Adjusting the feet of a balance to ensure the base is on a horizontal plane for accurate mass determination.

A device that determines the mass of a substance in grams.

Calibrating a balance to deduct the weight of the measurement container.

A thin paper used to hold a substance when being massed on a balance.

A plastic bowl-shaped container that holds a substance when being massed on a balance.

The position the micropipette plunger is depressed to in order to fill the tip with liquid when the plunger is released.

The position the micropipette plunger is depressed to in order to dispense the liquid in the tip.

To distribute a specific volume of liquid.

An instrument used to measure and deliver very small volumes; usually less than 1 mL.

An instrument that can be set to draw up a specific volume of liquid.

Measured in milliliters when used with a serological pipet

Instrument used to draw up liquid into a serological pipet

Thin graduated tube of glass or plastic used to measure milliliter volumes of liquid

Single-use plastic end added to a micropipette to avoid cross-contamination

Measurement of the amount of light that does not pass through a sample (unit is au)

Solution of solvent or diluent without the analyte, used to zero a spectrophotometer

Amount of solute as a proportion in a solution (ex: mg/mL, g/L, molarity, %)

Container that holds a sample for analysis in a spectrophotometer

Greek symbol used to represent the wavelength

Wavelength at which the maximum amount of light is absorbed by a solution

Instrument that measures the amount of light transmitted through a sample relative to wavelength

Measurement of the amount of light that passes through a sample (unit is %)

Measures light passing through a sample from 180-380nm to determine concentration

Visible Spectrophotometer

Measures light passing through a sample from 380-750nm to determine concentration

Distance between peaks or valleys in a light wave

Equipment that spins samples to separate solids from liquids or liquids of differing densities

Liquid remaining in the tube after centrifugation

Liquid above the solid mass at the bottom of a tube after centrifugation

Machine used to sterilize lab equipment and media using high temperatures and pressure

Process to destroy microorganisms

Biological Safety Cabinet

Enclosed, ventilated workspace for safely working with materials contaminated with pathogens

A cabinet that uses negative airflow to draw fumes and vapors away from the user.

A cabinet in which air is drawn through a HEPA filter and blown in parallel (horizontal) flow toward the user to minimize sample contamination.

Dye used to better visualize the features of a microscopic specimen.

Small square of glass or plastic used to cover a specimen on a microscope slide.

How much a microscope increases the image in proportion to the actual size.

The lens of the microscope that produces the desired magnification of the specimen.

The ability of a microscope to distinguish two separate points of a specimen in the image; affects image clarity.

Rectangular piece of glass used to hold a microscope specimen.

An alcohol that dehydrates the cell wall of bacteria to assist with removal of a stain.

Differential Staining

A specific type of biological process that often uses more than one type of reagent. It is used to distinguish one specimen from another; example: Gram Stain.

Bacteria that appears red/pink after gram staining due to minimal layers of peptidoglycan in the cell wall.

A preliminary identification technique to identify bacteria as gram positive or gram negative.

Bacteria that appears purple after gram staining due to thick layers of peptidoglycan in the cell wall.

Laboratory Equipment Flashcards Flashcards

Student preview

100 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Beaker

Back

Cylindrical glassware used for preparing solutions.

2.

FLASHCARD QUESTION

Front

Flask

Back

Glassware with a narrow opening, usually conical shaped.

3.

FLASHCARD QUESTION

Front

Graduated Cylinder

Back

Narrow cylindrical glassware used to accurately measure a volume in milliliters.

4.

FLASHCARD QUESTION

Front

Hot Hands

Back

A silicone rubber cover used to protect hands when handling hot or cold items.

5.

FLASHCARD QUESTION

Front

Media Bottles

Back

Glass bottle with lid used to store media such as LB broth.

6.

FLASHCARD QUESTION

Front

Test Tubes

Back

Narrow glass tube closed at one end.

7.

FLASHCARD QUESTION

Front

Analytical Balance

Back

A sensitive device that determines the mass of a substance in milligrams.

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