Trypan blue staining can be used to discriminate between viable and dead cells and determine the number of viable cells present in a cell suspension.
https://www.creative-bioarray.com/support/trypan-blue-staining-assay.htm
Paleogeography is the ancient geographic setting<span> of an </span><span>area</span>
According to the Big Bang Theory, the universe began when an explosion had occurred 15 billlion years ago. It consist of an explosion of space within itself. Unlike an explosion of bomb where fragments are thrown upward in the theory it was an exact opposite. Atoms formed when the matter and anti-matter were formed together after it has cooled down.
Atherosclerosis refers to the build-up of fats and cholesterol in the walls of blood vessels (Option A).
<h3>What is atherosclerosis?</h3>
Atherosclerosis is a disease characterized by the build-up of fats and cholesterol in the walls of blood vessels.
This build-up of fats narrows the blood vessels, thereby difficulting the movement of blood in the bloodstream.
The symptoms of atherosclerosis include, among others, chest pain, shortness of breath and fatigue.
Learn more about atherosclerosis here:
brainly.com/question/4142223
The lipid bilayer works as a barrier that protects the cell from outside dangers.
C. prevent the passage of certain molecules into the cell
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