1.), missing links
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The embedded proteins <u>allow specific substances to flow into the cell</u>.The phospholipid bilayer forms a stable barrier between two aqueous compartment.They embedded proteins carry the selective transportation of molecules and ensure their is cell to cell recognition.
Carbon is transfered by plants and animals.
The right option is; a. fatty substances called lipids inside the cell
Among other changes caused by cell aging, there is an increase in pigments and fatty substances called lipids inside the cell.
Aging occurs in the body's cells, tissues, and organs and it therefore affects the functioning of all body systems. Cell aging makes cells sizes to increase and reduces their ability to reproduce. It causes an increase in pigments and fatty substances (lipids) inside the cell. This makes the cells to be inactive or to function abnormally. Aging also causes the accumulation of waste products in tissues.
