Over a million students use our free study notes to help them with their homework
Diffusion is a passive process that involves the movement of ions from an area of high concentration to an area of low concentration through a semi permeable membrane until an equilibrium has been reached...
Transcription is the first step of protein synthesis and occurs within the nucleus of the cell. Within the cell's nucleus is the DNA. Firstly an enzyme called DNA Helicase 'unzips' the two DNA strands sep...
DIAGRAMAt rest, there is a potential difference across the cell surface membrane of -60mV maintained by sodium-potassium ion pumps which pump 3 Na+ ions out of the cell for e...
firstly, animal cells and plant cells are both eukaryotic cells which means both cells have nuclear material within a nucleus. As well as this they will both have cell organelles such as mitochondria. And...
An easy way to remember the stages of mitosis is- preparation may achieve the impossible Prophase-preparationMetaphase-mayAnaphase-achieveTelophase-theInterphase-impossible. Prophaseis the first phase, wh...
←
226
227
228
229
230
→
Internet Safety
Payment Security
Cyber
Essentials