Related Essays

  • Biology Lab Report Essay

    Test Purpose Observations Result Gram Staining The purpose of this test is to determine the shape as well as the nature of the bacteria’s cell wall by dis...

  • Gram Staining Test

    Gram staining was used to distinguish the unknown microbes between gram-positive microbes from gram-negative microbes. Gram-positive microbes contain a thick...

  • Microbiology Case Study: Toxic Shock Syndrome

    The color remains in the bacterium’s cell wall after decolorization and a counter-stain process; thus, resulting in a positive Gram

  • Gram Staining Experiment

    If the bacteria stains positive it will retain a purple/blue color. If the bacteria stains negative, the bacteria will not retain the purple/blue color, but ...

  • Microorganism: Lab Report

    Week 3 of lab, we received our unknown microorganisms. That week we performed a differential staining to determine whether our unknown has a gram-negative en...

  • Gram Staining In Microbiology

    Observe each slide under the microscope, determining whether the bacteria are gram-positive which is stained purple or gram-negative which is stained red. ...

  • Compare And Contrast Bacteria And Bacteria

    It is classified as gram positive if its cell wall is thick and stains purple when tested for identification. If its cell wall is thin and stains red, it is ...

  • Essay On Gram Staining Procedure

    However, when washed with alcohol, bacteria with thicker cell walls containing peptidoglycans tend to retain these molecules and remain violet in color, thus...

  • Gram-Negative Bacteria Lab Report

    Gram-negative bacteria cells do not have a thick peptidoglycan layer and are not able to retain the violet dye. However, Gram-negative cells can pick up the ...

  • Tryptic Soy Agar Lab Report

    Scientists use different types of nutrient agar media to help with the study of microorganisms. The purpose of this experiment was to examine the different g...

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/15

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

15 Cards in this Set

  • Front
  • Back
  • 3rd side (hint)
The destruction of all microorganisms and their endospores is referred to as...
d. sterilization
a. disinfection
b. degermination
c. sanitization
d. sterilization
The process by which a number of microbes on the human skin is reduced by scrubbing is called...
a. degermination
a. degermination
b. sanitization
c. disinfection
d. sterilization
Chemically, agar is a...
c. carbohydrate
a. protein
b. lipid
c. carbohydrate
d. nucleic acid
Media that contain complex organic substances such as blood for growth of specific bacteria are referred to as:
a. enriched media
a. enriched media
b. general purpose media
c. differential media
d. reducing media
Which of the following media are used to determine motility and growth patterns of bacteria?
c. semisolid media
a. reducing media
b. liquid media
c. semisolid media
d. complex media
Nigrosin is a stain used in:
c. negative staining
a. simple staining
b. gram staining
c. negative staining
d. acid-fast staining
The strain used to identify bacteria with a large amount of peptidoglycan on their cell walls is the:
c. gram stain
a. acid-fast stain
b. methylene blue stain
c. gram stain
d. negative stain
The medium selective for growth of Staphylococcus species is:
a. phenylethyl alcohol agar
a. phenylethyl alcohol agar
b. tryptic soy agar
c. Thayer-Martin agar
d. nutrient agar
A growth that appears separate or semiconfluent is referred to as...
c. beaded
a. filiform
b. echinulate
c. beaded
d. effuse
Which of the following media is not a differential medium based on fermentation?
a. Blood agar
a. blood agar
b. MacConkey agar
c. xylose-lysine-deoxycholate agar
d. mannitol salt agar
A saucer shaped liquefaction of gelatin stabs is said to have a(n) ___ appearance.
crateriform
A culture that contains a single Airbus of an organism is a(n) ___ culture.
pure
A disinfectant is designed to be used only on ___ surfaces.
non living
Bacteria that show variation in size and shape as a result of environmental conditions or age of the organisms are referred to as ___ bacteria.
pleomorphic
Bacteria that appear red after gram staining are said to be gram _.
negative