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Ribosomes, which are made up of rRNA, are instrumental in the translation of mRNA into proteins. The ribosome has a large and a small subunit, which sandwich around a strand of mRNA. This mRNA attaches to...

(during this discussion I would use a diagram of the hear to point out appropriate parts) 

The Aorta is the body's largest artery, It carries oxygenated blood from the Left verntricle to the body. ...

When the muscle is relaxed, tropomyosin fibres wrap around the actin filament, covering up the sites at which myosin can bind with actin.

During muscle contraction, Ca2+ ions bind to troponin compl...

1. Helicase unwinds the DNA double helix strucutre

2. This is done by breaking the hydrogen bonds

3. Only one strand is then used as ...

Scientists have categoried all life on Earth into three 'domains'. These are: eukarya, bacteria and archaea. The domains bacteria and archaea both contain prokaroytes. Because these groups have experience...