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Action potential that travels down the motor neuron and reaches neuron terminal causes release of Calcium form sarcoplasmic reticulum. This released calcium will reveal binding sites on actin, hence expos...
This cycle can be split into two big parts: the interphase and the dividing phase. The interphase consists of the G1, S and G2 phase. In the G phases the cell increases in size to prepare for the division...
Cancer cells are not foreign cells, but abnormally functioning body cells, and may therefore escape immune detection, which is one of the reasons why they are so difficult to treat.
Here are some ...
RNA is single stranded whereas DNA is double stranded
RNA has uracil whereas DNA has thymine
RNA contain the pentose sugar ribose whereas DNA has deoxyribose
Vaccines contain weakened (or attenuated) antigens which cause immunity to a disease without actually giving the person the disease. They are usually adminstered by injection or sometimes orally (by mouth...
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