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Myleination of the nerve axon by Schwann cells allows for fast saltatory conduciton, as the Schwann cells provide electrical insulation. Gaps between Schwann cells are known as Nodes of Ranvier, whereby e...

Antibodies are  rapidly produced by white blood cells in response to the vaccination, and these antibodies kill the pathogens. Memory cells are produced in order to combat further infection more rapidly v...

1. Interphase

2. Prophase

3. Metaphase

4. Anaphase

Plants, like us, need food and water to survive. We have a heart, arteries and veins that help us circulate our blood around. But plants don't have that, and need ways of transporting water and food, whic...

Key Points: 1) Active transport requires energy in the form of ATP whereas facilitated diffusion does not require energy; it is a passive process 2) Active transport can move molec...