Biology: Test: Microbiology
During a latent infection caused by a virus, the viral replication is...until some outside stimulant causes the virus to enter the lytic cycle.
postponed indefinitely
A virion is able to recognize the correct host cell when the...of the host cell and the viral attachment protein of the virion match up
receptor site
One of the limitations of the light microscope is the...
resolving power
Select the kingdoms where all eukaryotes are classified.
Protista Animalia Fungi Plantae
Agaricus bisporis
common edible mushroom
Viruses which typically have a lipid covering called an envelope are released from the host cell through...
viral budding
Select the false statement about diatoms.
Diatoms provide plants with a source of fertilizer.
The fuzzy-looking structures in a mold colony are called sporangium.
False
In common mold, the...is the tiny stalk-like structure that support the fruiting bodies where spores are produced and released.
stolon
Ceratocystis ulmi
elm tree parasite
Bacteria share genetic material through the processes called bacterial conjugation, transformation, and...
transduction
Bacteria which are part of the normal flora may cause disease when the immune system is compromised. This ailment is called a(n)...
opportunistic infection
Two parts of the Plasmodium erythrocytic cycle affect the human host in the follow ways. The...is responsible for the clinical symptoms of malaria in one human host, and the...releases spores into the human's blood that make it possible for the malaria to be passed on to a... and then to another human.
asexual portion , sexual portion, mosquito
Saccharomyces cerevisiae
baker's yeast
During the feeding phase of the cellular slime mold, the organism exists as an amoeba-like body of...that feed on organic material, bacteria, and fungus. If food becomes scarce, some of the cells of the slime mold emit a...that other slime mold cells react to and they gather into a larger, single slimy mass. This is the slug phase because the mass looks and acts much like a slug. From the slug phase,...will evolve and individual spores are released that are capable of becoming new individual amoeba-like cells, and they enter the feeding phase.
cells, chemicals, fruiting bodies
Thermoacidophiles thrive in...environments.
hot, acidic
The thread-like structures which are the building blocks of fungi are called...
hyphae
Through the process of... , an amoeba creates a food vacuole where digestion continues.
phagocytosis
Which substance is responsible for the red color in red algae?
phycoerythrin
The earth's oceans have a salinity of approximately 3.5% while the Dead Sea has a salinity of approximately...
30%-35%
The members of the phylum...are all parasitic.
Apicomplexa
...is composed of large deposits of the silicon exoskeletons of members of the phylum Bacillariophyta.
Diatomaceous earth
Fungi are prokaryotes.
False
Select reasons that members of the phylum Chytridiomycota are sometimes grouped in the kingdom Protista, rather than the kingdom Fungi.
Most members are aquatic. The reproductive cells have flagellum.
...is the material found in the bacterial cell wall that forms a molecular basis of the Gram stain
Peptidoglycan
Who is credited with discovering penicillin?
Sir Alexander Fleming
Select reasons why euglena have in the past been classified as protozoans.
They are motile. They have no cell wall. They have a pellicle.
A zygospore is the product of sexual reproduction.
True
The cell wall of fungi is composed of chitin, the same material found in the exoskeleton of a lobster.
True
Which phylum is NOT part of the kingdom Protista?
Zygomycota
Which item is NOT associated with the phylum Rhodophyta?
algin
Fungi are commonly grouped as sac fungi or club fungi, based on the structure of their fruiting bodies.
True
...is the structure within a protozoan where enzymes are secreted to digest.
food vacuole
The Anopheles mosquito is the...for malaria.
insect vector
Rickettsia is an example of an...which can only replicate inside a host cell.
obligate intracellular parasite
All known diseases caused by prions affect the...of the host organism.
nervous system
The insect vector for Plasmodium vivax is the
Anopheles mosquito
...is a group of bacteria that used to be classified as algae.
Cyanobacteria
...is caused by four known Plasmodium species which rely on a mosquito insect vector.
Malaria
Penicillium chrysogenum
produces common antibiotic
Select the kingdoms where all prokaryotes are classified.
Eubacteria Archaea
Ascomycota is an example of a kingdom.
False
First,...stain is applied, a series of rinses are used, and then a...stain is applied. A...bacteria culture will stain purple or blue, while a...bacteria culture will stain pink.
crystal violet safranine Gram-positive Gram-negative
...is the structure which is not part of the process of phagocytosis in a ciliate.
cytoplasmic bridge
The break-down of complex molecules into simpler ones is called...
fermentation
The kingdom...contains prokaryotic organisms.
Eubacteria
