Search over 10,000 free study notes

Change the inequality to an equalsx² -2=2solve as normalx² -2=2-2x² -4=0factorise(x-2)(x+2)=0so x=-2 and x=2However, how do you know if the answer is bigger or smaller tha...

The equation for the volume of a cylinder is (1/2)pi(r²)*H, where r is the radius and H is the height of the cylinder. For the cylinder given, the volume is therefore (1/2)pi(...

DNA is made up of a double helix with a sequence of nitrogenous bases attached; Adenine, Guanine, Cytosine and Thymine. These bases are used to code for messenger RNA, a molecule which allows for the repl...

Magnesium 2+ ions bind to (they don’t REALLY bind) and stabilize ATP molecules. The ATP (also ADP and AMP) contain highly reactive phosphates (the energy is stored in the chemical bonds between the phosph...

Cells need to eat and drink, just like me and you. The process where cells ingest other cells or foreign material is called PHAGOCYTOSIS. The process itself is very complicated and you don’t need to know ...