The molecules doesn't need energy to cross through.
The diffusion doesn't need protien, the molecules pass between phospholipids by passes protien. It moves smaller molecules. Facilitated need protien also hormone, and larger molecules.
I wish it makes sense.
The variety of traits a species has best defines genetic diversity.
Its called a microscope slide
Answer:
Compare mitochondria to the digestive system. The cytoskeleton is similar to the skeletal and muscular system. They both provide structure and allows for movement within the cell. The cell membrane is similar to the integumentary system. They both separate and protects the internal structures from the external environment and it regulates water loss.
Explanation:
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