Science proceeds by scientific method and use of experimental method. The answer is true because following these steps will get the steps and results you need. There is nothing more to be done. The method is observe a question, make a hypothesis, test the hypothesis with controlled experiment, analyze data. reject or accept hypothesis, and form a conclusion.
Cell division by mitosis occurs in all human body cells except the gonads (sex cells). During mitosis, the DNA is exactly copied and a new daughter cell created with the same number of chromosomes as the parent cell, ie 46.
Plasma Membrane is like all other cellular membranes, the plasma membrane consists of both lipids and proteins. The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid molecules
