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Every individual of every species living on the planet has DNA, made up of sections called genes. Mutations to these genes occur over time, resulting in a change to an individual's behaviour or physiology...

A prokaryote will not contain membrane-bound organelles, whereas a eukaryotic cell will contain membrane-bound organelles.Examples of membrane bound organelles would be the nucleus, mitochondria and chlor...

A major advantage of sexual reproduction is the increased genetic diversity that it creates. This originates from novel genetic combinations that result from meiosis and the fusing of the gametes thus pro...

The primary role of progesterone is to thicken the lining of the uterus in order to prepare for pregnancy. It thickens the endometrium that allows for implantation of the embryo. The progesterone also inh...

There are some key components which define osmosis in relation to simple diffusion. Osmosis is the movement of specifically water. In addition, it occurs through water channels (aquaporins). Osmosis occur...