Answer:
Body systems are used throughout your body to help you move and to live like the heart for example.
Ribosomes since its produce proteins maybe
The X symbol looks too much like the multiplication symbol, it also makes using it as a variable more confusing.
Lipids are organic compound that are insoluble in water.
Lipids are derive from and give eg of lipids?
Lipids are derivative of fatty acids the example of lipids are oils, wax and steroids.
Role of lipids are:
1)They fuctions as store house of energy.
2) They are important signalling molecules
3) They serve as structural components of cell membranes.
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