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Reil [10]
3 years ago
9

If a compound microscope has a 10x lens in its eyepiece and a 20x lens in its nosepiece ,what is its total magnification?

Biology
1 answer:
Arisa [49]3 years ago
6 0
30x Magnification I think hope that helped
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Paramecium live in freshwater environments like the Potomac River. Therefore, water is constantly moving into their cells. Param
ICE Princess25 [194]

Answer:

The correct answer is - osmosis.

Explanation:

Paramecium lives in freshwater like the Potomac River which is hypotonic to the cytosol of the paramecium. Paramecium uses contractile vacuoles to transport the water from the lower concentration (outside of the cell) to a high concentration of solvent to the inside of the cells.

This process of cell transport is carried out by osmosis as their cytoplasm contains a higher concentration of solutes outside the cell. This excess water is collected into vacuoles called contractile vacuole that swells and finally internalized the water to the outside of the cell.

Thus, the correct answer is - osmosis.

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3 years ago
When comparing cells to organs, which best describes how organelles differ from organs?
valentinak56 [21]

Answer:fgt56ft5

c

Explanation:

organs are cells that have grouped together to form an organ. cells are at their base form unlike organs who are grouped together

4 0
3 years ago
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What is the attached body form of Cnidarians
Korolek [52]
The attached body form of Cnidarians would be polyp
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horrorfan [7]

Answer:

(A) -> (D) -> (C) -> (B)

Explanation:

First off, given that the problem requires us to explain how life on Earth may have arisen <u>from terrestrial origins</u>, we can discard sentence (E), as impacts from meteorites would count as extraterrestrial origins.

Then it's just a matter of describing the steps by which simple compounds turned into more and more complex structures, that would in turn lead to the origin of life.

Simple inorganic compounds (such as CO₂, or NH₃) were exposed to energy, because of that they formed simple organic molecules, like carbohydrates or amino acids.

These organic molecules, in turn, would self-assemble into more complex structures, such as proteins.

Lastly, there's the phenomenon of Compartmentalization, where large organic structures became enclosed within a membrane-like structure, separating them from the 'outside' medium and thus creating primitive cells.

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X-rays _____.
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X-rays were discovered by accident (by Wilhelm Rontgen).
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