Infectious protein particles are called
Prions
Viruses have all of the following except
Metabolism
Cilia are found in certain
Protozoa
Which organelle contains enzymes for ATP
Mitochondria
Which of the following parts of a virus is not always present
envelope
The capsomers are made of
Protein
Which is not a characteristic of fungi?
Fungi are photosynthetic
How do enveloped animal viruses exist their host?
Budding or exocytosis
The most common helminthic infection in the U.S. is caused by a tapeworm.
False
All of the following are sources of human infections with helminths except
Contaminated air
Red Tide occurs when his organism has a rapid amount of growth (bloom) along the coastline
Dinoflagellates
Fungi are autotrophic
False
The event that occurs in bacteriophage multiplication that does not occur in animal virus replication is
injection of the viral nucleic acid into the host cell
Chaga's disease is a common protozoal infection caused by which organism?
Trypanosoma cruzi
Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called
Latent
Cell walls are not found on typical cells of
Protozoa
The virus
induced, specific damages to the host cell that can be seen in a light, microscope is called
The eukaryotic cell's glycocalyx is
Mostly polysaccharide
Mushrooms are often seen sprouting from lawns because if there is enough sunlight for grass to grow, there is generally enough sunlight for mushrooms to photosynthesize.
False
Filamentous fungi are called
Molds
Satellite viruses are
Dependent on the other viruses for replication
Organelles fund in algae but not found in protozoa or fungi are the
Chloroplasts
Viral infections are easier to treat with drugs than bacterial infections.
False
Resistance factor plasmid are transferred to other bacterial cells during conjugation.
True
All of the following is correct about treating viral diseases except
Viruses are killed by the same antibiotics that kill bacteria
Host cells of viruses include
All of the choices are correct (Plants and fungi, human and other animals, bacteria, and protozoa and algae)
An organelle that is a stack of flattened, membranous sacs and functions to receive, and modify, and package proteins for cell secretion is the
Golgi apparatus
The core of every virus particle always contains
Either DNA or RNA
Protists include
Algae and protozoa
Chitin is chemical component of the cell walls
Fungi
Host range is limited by
Type of cell receptors on cell membrane
In general, RNA viruses multiply in the cell __, and DNA viruses multiply in the cell _.
Cytoplasm, nucleus
The correct sequence of events in viral multiplication is
adsorption, penetration, replication, assembly, maturation, release
The Kirby
Bauer test uses an agar surface, seed with the test concentration of several drugs are placed on the surface.
There are fewer antifungal, antiprotozoan, and anthelminthic drugs compared to antibacterial drugs because these organisms
Are similar to human cells that selective drug toxicity is difficult to achieve.
What do zygospores, and basidiospores have in common?
They are sexual spores
The motile, feeding stage of protozoa is called
Trophozoite
Which of the following is not a mode of action of an antiviral?
Bond to ergosterol in the cell membrane
Contained fresh water that enters the nose can results a devastating infection of the brain. The organism that causes this infection is known as ____.
Naegleria fowleri
Mycosal infections of the hair are classified as
Cutaneous
Antivirals that target reverse transcriptase would be used to treat
HIV
Superinfections results from
Decrease in most normal microbiota with overgrowth of an unaffected species
Which of the following spores are produced within a sac?
Sporangiospores
Creutzfeld
Jacob disease is
When a virus enters a lysogenic phase, it means
The virus is integrated into the DNA of the host cell and is latent.
Why has the United States and Europe banned the use of human drugs in animal feeds?
Because it contributes to the growing drug resistance problem
Which of the following describes the mechanism of action for AZT?
It is a thymine analog that interferes with the synthesis of DNA from HIV RNA template.
Fungi that grow as yeast at one temperature but will grow as mold at another temperature are called
Dimorphic
Which body system is mainly affected by Creutzfeldt
Jacob syndrome?
Viruses cannot multiply unless it invades a host cell; therefore, they are considered
True intracellular parasites