The answer is prokaryotic cells and Eukaryotas.
I meant to say energy is the answer to your question
Fatty acids are important for the cell membrane because the fatty acids present in membrane is cholesterol which provides the fluidity and mechanical support to the cell membrane.
Answer;
Processor
Cache memory levels are based on proximity to processor.
Explanation;
Cache memory, also called CPU memory, is a small sized high-speed static random access memory (SRAM) that a computer microprocessor can access more quickly than it can access regular random access memory (RAM).
It provides high-speed data access to a processor and stores frequently used computer programs , data and application.
