) fly.

Diseases transmitted by vectors include

trypanosomiasis and leishmaniasis.

What is the nucleocapsid made of? (select all)

viral genome capsid proteins

Choose the answer that fills in the blanks of this sentence in correct order. The cell __________ is found in fungi and algae to provide structure and support while the cell __________ is found in all eukaryotic cells, is composed of phospholipids, proteins and sterols, and separates the internal cell components from the external environment.

wall; membrane

Lipopolysaccharide is an important cell wall component of gram negative bacteria that is ____________ (select all that apply).

when released is toxic during infections is also known as an endotoxin on the outer layer


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