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Vlad [161]
3 years ago
13

Describe the purpose of the cell membrane.

Biology
2 answers:
storchak [24]3 years ago
8 0
The purpose of a cell membrane is that <span>it controls what passes into and out of the cell. </span>Cell membrane do a lot of function. protection of cell. food ingestion and excretion from cell. a medium between cell and outer environment. The cell membrane regulates the passage of chemicals in or out of the cell.
Ulleksa [173]3 years ago
5 0
It’s main purpose is to protect the cell from its surroundings
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The statement that correctly describes the relation in the question is ; ( A ) As wavelength decreases, frequency increases, energy increases and the speed remains the same.

The Frequency of a wave travelling in a medium is directly proportional to the energy produced by the wave and inversely proportional to the wavelength of the wave.  

Changes in the wavelength and frequency of a wave has no effect on the wave speed. but has an effect on the energy produced by the wave. therefore the wave speed remains constant regardless of the changes in wavelength and frequency

Hence we can conclude that   As wavelength decreases, frequency increases, energy increases and the speed remains the same.

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1 year ago
Which DNA strand is complementary to TGTAGCTGCGCGT?
Anton [14]

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