1)
a.
b.
c.
d.
Quiz
In order to fix microbes to a slide, a microbiologist should
Apply a dye to the slide
Pass the slide through a Bunsen burner 3 times
Allow the slide to air dry
Rinse the slide with water
2)
a.
b.
c.
d.
Which of the following should a microbiologist NOT do when making a good smear?
Heat fix the bacteria to the slide
Use a fresh (new) bacterial culture
Apply one drop of water to mix with bacteria for a solid culture
Pick up a large amount of to add to your slide
Match the term to the picture
3) _____ Streptococcus
4) _____ Spirillum
5) _____ Bacillus
6) _____ Staphylococcus
7)
a.
b.
c.
d.
If you want to directly stain a bacteria cell, you should use a ______ dye because the chromophore is a _____.
Basic dye …. Cation
Basic dye … Anion
Acidic dye … Cation
Acidic Dye … Anion
8)
a.
b.
c.
d.
When preparing a simple stain, which of the following cannot be determined by a microbiologist?
The relative size of the cell
The morphology of the cell
The arrangement of the cells
The gram stain reaction of the cell
9) The following picture is an example of what type of transport?
a.
b.
c.
d.
Active transport, uniport
Passive transport, diffusion
Passive transport, facilitated diffusion
Active transport, group translocation
Quiz
10) In this type of _______ process, a protein channel allows molecules to move down their electrochemical gradient,
This is known as ________.
a. Passive … Diffusion
b. Active … Osmosis
c. Passive … Facilitated diffusion
d. Active … Group translocation
11) When nutrients are scarce in the environment, bacteria add phosphate groups to glucose molecules so they
become trapped inside the cell. This active process is an example of _____.
a. Coupled transport
b. Uniport transport
c. Group translocation
d. Pinocytosis
12) Which of the following describes a characteristic similar to both human cells and bacteria cells?
a. They both contain ribosomes
b. They both have cell walls
c. The both have a nucleus
d. They both have capsules
13) Which of the statements is true regarding the picture below?
a.
b.
c.
d.
The Cl- molecules can move into the cell down their chemical gradient
The Na+ molecules can move into the cell down their chemical gradient
Na+ molecules can move out of the cell down their electrical gradient
Cl- molecules can move into the cell down their electrical gradient
14) The cell membrane is considered to be fluid because
a. It is made up of many different pieces
b. It protects the cell
c. Lipids are found in it
d. The parts are constantly moving
15) Which of the following would NOT be a good way to kill a disease-causing bacteria cell in a human?
a. Target the destruction of fimbriae
b. Stop peptidoglycan from being synthesized
c. Make an enzyme that cuts DNA
d. Construct an antimicrobial that binds and inhibits smaller (70s) ribosomes
Quiz
16) In the following picture below, the squares are polar molecules and the triangles are nonpolar molecules.
Indicate which statement is true about the figure.
a.
b.
c.
d.
Both molecules will diffuse into the cell
Only the square shaped molecules will diffuse into the cell
Only the triangle shaped molecules will diffuse into the cell
Both molecules will stay outside of the cell