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Contain Haemoglobin, the molecule for carrying oxygen through the blood. Bi-concave shape, to give a large surface area for diffusion of oxygen. No nucleus to make more space for haemoglobin for oxygen trans...

To find the coordinates of the point, we have to solve the equations simultaneously. To do this, we need the same number for the coefficient of x or y in each equation. Arbitrarily, we will chose to match th...

Alkali metals are in group 1, so they have only one electron in their outermost shell. They are trying to loose this electron so they can obtain a noble gas configuration. This means that they will react vio...

Symbols instantly convey a message or meaning to those who are familiar with them. Symbols are used a lot in the Christian faith and can be seen on altars and in different places around the church and in Chr...

The use of basso continuo, or figured bass, is prominent in this era. The harpsichord, cellos, basses and bassoons (if present) would read off the same line of music. There would be numbers written beneath t...