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59 Cards in this Set
- Front
- Back
Which of the following bacteria oxidize ammonia(NH3) to produced nitrate (NO3) |
Nitro bacter |
|
Phototrophic bacteria that use chlorophyll a are in the phylum |
Cyanobacteria |
|
Conditions become inhospitable members of the gina close tree clostridium produce an internal durable dormant form by the process of |
Sporulation |
|
What bacterial structure is responsible separating the daughter DNA molecules after replication |
Cytoplasmic membrane |
|
Some obligately anaerobic _____ are used in sewage treatment and produce a fuel thay can be used to produce electricity |
Methanogens |
|
Bergey's manual of systematic bacteriology |
Classification schemes for prokaryotes |
|
Classification of bacteria in two different phyla is based on comparisons involving which of the following |
Both DNA and protein sequences |
|
A flexible spiral shaped bacterium is called a |
Spirochete |
|
Cocci which divide along alternating planes may stick together to form |
Tetrads |
|
All taxonomists are in agreement about the taxonomic scheme set forth in bergey's manual of systematic bacteriology |
False |
|
Protozoa that have a single large mitochondria on and are fond living in animals are |
Kinetoplastids |
|
Sister chromatids separate during _____ of meiosis |
Anaphase 2 |
|
Which of the following pairs is mismatched |
Toxoplasma; cilia |
|
Myxamoebe act like protozoan amoebae only in the absence of water |
True |
|
A single celled eukaryote that is both photosynthetic and chemoheteroph is an |
Euglenid |
|
Fungi reproduce only asexually |
False |
|
Protozoa are eukaryotic organisms that lack a cell wall and can be unicelluar or multicellular |
False |
|
Which of the following is a protozoan with two nuclei and no mitochondria |
Giardia |
|
Sac like chambers at the ends of the hyphae that fill with asexual spores are characteristics of |
Zygomycota |
|
Mites are responsible for the spread of |
Disease caused by rickettsias |
|
The bacterium that causes tuberculosis can be expelled from the lungs by a cough and remain viable in the air for an hour or more if a person inhales the bacteria from the air what type of transmission has occurred |
Airborne |
|
During______ viral synthesis is suspeneded |
Latency |
|
Biofilms provide an alternate means for bacteria to attach two services within the body |
True |
|
Which of the following is not an example of symbiosis |
Microbes passing across the placenta to the fetus |
|
Protozoan and its resident bacteria invade the body or form the bacteria release toxins and enzymes and immobilized and digest the worm and the protozoan and the bacteria absorb the nutrients provided relationship between the first sewing and the bacteria would best be described as |
Mutualism |
|
Assembly of a new viruses is a process that usually requires the direction of a variety of viral and cellular enzymes |
False |
|
All verses use the host cells nucleic acid polymerases for replication |
False |
|
What is the relationships between prevalence and incidence burn acute disease like influenza |
The incidence and prevalence are essentially equal |
|
The outermost layer of a vision fulfills which of the following functions of the virus |
Both protection and recognition |
|
Which of the following is an accurate description of a virion |
An infections particle of protein and nucleic acid outside a host cell |
|
Cocci can be spherical as well as kidney shaped |
True |
|
Mycoplasmas are named for the large quantities of mycolic acid in their cell walls mycolic acid in their cell walls mycolic acid in their cell walls mycolic acid in their cell walls |
False |
|
A field biologist finds what might be a new species of prokaryote in sewage sludge it is an obligate anaerobe and metabolizes organic acids and requires hydrogen gas it lacks a peptidoglycan cell wall a new find maybe a |
Methanogen |
|
Myobacteria exhibit traits such as cooperation and differentiation not normally observed in prokaryotes |
True |
|
Bergey's manual of systematic bacteriology contains |
Classification schemes for prokaryotes |
|
Members of the streptomyces are environmentally important because they can degrade a wide range of compounds including ligin from tress chitin and ketatin from animals and latex |
True |
|
Mycoplasmas are pleomorphic because they |
Have no cell walls |
|
When an endospore germinates ot gives rise to two daughter cells called vegetative cells |
False |
|
The Archae known as halophiles |
Are members of the euryachaeota and require salt concentrations above 9% |
|
The gram positive obligate anaerobe ______causes severe diarrhea |
Clostridium difficile |
|
Which of the following pairs is mismatched |
Toxoplasma, cillia |
|
Non-motile members of the alveolata are |
The apicomplexans |
|
Sister chromatids separate during _ _ of meiosis |
Anaphase 2 |
|
An aligned pair of homologous chromosomes is called a |
Tetrad |
|
Current classification of the algae is based on morphologic characteristics |
False |
|
The classification protozoa is not an accepted taxon because it includes members of multiple kingdoms |
True |
|
A single celled eukaryote that is both photosynthetic and chemoheteroph is an |
Euglenid |
|
The asexual spores of molds are classified according to their |
Mode of development |
|
The ____ is an entire interwoven mass of one multicellular fungal organism |
Mycelium |
|
Lyme disease is vectored by ticks |
Truth |
|
An example of direct contact transmission is |
Saliva exchanged during a kiss |
|
In early spring 2009 the CDC reported several dozen cases of novel h1n1 influenza in the United States by the summer the number of confirmed cases was reported as over 40,000 the pattern of noble a 21 cases in the United States represents a |
Epidemic |
|
All viruses use the host cells nucleic acid polymerases for replication |
False |
|
Prions cause disease in |
Mammals |
|
Bacterialphage release is a gradual process in which small numbers are released at a time |
False |
|
Process of metastasis results from |
Malignant tumors |
|
Fertilized chicken eggs are used to culture some vaccine strains |
True |
|
Diseases that are induced by modern medical procedures are referred to as _____infections |
iatrogenic |
|
All infections go through stages known as incubation period prodromal period and illness |
False |