Because it determines if it is isolated or not. This means if other substances can enter or not. This usually relies on the membrane with it´s pores. The pores help the membrane be selectively permeable in what it lets in and out.
Answer:
Carbohydrates: Carbohydrates are the most abundant organic molecules in nature. stored in the body in the liver and muscles in the form of glycogen.
Proteins and Amino Acids: Proteins are the most abundant organic molecules of the living system. There are twenty amino acids (AA) which have been found to occur in all proteins and for which genetic codon exits.
Lipids are broadly classified (modified from Bloor) into simple, complex, derived and miscellaneous lipids, which are further subdivided. found in cell membranes, cholesterol, blood cells, and in the brain
Explanation:
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<span>Glycogen is to animal cells as STARCH is to plant cells.</span>
Answer:
plant cells only
Explanation:
animal cells have no cell wall.
Myelin sheaths are found on the outside of nerve cells. They protect the sensitive axons underneath like how insulation protects wires.