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ollegr [7]
4 years ago
6

What is the function of the cell membrain

Chemistry
1 answer:
antiseptic1488 [7]4 years ago
4 0

Answer:

The cell membrane, also known as the plasma membrane, is a double layer of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment. It is selectively permeable, which means that it only lets certain molecules enter and exit.

Explanation:

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An isotope has 15 protons, 16 neutrons, and 15 electrons. What is the isotopic notation of the isotope
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Answer:

^{31}_{15}P is the isotopic notation of the atom

Explanation:

The isotope notation is:

^a_bX

<em>Where a is the mass number = Number of protons + Number of neutrons</em>

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The atomic number define the nature of the atom, the element with atomic number = 15 is phosphorus, P:

^a_bP

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b = 15

^{31}_{15}P is the isotopic notation of the atom.

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