Lab Practical

Cards (93)

  • What is the medium that supports the growth of cells on a cell culture dish, and consists of vitamins, amino acids, glucose, and phenol red?
    Dulbecco's Modified Eagle Medium (DMEM)
  • What is used to degrade extracellular matrix proteins in the process of collecting cells from a cell culture dish?
    Trypsin
  • What types of shoes are not allowed to be worn in the lab?
    Open toed
  • What is the saccharide binding protein found in Jack bean meal?
    Concanavalin A
  • What is the glucose-based saccharide found in Sephadex?
    Dextran
  • What is the enzyme that has an oligosaccharide core that contains mannose?
    HRP
  • What solution was used as an eluent for the affinity chromatography column?
    NaCl/Dextrose
  • What does Con A normally bind to?
    Mannose
  • Proteins that do not bind to ligand in affinity chromatography are called?
    Flow through
  • What type of ligand-interaction was observed within the affinity chromatography experiment?
    protein-ligand
  • What was the matrix used to isolate the protein within the affinity chromatography experiment?
    Sephadex
  • What is used to wash the DNA pellet within the mini prep DNA experiment?
    70% ethanol
  • Which form of DNA runs the fastest on an agarose gel identified in the mini prep experiment?
    Supercoiled
  • What type of buffer contains RNase to degrade RNA and resuspend precipitated DNA?
    Tris Buffer
  • What voltage was the agarose gel run within the mini prep experiment?
    120 volts
  • Which form of DNA runs the slowest on an agarose gel identified in the mini prep experiment?
    catenane
  • What is the cation required for restriction enzyme activity?
    Magnesium
  • What protocols utilize sticky and blunt end restriction enzymes?
    Molecular cloning
  • What are palindromic sequences separated by several variable bases of DNA?
    hyphenated sites
  • What was used in this experiment that causes nucleic acids to fluoresce upon exposure to ultraviolet light?
    Ethidium bromide
  • What is the x axis labeled on the non logarithmic semi log graph paper used for RE mapping?
    Migration Distance
  • What is the first step for mapping DNA restriction sites?
    determine migration distance and size of the DNA fragments
  • What are antigens?
    macromolecules that elicit antibodies
  • What does a monoclonal antibody recognize?
    Antigen
  • What was conjugated to the secondary antibody within the western blot experiment?
    HRP
  • What type of gel is run when performing a Western Blot?
    SDS-PAGE
  • What protocol is used to determine the presence of certain antigens or antibodies?
    Western Blot
  • What is a Western Blot used to determine?
    Protein antigens
  • What was the protein that was analyzed in high and low concentration using a Western Blot in this experiment?
    BSA
  • What are two ways during PCR you can get unwanted amplification products?
    sample contamination or nonspecific annealing of primers.
  • How many total cycles were conducted in the pcr experiment?
    30
  • What cation is required for Taq polymerase?
    Magnesium
  • True or False: Each PCR cycle doubles the amount of target DNA in less than five minutes?
    True
  • During electrophoresis, the DNA samples migrate towards what electrode?
    Positive
  • If you start PCR with two copies of the template DNA, how many copies would you produce after 3 rounds?
    16 copies
  • In order for this to be activated, both copies of the gene need to be mutated?
    tumor suppressors
  • What specific oncogene is mutated in cancers seen within the lung, colon, and stomach?
    myc
  • Most cancer cells result from what in genes controlling cellular growth?
    mutations
  • This is triggered in a normal cell if severe DNA damage occurs within the cell cycle?
    apoptosis
  • What is used to stain the nucleus of cells and bind to negatively charged molecules?
    Methylene Blue