The difference between them is that they are active in fighting infection.
Plasma cells are active in defense during the first exposure to invaders like viruses or bacteria producing antibodies. Memory cells last longer and make a copy of the invaders. This allows an extremely rapid defense later in case of a second exposure.
<span>because meristems can differentiate in each tissue system of a plant, a cutting that contains meristems that can form a new plant.</span>
The neutral theory of molecular evolution proposed that most evolutionary changes are the result of the fixation of neutral mutations by genetic drift. Hence, in this model, most genetic changes in a population are the result of constant mutation pressure and genetic drift.
1,355,935,022 people / 3,705,405 mi^2 comes out to a population density of 365.9 people per square mile, 0.5718 people per acre, or 141.3 people per square kilometer. Each person gets 76,184 square feet<span>
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They can BE used as Treatments ,they can be used for Natural Gas, and they can be used in Oil
Hope It helped :D
