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MIC205 Exam 1

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1.
1 point
In what type of prokaryotic cell reproduction do v-shaped or palisade arrangements form?
2.
1 point
In eukaryotic cells, flagella are made up of microtubules that arce composed of tubulin protein. In prokaryotic cells, flagella are made up _________.
3.
1 point
Spontaneous generation was proposed by _______, but later refuted by_________.
4.
1 point
Prokaryotes with flagella propel bacterium through their environments via "run and tumble." The organisms "run and tumble" in response to...
5.
1 point
The cytoskeleton provides shape and structure for the cell.
6.
1 point
Mitochondria, chloroplasts, and the nucleus are single membrane-bound organelles.
7.
1 point
A Gram-positive Bacillus species is in an unfavorable environment. Which of the following would MOST likely happen to the cells?
8.
1 point
A prokaryotic cell membrane can also be referred to as a phospholipid bilayer.
9.
1 point
Prokaryotic ribosomes are 80s.
10.
1 point
Amy observes in a microscope spherical balls that are arranged in a long change. This arrangement is known as __________.
11.
1 point
A dichotomous key uses "either/or" choices that apply to a particular organism.
12.
1 point
The bending of light is magnification.
13.
1 point
If you wanted to observe pale objects, you would want to use what microscope?
14.
1 point
Which of the following items was developed EARLIEST in the history of the field of microbiology?
15.
1 point
Fermentation pathways provide cells with alternate sources of NAD+.
16.
1 point
If you inoculate grape juice with yeast and seal the flask, what will happen?
17.
1 point
Mitochondria produce most of a cell's ATP
18.
1 point
Anaerobic respiration yields most ATP per glucose than aerobic respiration.
19.
1 point
In aerobic respiration, what is a key entry point for amino acids and lipid catabolism?
20.
1 point
If a bacterial cell wants to transfer its DNA to another bacterial cell via conjugation, what nonmotile extension should the cell use?
21.
1 point
What can be found in the centrosome?
22.
1 point
Breaking down molecules into smaller units is anabolism.
23.
1 point
What do ribosomes, cytoskeletons, centrioles, and centrosomes have in common?
24.
1 point
An immature protein would be received, processed and packaged in...
25.
1 point
A flagella that has a hook structure and runs/tumbles would be a prokaryotic flagella.
26.
1 point
Cells only synthesize the enzymes needed to break down a particular substrate when that substrate is readily available.
27.
1 point
Which microscope DOES NOT use a light source?
28.
1 point
Jeff is looking through a microscope and observes a glycocalyx around a bacterial cell. What might Jeff be observing?
29.
1 point
A eukaryotic cell membrane contains cholesterol and other steroid-derived lipids for dynamic maintenance of membrane fluidity.
30.
1 point
A sample of water was taken from Derick's pond. What might he find?
31.
1 point
Jennifer understands that a disease she currently is battling is caused by a microbe. Which of the following organisms should she NOT consider as a possible causative agent of her disease?
32.
1 point
Koch's Postulate includes: finding the causative agent, isolating it, introducing it to a healthy host, and reisolating it.
33.
1 point
Lily wants to perform a gram-stain. She knows the correct staining procedure, but she is curious about what would happen if she switched the crystal violet dye with the safranin dye.
34.
1 point
In active transport, ________ is burned because molecules are being moved against their gradient.
35.
1 point
Gram-positive cell walls have a thick mass of peptidoglycan that resides outside the cell membrane
36.
1 point
Contrast and resolution are proportionally related
37.
1 point
A gram-stain is used on prokaryotes based upon:
38.
1 point
A bacteria's membrane does not allow most substances into/out of the cell membrane, but it does allow some materials. This cells' cell membrane is...
39.
1 point
If a certain type of species looks like grap-pile clusters, this cells arrangement most likely is...
40.
1 point
A eukaryotic cell with a cell wall was found on some old bread in Lindsey's refrigerator. What most likely could this be?
41.
1 point
Lactic acid, acetone, acetic acid, and propionic acid are all products of fermentation.
42.
1 point
Which of the following microscopes would be MOST appropriate for observing viruses?
43.
1 point
If you input glucose/oxygen and have an output of carbon dioxide and water, you are performing....
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