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Lady_Fox [76]
3 years ago
15

Ciliates are ______ relative to their outside solution.

Biology
2 answers:
kkurt [141]3 years ago
8 0
Hypotonic cause reasons. I hate this 20 character rule. I hope I helped in time
taurus [48]3 years ago
6 0

Answer:

hypotonic

Explanation:

Ciliates are heterotrophic organisms that lack cell wall and use numerous small cilia for locomotion. They have an outer tough membrane called as pellicle.

There are around 8000 species of ciliates and most of them occur in freshwater. The excess water from outside continuously moves inside the ciliates via osmosis and makes them hypotonic compared to outside solution. This excess water is removed actively via contractile vacuoles. Central ring of the vacuole collects water and actively transports it outside.

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Allen pours water into a graduated cylinder. He notices that the surface of the water is curved, as shown below.
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Answer:

When water is added to a graduated cylinder, having a surface where the sides of the water look higher than the center means that the curved surface is a concave meniscus which has formed because of surface tension (Choice C).

Explanation:

A meniscus is simply the curvature that the surface of a liquid acquires when it is in a container, such as a graduated cylinder. It is concave when there is attraction between molecules -water and glass- or it can be convex when both surfaces are repelled.

<u>Water is a polar molecule</u>, with the capacity to adhere to the surfaces it comes into contact with. This characteristic causes it to form a concave meniscus, as the outermost molecules adhere to the glass surface, while the surface tension of the water attracts the molecules from the centre downwards, causing the concavity.

Learn more:

Measuring with a graduated cylinder brainly.com/question/4070509

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