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If you don’t have a microscope, what would you be able to see using a light microscope looking at a slide of bacteria stained with a simple stain procedure?

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Elin Hessel
Elin HesselLv2
28 Sep 2019

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Related questions

A negative stain is a process using which dye? How is itdifferent from the other stains performed (what did you see underthe microscope)?

Why doesn't Negative staining use Gram's iodine?

Which organisms will stain Purple? Which organisms will stainPink?

When viewing bacteria using a simple stain vs a negative stain,what differences can be viewed? Does one provide more details thanothers?

1) What type of slide is required for the hanging drop method?

Select one:

a. coverslip

b. regular microscope slide

c. depression

d. Petri dish

2) A single flagella attached at each end of a bacillus is called? (Spelling counts)

Answer:

3) After viewing a prepared slide of stained flagellated bacteria, you must clean off the coverslip with lens paper and microscope cleaner.

Select one:

True

False

4) The structure and function of the bacterial flagella are the same as the eukaryotic flagella.

Select one:

True

False

What is the limit of resolution of a microscope using a 100X oil objective with a numerical aperture of 1, a condenser with a numerical aperture of 2, and 10X ocular objective if you assume the average wavelength of light used is 600 nm? Select one: a. 300 microns b. 200 nm c. 1000 apertures d. 2 microns e. 0.5 nm Why do you start by mixing the bacteria in water and spreading the cells?

Select one:

a. To remove debris from the slide

b. To dilute the stain

c. Decrease cell density

d. To cause slide adherence e. To kill the bacteria

Basic stains are: Select one:

a. Easier to see with a electron microscope

b. Difficult to see with a microscope

c. Colonizing the cells

d. Attracted to the negative charges on the surface of most bacerial cells

e. Fluorescent stains

What is the primary factor for staining time?

Select one

: a. Heat

b. Cell density

c. Cooling time for stain

d. Booze content

e. Stain color

Which one of the following is NOT likely to happen after adding stain to a specimen?

Select one:

a. Add color to specimen

b. Kills the specimen cells

c. Blocks more light from passing through a specimen

d. Adds contrast between the specimen and surroundings

e. Makes the speciment appear larger

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