Selective breeding is the traditional method for improving crops and livestock, such as increasing disease resistance or milk yield.
Genetic engineering is a faster way, which transplants genes for a desired characteristic into an organism. However, genetic engineering offers many potential benefits but carries the risk of unexpected harmful effects.
Cellular respiration<span> is </span>the process<span> of oxidizing food molecules, like glucose, to carbon dioxide and water. The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the </span>cell<span>. </span>The process occur<span>s in two phases: glycolysis, the breakdown of glucose to pyruvic acid. </span>
