Exam 3

A  promoter

B  regulator

C  structural locus

D  terminator

E  operator

A  biotechnology

B  gene probes

C  gel electrophoresis

D  genetic engineering

E  recombinant DNA

A  All of the choices are correct

B  liquids

C  medical instruments

D  air

E  human tissues

A  sterilization

B  sanitization

C  antisepsis

D  disinfection

E  degermation

A  occurs before translation

B  requires RNA polymerase

C  requires a template DNA strand

D  occurs on a ribosome in the cytoplasm

E  proceeds in the 5′ to 3′ direction of the growing mRNA molecule

A  guanine pairs with uracil

B  cytosine and thymine are pyrimidines

C  form pairs by hydrogen bonding

D  adenine pairs with thymine

E  they are only present in the form of purines

A  respiratory syncytial virus

B  HIV

C  herpes zoster virus

D  influenza A virus

E  hepatitis C virus

A  ribosomal RNA

B  messenger RNA

C  primer RNA

D  transfer RNA

E  ribozymes

A  allylamines

B  azoles

C  echinocandins

D  macrolide polyenes

A  E-test

B  Kirby-Bauer

C  MIC

D  Therapeutic index (TI)

E  Antibiogram

A  removes primers

B  adds bases to new DNA chain

C  synthesizes RNA primer

D  unzips DNA

A  therapeutic index (TI)

B  Kirby-Bauer

C  antibiogram

D  E-test

E  MIC

A  fungal

B  protozoan

C  viral

D  helminthic

E  bacterial

A  death phase point

B  sporicidal time

C  thermal death time (TDT)

D  thermal death point (TDP)

A  codon

B  exon

C  intron

D  anticodon

A  bind

B  denature

C  dissolve

D  activate

A  sterilization

B  sanitization

C  disinfection

D  antisepsis

E  degermation

A  adds new bases and proofreads new DNA

B  removes primer

C  unzips the DNA helix

D  joins Okazaki fragments

E  synthesizes primer

A  griseofulvin

B  amphotericin B

C  nystatin

D  sulfa drugs

E  metronidazole

A  Sterilization

B  Filtration

C  Boiling

D  Disinfection

E  Radiation

A  lantibiotics

B  synergism

C  prophylaxis

D  prebiotics

E  competitive inhibition

A  have resistance to the action of penicillinase

B  are semisynthetic

C  have an expanded spectrum of activity

D  All of the choices are correct.

E  target the cell wall

A  Are genes coding for RNA

B  Are regulatory genes controlling gene expression

C  Are structural genes coding for proteins

D  Are the expressed traits governed by the genes

E  Is inherited

A  None of the choices are correct

B  decontamination

C  bacteriostatic

D  bactericidal

E  sterilization

A  nystatin

B  sulfa drugs

C  amphotericin B

D  metronidazole

E  griseofulvin

A  ionization

B  sanitization

C  sterilization

D  disinfection

E  antisepsis

A  intron

B  promoter

C  operon

D  operator

E  exon

A  Silent

B  Missense

C  Nonsense

D  Back

E  Point

A  the leading strand is synthesized continuously toward the replication fork, whereas the lagging strand extends away from the fork and is synthesized in short segments called Okazaki fragments

B  only the lagging strand requires a primer for each of the Okazaki fragments; the leading strand does not require a primer to begin synthesis of the daughter strand

C  the leading strand is synthesized away from the fork and is made in short segments called Okazaki fragments whereas the lagging strand extends continuously toward the replication fork

D  the leading strand is made in the 5′-3′ direction by DNA polymerase III, whereas the lagging strand is synthesized in the opposite direction, 3′-5′

A  antisepsis

B  sterilization.

C  disinfection

D  degermation

E  sanitization

A  interfere with elongation of peptidoglycan

B  block peptidases that cross-link glycan molecules

C  attach to the 30S ribosomal subunit and disrupt protein synthesis

D  damage cell membranes

E  block folic acid synthesis

A  vancomycin

B  isoniazid

C  aminoglycosides

D  synercid

E  penicillin G

A  blocking transport into the organism

B  blocking transport out from the organism

C  disrupting membrane integrity

D  coating the organism, preventing interaction with its environment

A  sterilization

B  antisepsis

C  degerming

D  disinfection

E  decontamination

A  pasteurization

B  batch pasteurization

C  ultra high temperature

D  flash pasteurization

A  chloroplast DNA

B  All of the choices are correct.

C  mitochondrial DNA

D  chromosomes

E  plasmids

A  phenotype

B  DNA

C  chromosome

D  genome

A  Silent

B  Insertion

C  Missense

D  Nonsense

E  Deletion

A  thermal death time (TDT)

B  sporicidal time

C  death phase point

D  thermal death point (TDP)

E  None of the choices are correct

A  mutation

B  transcription

C  mitosis

D  translation

E  replication

A  pyrimidine

B  protein

C  amino acid

D  purine

E  nucleotide

A  superinfections

B  allergic reactions

C  mutation

D  nephrotoxicity

E  drug toxicity

A  anticodon; codon

B  gene; complement

C  codon; anticodon

D  codon; DNA triplet

A  does not have thymine

B  has ribose

C  has uracil

D  All of the choices are correct.

E  is typically one strand of nucleotides

A  phenotype

B  genotype

C  gene

D  chromosome

A  Betadine (povidone-iodine)

B  Iodophor

C  Chlorhexidine

D  3% hydrogen peroxide

E  Glutaraldehyde

A  bacteria in a biofilm exist only on synthetic surfaces such as catheters, so they cannot be treated with antibiotics

B  organisms in a biofilm develop antibiotic resistance more rapidly than free-living cells

C  the organisms in the biofilm degrade the antibiotics at a much faster rate than their free-living counterparts

D  when part of a biofilm community, the bacterial cells express different genes thus changing their antibiotic susceptibility

A  nonpolar covalent

B  sulfhydryl

C  peptide

D  hydrogen

A  disinfection

B  sanitization

C  antisepsis

D  ionization

A  Sporicide

B  Germicide

C  Fungicide

D  Bactericide