Exam 3

A  regulator

B  terminator

C  structural locus

D  operator

E  promoter

A  gel electrophoresis

B  recombinant DNA

C  gene probes

D  biotechnology

E  genetic engineering

A  liquids

B  air

C  All of the choices are correct

D  human tissues

E  medical instruments

A  antisepsis

B  disinfection

C  degermation

D  sterilization

E  sanitization

A  occurs on a ribosome in the cytoplasm

B  requires a template DNA strand

C  requires RNA polymerase

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

E  occurs before translation

A  cytosine and thymine are pyrimidines

B  they are only present in the form of purines

C  adenine pairs with thymine

D  form pairs by hydrogen bonding

E  guanine pairs with uracil

A  herpes zoster virus

B  respiratory syncytial virus

C  HIV

D  influenza A virus

E  hepatitis C virus

A  messenger RNA

B  transfer RNA

C  ribozymes

D  ribosomal RNA

E  primer RNA

A  echinocandins

B  macrolide polyenes

C  allylamines

D  azoles

A  E-test

B  MIC

C  Antibiogram

D  Therapeutic index (TI)

E  Kirby-Bauer

A  unzips DNA

B  removes primers

C  synthesizes RNA primer

D  adds bases to new DNA chain

A  antibiogram

B  MIC

C  Kirby-Bauer

D  therapeutic index (TI)

E  E-test

A  fungal

B  bacterial

C  helminthic

D  viral

E  protozoan

A  thermal death point (TDP)

B  sporicidal time

C  thermal death time (TDT)

D  death phase point

A  codon

B  anticodon

C  intron

D  exon

A  activate

B  denature

C  dissolve

D  bind

A  sanitization

B  sterilization

C  antisepsis

D  degermation

E  disinfection

A  removes primer

B  unzips the DNA helix

C  synthesizes primer

D  adds new bases and proofreads new DNA

E  joins Okazaki fragments

A  sulfa drugs

B  griseofulvin

C  amphotericin B

D  metronidazole

E  nystatin

A  Boiling

B  Radiation

C  Disinfection

D  Filtration

E  Sterilization

A  lantibiotics

B  prophylaxis

C  competitive inhibition

D  prebiotics

E  synergism

A  are semisynthetic

B  All of the choices are correct.

C  have resistance to the action of penicillinase

D  target the cell wall

E  have an expanded spectrum of activity

A  Are regulatory genes controlling gene expression

B  Are genes coding for RNA

C  Are structural genes coding for proteins

D  Are the expressed traits governed by the genes

E  Is inherited

A  decontamination

B  bacteriostatic

C  sterilization

D  bactericidal

E  None of the choices are correct

A  griseofulvin

B  nystatin

C  amphotericin B

D  sulfa drugs

E  metronidazole

A  antisepsis

B  sanitization

C  disinfection

D  sterilization

E  ionization

A  promoter

B  exon

C  intron

D  operon

E  operator

A  Back

B  Nonsense

C  Point

D  Silent

E  Missense

A  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

B  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

C  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

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  sanitization

B  degermation

C  sterilization.

D  disinfection

E  antisepsis

A  damage cell membranes

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

C  block peptidases that cross-link glycan molecules

D  block folic acid synthesis

E  interfere with elongation of peptidoglycan

A  penicillin G

B  vancomycin

C  isoniazid

D  aminoglycosides

E  synercid

A  disrupting membrane integrity

B  blocking transport out from the organism

C  coating the organism, preventing interaction with its environment

D  blocking transport into the organism

A  degerming

B  disinfection

C  antisepsis

D  decontamination

E  sterilization

A  batch pasteurization

B  flash pasteurization

C  pasteurization

D  ultra high temperature

A  plasmids

B  All of the choices are correct.

C  mitochondrial DNA

D  chromosomes

E  chloroplast DNA

A  phenotype

B  chromosome

C  genome

D  DNA

A  Deletion

B  Insertion

C  Missense

D  Silent

E  Nonsense

A  thermal death point (TDP)

B  None of the choices are correct

C  thermal death time (TDT)

D  death phase point

E  sporicidal time

A  mitosis

B  replication

C  translation

D  transcription

E  mutation

A  amino acid

B  purine

C  protein

D  nucleotide

E  pyrimidine

A  mutation

B  superinfections

C  allergic reactions

D  nephrotoxicity

E  drug toxicity

A  anticodon; codon

B  codon; DNA triplet

C  gene; complement

D  codon; anticodon

A  All of the choices are correct.

B  does not have thymine

C  is typically one strand of nucleotides

D  has uracil

E  has ribose

A  genotype

B  gene

C  phenotype

D  chromosome

A  Betadine (povidone-iodine)

B  3% hydrogen peroxide

C  Iodophor

D  Glutaraldehyde

E  Chlorhexidine

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

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

A  nonpolar covalent

B  sulfhydryl

C  hydrogen

D  peptide

A  sanitization

B  antisepsis

C  ionization

D  disinfection

A  Sporicide

B  Germicide

C  Fungicide

D  Bactericide