Microbio Finale pt III

B. DNA

poxiviridae nucleic acid type is __________

A. RNA

B. DNA

B. DNA

Herpeesviraidae nucleic acid type is __________

A. RNA

B. DNA

B. DNA

Papillomaviridae nucleic acid type is __________

A. RNA

B. DNA

Herpesviridae

chickenpox shingles and CMV infections causative agent is _______________

varcella zoster

chickenpox is caused by VZV which is _______________ virus

human papillomavirus (HPV)

several types of warts are caused by _________virus

capsid

a _________ is a protien coat that encloses and protects the nucleic acid

True

T/F all viruses have a capsid

capsomres

identical protien subunits that make up capsids are called ____________

RNA and DNA

name 2 types of nucleic acids

False (It can only be one or the other)

T/F viruses can be RNA **and** DNA

B. DNA

Hepadnaviridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Picornaviridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Flaviviridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Flioviridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Reoviriridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Orthomyxoviridae nucleic acid type is __________

A. RNA

B. DNA

A. RNA

Paramyxoviridae nucleic acid type is __________

A. RNA

B. DNA

nucleocapsid

the capsid together with the nucleic acid is called a _____________

B. Noneveloped

A ________________ virus is a naked virus that only contains the a capsid and nucleic acid

A. Enveloped

B. Noneveloped

A. Enveloped

A _______________ virus that contains spikes, a membrane, a capsid, a matrix and nucleic acid

A. Enveloped

B. Noneveloped

B. Noneveloped

A _____________ viruses resistance to decontamination is moderate

A. Enveloped

B. Noneveloped

A. Enveloped

____________ viruses are less resistant to decontamination

A. Enveloped

B. Noneveloped

lysogenic

the ______________ state is the state where **viral** reproduction can take place without the hosts cell being destroyed

lytic

the ___________state is viral reproduction the causes complete lysis of the hosts cell essentially destroying it

bacteriophage

a virus that infects a bacteria is called a ______________

5,4,2,6,3,1

Order viral replication 1-6


1. Relase
2. Uncoating
3. Assembly
4. Pentration
5. Attachment
6. Replication

plasmids

__________ are small sperate circular DNA carrying molecules found in microorganisms that replicate separately from hosts chromosomal DNA

genome

___________ is all of a organisms genetic material (the sum)

mutation

a spontaneous error in gene replication leads to ____________

False (plasmids are extra chromosomal DNA that is separate and replicate independently as well)

T/F plasimids are required for formal synthesis of DNA

Missense

______________mutation cause a change in a single amino acid to be incorporated into a protien EX: THE BIG **M**AD CAT ATE THE FAT RED BUG

A. Back

B. Missense

C. Silent

D. Frameshift

E. Nonsense

Nonsense

________________ mutation changes a normal codon into a stop codon resulting in premature termination of protien synthesis EX: THE BIG BAD **XXX (**__**stop**__**)**

A. Back

B. Missense

C. Silent

D. Frameshift

E. Nonsense

Silent

_____________ is a mutation that alter a base but does NOT change the amino acid

A. Back

B. Missense

C. Silent

D. Frameshift

E. Nonsense

Back

_________ mutations are muted genes that revert back to its original composition

A. Back

B. Missense

C. Silent

D. Frameshift

E. Nonsense

frameshift

____________ mutation(s) is when the reading frame of mRNA is altered and every amino acid after the mutation is altered there are 2 types deletion(

C, D

Which of the following mutations would be classified as a **frameshift** mutation

A. THE **BI**G BAD CAT ATE THE FAT RED BUG

B THE BID **XXX** (**stop**)

C. THE BIG BA**B** DCA TAT ETH EFA TRE DBU G→

D. THE BIG \* ADC ATA TET ATR EDB UG

1. Conjugation
2. Transformation
3. Transduction

name 3 types of genetic recombination

Hfr (high frequency recombination)

(Genetic recombination)

_______________ is a type of conjugation where only **a portion of** the donors fertility plasmid and chromosome is integrated into the bacterial recipient via pili (this does NOT result in 2 F+ cells)

conjugation

(Genetic recombination)

____________ is the transfer of a plasmid or chromosomal fragment from a donor cell to a recipient cell via direct contact (pili) resulting in 2 F+ cells

transformation

(Genetic recombination)

chromosome fragments from lysed cells that are accepted by recipient cells is called _________________

False (transformation can happen between unrelated donor and recipient)

T/F transformation can only happen between **related** donor and recipient

Transformation of Griffiths work CH 9 slides 23-24 (flashcard

transduction

(Genetic recombination)

______________ is when a bacteriophage serves as a carrier of DNA from donor to recipient

A. Generalized

_______________ transduction is random fragments of disintegrating hosts DNA picked up by a bacteriophage

A. Generalized

B. Specialized

B. Specialized

______________ transduction is when a highly specific part of the hosts genome (sum of genetic material) is regularly incorporated into the virus

A. Generalized

B. Specialized

thymine dimers

nonionizing radiation interferes with DNA synthesis by creating _______________

C. High

Prions and bacterial endospores are considered ____________ resistance organisms

A. Moderate

B. Low

C. High

vegetative

actively growing cells are called __________ cells

microbicides

chemicals that kill microorganisms are called ___________________ EX: bacteriocide fungicide virucide sporidicide

sterilization

the destruction of all microbial life including spores is called _____________

disinfection

_____________ eliminates majority if not all microorganisms with the exception of bacterial spores from **in**animate objects

Antisepsis

__removing/destroying__ pathogens from __living tissue__ is called _____________

sterile

aseptic technique preforms procedures under ___________ conditions

degermination

reduction of microbial load from living tissue by mechanical means is called ______________ EX: hand washing

decontamination

the destruction removal or reduction of dangerous chemicals and other infectious materials/microbes is called _________________

autoclave

a machine that sterilizes with steam under pressure a 121 C for

10-40 mins is called a ____________ (pressure increases steam temp)

lyophilization

freeze drying for preservation is called ______________

desiccation

dehydrating/ drying out is called ____________

A. nonionizing

______________ radiation cannot pass through a barrier and disinfect EX: UV

A. nonionizing

B. ionizing

B. ionizing

____________ radiation has the ability to pass through barriers and sterilizes EX: X-rays, cathode, gamma

A. nonionizing

B. ionizing

B. Physical

Heat-dry oven/incineration

Moist Steam boiling

Radiation- ionizing, nonionizing

are ____________ agents of controlling microbial growth

A. Chemical

B. Physical

C. Mechanical