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olganol [36]
3 years ago
10

What acts like a control center and directs cell activity

Biology
2 answers:
uranmaximum [27]3 years ago
7 0

The nucleus is an organelle that acts like a control center and directs cell activity.

Ivahew [28]3 years ago
7 0

The NUCLEUS of the cell directs cell activities and acts like the control center. 

The nucleus is present in all eukaryotic cells and is usually located in the central part of the cells. It has its own membrane called nuclear membrane and the genetic material [DNA] is located inside the nucleus. The nucleus is the control center of eukaryotic cells; it control the hereditary features of living organisms, it plays a crucial role in protein synthesis, cell division, growth and differentiation.

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What is osmosis? ???​
lisov135 [29]

Answer:

In biology, osmosis is defined as the net movement of water molecules through a semipermeable membrane (e.g. cell membrane) from an area of higher to an area of lower water potential. Other definitions of osmosis are as follows:

The process of a solvent diffusing through a semipermeable membrane from an area of low solute concentration to an area of high solute concentration

The tendency of water to flow from a hypotonic solution (low concentration of dissolved substances) to hypertonic solution (higher concentration of dissolved substances) across a semipermeable membrane

In chemistry, osmosis is defined similarly. It is the passage of a pure solvent from a solution of lesser to one of greater concentration of solutes when the two solutions are separated by a membrane that selectively prevents the passage of solute molecules while allows the solvent molecules to pass through.

For more information see https://www.biologyonline.com/dictionary/osmosis

3 0
3 years ago
4. Does this reaction absorb or release<br> energy? How do you know?
Vesna [10]
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8 0
3 years ago
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Yuri [45]

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Explanation:

3 0
4 years ago
What is the approximate minimum stream velocity needed to keep a 6.4 cm diameter particle in motion?
Rashid [163]
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4 0
3 years ago
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gavmur [86]

Answer:

The Answer is in the Explanation Bellow

Explanation:

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3 0
3 years ago
Read 2 more answers
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