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What is DNA? DNA is the chemical used to store genetic information (inherited traits and characteristics) in the body. The shape of DNA is a double helix (two complementary chains, interwoven). Every...
The most important thing to remember is that type I diabetes is genetic and type II diabetes is mostly influenced by environmental factors (although there is thought to be some genetic influence). Pati...
The sample of amino acids is placed in the center of a polyacrylamide gel, across which a voltage is applied. Depending on the pH of the buffer, the amino acids will move at different rates towards either...
Answering questions in biology that offer more marks is all about key words - usually the examiner has a few of these in front of them that offer a mark simply for using the word in your answer. The go...
In the double circulation system there are two routes that the blood can take:
1. Through the lungs
2. To the rest of the body
The blood starting in the heart ...
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