<span>The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipidsand proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and aphosphate-linked head group.
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Birds and butterflies don't have a common ancestor because one is a member of a insect and the other is well a bird. They both have different body structure. One has bones and the other has an exoskeleton. hope this helps
The difference between forensic science and criminalistic is that, in criminalistic it is a subject of forensic science while forensic science encompasses different fields.
Forensic science serves as the law by analyzing the evidence.
Another name for criminalistics is forensic science whereby it is the application of principles which are scientific and in a criminal case they do provide good evidence.
Depending on a person experience and education there are better options for jobs in forensic science.