Answer:
A
Explanation:
If it's a permeable membrane then it will allow certain molecules in. If it's impermeable then it won't allow molecules in. Therefore it is the deciding feature of whether something can go into the membrane.
I think it’s the phenotypes
<h2>“Describe the chemical building blocks of cells.”</h2>
Cells are made up of lipids, carbohydrates, proteins, and nucleic acids. These compounds are mostly composed of carbon, hydrogen, oxygen, phosphorus, nitrogen, and sulfur. This structure makes cellular processes occur in cells successfully and help maintain the cell's integrity and homeostasis. When these chemicals undergo respiration or other processes they yield ATP as an energy source for the cells' organelles.
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<em>Hope I helped. :)</em>
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<em>- Valenteer</em>
<span>i think it might be parent material but i dont know.....</span>