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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...

The role of the sperm cell is to fertilise the egg.-      It has a streamlined shape with a tail which enables it to swim towards the egg.-      It has a head with a nucleus, which contains the genetic ma...

A DNA molecule is shaped in a double helix. It is composed of two sugar-phosphate backbones, conjoined by what we call 'bases'. These nitrogen bases: adenine, guanine, cytosine and thymine, which form the...

Red Blood Cells (erythrocytes) are approximately 0.01 mm, so only one can pass through the small capillary. The advantage of this is that there is a larger surface area exposed, more time available and sh...