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[Hints given to student: (1) Bread contains starch, and (2) saliva mixes with your food when you are chewing].ANSWER: Bread contains the carbohydrate called 'starch', a molecule consistin...

The binding curve of haemoglobin to its substrate is sigmoidal ('s' -shaped). Haemoglobin has four subunits, each of which will bind one molecule of oxygen. The reason for the sigmoidal shape is the proce...

Firstly, red blood cells contain the globular protein haemoglobin which is able to bind reversibly with oxygen. This means red blood cells can take up and then release oxygen as they transport it around t...

There are differences between eukaryotic and prokaryotic cells, that allow them to be distinguished. 1) There is compartmentalisation in the eukaryotic cells, meaning the eukaryotic cells contain structur...

Nucleusoften referred to as 'brain' of the cellStores the DNA/genetic materialControls cellular processes within the cellMitochondriaOften referred to as the 'powerhouse' of the cellGenerates energy for t...