The amswer would be B beaucause the excretory system could ger rid of soild and waste
He fluid mosaic model of the plasma membrane. The fluid mosaic model of the plasma membrane describes the plasma membrane as a fluid combination of phospholipids, cholesterol, and proteins. Carbohydrates attached to lipids (glycolipids) and to proteins (glycoproteins) extend from the outward-facing surface of the membrane<span>.</span>
<h2>Answer:</h2>
The two important uses of biotechnology is the gene therapy and Genetic engineering.
<h3>Explanation:</h3>
- Gene therapy is the manipulation of genes in the genetic make up of an individual to eradicate the inheritable genetic disorders.
- The second use is the genetic engineering. Which is the genetic changes of an organism or micro organism to produce a desirable product.
- For example the transfer of human gene into bacteria for the production of insulin.
- Biotechnology is also used in the diagnostic techniques of genetic disorders.