Search over 10,000 free study notes

The sino-atrial node (SAN) is located within the wall of the right atrium, and acts like a pacemaker (it instigates the rhythms of the heart). The SAN sends out regular waves of electrical activity along ...

cell wall- this is strong, due to the cellulose nucleus- what is the person of a nucleus- contains genetic information vacuole- sap filled membrane that gains water and loses water, giving the plant cell ...

Muscle cells- are multinucleated, striated, and cylindrical in shape. What is the smallest contractile unit of a skeletal muscle called? It is a sarcomere what does the sarcomere consist of? It contains t...

Let t= 0.2424242... 100T = 24.24242424.. 99T = 24 Fraction is therefore 24/99

Membranes are largely used for the creation of optimum conditions. Membranes therefore keep the contents of organelles in isolation from the cytoplasm. Membranes may also be used to form transport vesicle...