1. Biotechnology - Extending Our Life Expectancy
... create fuel. Biomass is the total mass of an organism. Cellulose is the substance that makes up plant cell walls; this is an example of biomass. Cellulose is made of carbohydrates that can be turned into ethanol by means of fermentation (Cooley, 2014). Ethanol can be used to make fuel but this process is very expensive. Scientist are using biotechnology are ... ...
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