Advanced Biology

Light and Electron Micrographs What are Light and Electron Micrographs? Light: Also known as optical microscopy micrographs, it is equipment which is sued to view small objects and take pictures in black and white images. The light used is visible light. Its uses are to analyse live or dead samples, therefore, these images can be maximised up to 1000x their actual size. Specimens can be living or dead, but often need to be stained with a coloured dye to make them visible. Electron: The...

Cell Groups What are the Types of Cell Groups? There are two types of cell groups, therefore, these cell groups are: Eukaryote Cells: Eukaryote cells contain a nucleus as well as membrane bound organelles. The DNA in Eukaryote cells are organized into chromosomes and Eukaryote cells are known to be multicellular and even unicellular. Examples of Eukaryote cells are Animal Cells, Plant Cells, Fungi Cells and Protists Cells. Prokaryote Cells: These types of cells do not have a nucleus, nor a...

Gene Therapy What is Gene Therapy?: Gene Therapy is an experimental treatment, used to replace defective genes with a cloned and healthy version of the same gene. The aim of gene therapy is to replace faulty genes with a new gene, so it can forestall or prevent a certain disease from affecting and possibly killing the individual. Scientists have found a number of methods, for preventing diseases from thriving, which is mainly caused by the imperfect gene. For example, a commutation between th...

Chapter 1 Food Diseases and their Treatments Effects of Overeating and Overnutrition What is Overeating? An overeating disorder is when the person feels out of control of themselves and consumes too much food on a constant basis. This then makes them accumulate thousands of calories and suffer illnesses, for example, illnesses such as obesity, bingeing or diabetes. People, who suffer from overeating, seem to have an obsessive addiction to food and they use food as a way of dealing with negati...

Sickle Cell Anaemia What is Sickle Cell Anaemia? Sickle cell anaemia is a form of disease which originates from the sickle cell disease. It is known as a very serious condition because it affects the individual’s red blood cells. How affective is the condition? Sickle cell Anaemia is a very serious inherited condition. Symptoms of this condition are episodes of pain, tiredness, paleness, faintness and nausea. This is mainly due to the condition called Anaemia where the organs and muscles ...