<span>A law is a theory that has explained a number of observed phenomena, and it has predicted a number of other phenomena which may as yet be unobserved.
In that sense, a law is a theory that has not yet been proven wrong or given rise to any contradictions.
A theory is just a theory until it has been proven true by experiments and observation</span>
Answer:
The underlying principle of SEC is that particles of different sizes elute (filter) through a stationary phase at different rates. This results in the separation of a solution of particles based on size.
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It’s B, the urethra :)
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Answer:
Cell cycle checkpoints are surveillance mechanisms that monitor the order, integrity, and fidelity of the major events of the cell cycle. These include growth to the appropriate cell size, the replication and integrity of the chromosomes, and their accurate segregation at mitosis.
