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Mutations are a random change in the nucleotide sequence in a genome. Genes code for proteins, such as enzymes, and are found in the genome. When a change in the nucleotide sequence within a gene happens,...

Receptor triggers a sensory neuron to fire an electrical impulse. Synapses with relay neuron which fires an electrical impulse. Synapses with motor neuron which fires an electrical impulse. The motor neur...

A prokaryote is a much smaller and simpler cell than a eukaryote, whereas as prokaryote is usually 0.2 to 2.0um eukaryotes are 10-100um. Due to the small size, prokaryotes don't have a nucleus, which also...

Diffusion is the passive process by which molecules move across a semi permeable membrane down their concentration gradient from an area of high concentration to low concentration. An example is gaseous e...

Firstly we need to know the anatomy of the heart. The heart is made up of four chambers, the top two are called Atria and the bottom two are called ventricles, the heart is also split up into a left side ...