Micro Test 2

Front 1

Which of the following bacteria oxidize ammonia(NH3) to produced nitrate (NO3)

Back 1

Nitro bacter

Front 2

Phototrophic bacteria that use chlorophyll a are in the phylum

Back 2

Cyanobacteria

Front 3

Conditions become inhospitable members of the gina close tree clostridium produce an internal durable dormant form by the process of

Back 3

Sporulation

Front 4

What bacterial structure is responsible separating the daughter DNA molecules after replication

Back 4

Cytoplasmic membrane

Front 5

Some obligately anaerobic _____ are used in sewage treatment and produce a fuel thay can be used to produce electricity

Back 5

Methanogens

Front 6

Bergey's manual of systematic bacteriology

Back 6

Classification schemes for prokaryotes

Front 7

Classification of bacteria in two different phyla is based on comparisons involving which of the following

Back 7

Both DNA and protein sequences

Front 8

A flexible spiral shaped bacterium is called a

Back 8

Spirochete

Front 9

Cocci which divide along alternating planes may stick together to form

Back 9

Tetrads

Front 10

All taxonomists are in agreement about the taxonomic scheme set forth in bergey's manual of systematic bacteriology

Back 10

False

Front 11

Protozoa that have a single large mitochondria on and are fond living in animals are

Back 11

Kinetoplastids

Front 12

Sister chromatids separate during _____ of meiosis

Back 12

Anaphase 2

Front 13

Which of the following pairs is mismatched

Back 13

Toxoplasma; cilia

Front 14

Myxamoebe act like protozoan amoebae only in the absence of water

Back 14

True

Front 15

A single celled eukaryote that is both photosynthetic and chemoheteroph is an

Back 15

Euglenid

Front 16

Fungi reproduce only asexually

Back 16

False

Front 17

Protozoa are eukaryotic organisms that lack a cell wall and can be unicelluar or multicellular

Back 17

False

Front 18

Which of the following is a protozoan with two nuclei and no mitochondria

Back 18

Giardia

Front 19

Sac like chambers at the ends of the hyphae that fill with asexual spores are characteristics of

Back 19

Zygomycota

Front 20

Mites are responsible for the spread of

Back 20

Disease caused by rickettsias

Front 21

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

Back 21

Airborne

Front 22

During______ viral synthesis is suspeneded

Back 22

Latency

Front 23

Biofilms provide an alternate means for bacteria to attach two services within the body

Back 23

True

Front 24

Which of the following is not an example of symbiosis

Back 24

Microbes passing across the placenta to the fetus

Front 25

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

Back 25

Mutualism

Front 26

Assembly of a new viruses is a process that usually requires the direction of a variety of viral and cellular enzymes

Back 26

False

Front 27

All verses use the host cells nucleic acid polymerases for replication

Back 27

False

Front 28

What is the relationships between prevalence and incidence burn acute disease like influenza

Back 28

The incidence and prevalence are essentially equal

Front 29

The outermost layer of a vision fulfills which of the following functions of the virus

Back 29

Both protection and recognition

Front 30

Which of the following is an accurate description of a virion

Back 30

An infections particle of protein and nucleic acid outside a host cell

Front 31

Cocci can be spherical as well as kidney shaped

Back 31

True

Front 32

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

Back 32

False

Front 33

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

Back 33

Methanogen

Front 34

Myobacteria exhibit traits such as cooperation and differentiation not normally observed in prokaryotes

Back 34

True

Front 35

Bergey's manual of systematic bacteriology contains

Back 35

Classification schemes for prokaryotes

Front 36

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

Back 36

True

Front 37

Mycoplasmas are pleomorphic because they

Back 37

Have no cell walls

Front 38

When an endospore germinates ot gives rise to two daughter cells called vegetative cells

Back 38

False

Front 39

The Archae known as halophiles

Back 39

Are members of the euryachaeota and require salt concentrations above 9%

Front 40

The gram positive obligate anaerobe ______causes severe diarrhea

Back 40

Clostridium difficile

Front 41

Which of the following pairs is mismatched

Back 41

Toxoplasma, cillia

Front 42

Non-motile members of the alveolata are

Back 42

The apicomplexans

Front 43

Sister chromatids separate during _ _ of meiosis

Back 43

Anaphase 2

Front 44

An aligned pair of homologous chromosomes is called a

Back 44

Tetrad

Front 45

Current classification of the algae is based on morphologic characteristics

Back 45

False

Front 46

The classification protozoa is not an accepted taxon because it includes members of multiple kingdoms

Back 46

True

Front 47

A single celled eukaryote that is both photosynthetic and chemoheteroph is an

Back 47

Euglenid

Front 48

The asexual spores of molds are classified according to their

Back 48

Mode of development

Front 49

The ____ is an entire interwoven mass of one multicellular fungal organism

Back 49

Mycelium

Front 50

Lyme disease is vectored by ticks

Back 50

Truth

Front 51

An example of direct contact transmission is

Back 51

Saliva exchanged during a kiss

Front 52

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

Back 52

Epidemic

Front 53

All viruses use the host cells nucleic acid polymerases for replication

Back 53

False

Front 54

Prions cause disease in

Back 54

Mammals

Front 55

Bacterialphage release is a gradual process in which small numbers are released at a time

Back 55

False

Front 56

Process of metastasis results from

Back 56

Malignant tumors

Front 57

Fertilized chicken eggs are used to culture some vaccine strains

Back 57

True

Front 58

Diseases that are induced by modern medical procedures are referred to as _____infections

Back 58

iatrogenic

Front 59

All infections go through stages known as incubation period prodromal period and illness

Back 59

False