Answer:
Facilitated diffusion (also known as facilitated transport or passive-mediated transport) is the process of spontaneous passive transport (as opposed to active transport) of molecules or ions across a biological membrane via specific transmembrane integral proteins.
Explanation:
From Wikipedia
Answer:
It would be the second choice (Measuring the volume of an object by water displacement).
Explanation:
Qualitative is defined as relating to, measuring, or measured by the quality of something rather than its quantity. Therefore the second choice is the best option.
essential amino acids.
the "essential" refers to it being necessary to derive them from the foods we eat, but in fact the amino acids that the body produces are just as essential to the proper functioning and health of our bodies.
Answer:
Electrons are subatomic particles, whose electric charge is negative one elementary charge. They belong to the first generation of the lepton particle family, and are generally thought to be elementary particles because they have no known components or substructure.
Explanation:
