The answer is the Plasma Membrane. The Plasma Membrane is a double-layered structure that surrounds the cell, and provides a shield between the cell and its environment.
Answer:
Biuret Test is the popular test for protein in food.. You will need the food to be tested, an eyedropper, biurets reagent, a test tube or some small container to carry out the biuret test for protein in food. It is important to protect your skin from biuret reagent. It can stain you and other surfaces.
Explanation:
Answer:
6. convergent plate boundary.
7. divergent plate boundary.
8. transform plate boundary.
9. fault.