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Marysya12 [62]
3 years ago
10

What do you predict would happen to the cytoplasm of the onion cell as salt is added?

Biology
1 answer:
ziro4ka [17]3 years ago
7 0

If you put the onion cell in a solution with a high concentration of salt the solution is considered hypertonic. That means the onion cell will loose water. The membrane will shrink but the shape of the cell will stay the same because of the cell wall.

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What are the differences between a light microscope and a scanning electron microscope?
mr Goodwill [35]

Answer:

There is a great difference between light and scanning electron microscope. The source of illumination is light rays in light microscope while in scanning electron microscope electrons are the source of illumination.

The resolving and magnification power of scanning electron microscope is much greater than that of a light microscope. The magnifying power of a light microscope is 1000X and of electron microscope is 10,00,000X.

In light microscope image is seen through the eyepiece while in scanning electron microscope it is seen on a fluorescent screen. Even small specimens up to 0.1 micrometers can be seen by scanning electron microscope which is not possible to see by light microscope.

8 0
3 years ago
Ringing in the ears is called:
Elza [17]

Answer:

c. tinnitus

Explanation:

Tinnitus (a hearing impairment) is a form of  hearing of sound when no external sound is present Which is often described as a Ringing,Tinnitus may also sound like a clicking or roaring. i.e usually unclear voices or music are heard. The sound may be soft or loud, low or high pitched, and appear to be coming from one or both ears. Ranging from one person to another, the sound may causes depression or anxiety and can interfere with concentration.

Otitis externa is a condition that causes inflammation , the inflammation also covers  (redness and swelling) of the external ear canal, i.e the tube between the outer ear and eardrum.

Meniere's disease popularly called (MD), is a disorder of the inner ear that is characterized by episodes of feeling like the world is spinning (vertigo), hearing loss, and a fullness in the  ear. The cause of MD involves both genetic and environmental factors. Some of the factors include constrictions in blood vessels, viral infections, and autoimmune reactions.

Otosclerosis is a condition where one or more foci of irregularly laid spongy bone replace part of normally dense enchondral layer of bony otic capsule in the bony labyrinth. This condition affects one of the ossicles (the stapes) resulting in hearing loss, vertigo or a combination of symptoms.

Therefore from the foregoing we can conclude that Tinnitus is the correct anwser.

4 0
3 years ago
Read 2 more answers
91 mm = _____ cm<br><br> a. 910<br><br> b. 9.1<br><br> c. .91<br><br> d. .091
umka2103 [35]

Answer Letter B - 9,1 cm

3 0
2 years ago
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How did the Rf values differ between pigments and solvents?
lara31 [8.8K]

Answer:

The Rf values indicate how soluble the particular pigment is in the solvent by how high the pigment moves on the paper.

Explanation:

The Rf values indicate how soluble the particular pigment is in the solvent by how high the pigment moves on the paper. Small Rf values tend to indicate larger, less soluble pigments while the highly soluble pigments have an Rf value near to one.

7 0
3 years ago
What direction does energy transfer when it stops
Marina CMI [18]

Answer:

The direction of energy transfer is ALWAYS from hot --> cold.

Explanation:

hope it helps

4 0
2 years ago
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