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There are 2 types of digestion: mechanical digestion and chemical digestion. Examples of mechanical digestion are: chewing - in the mouth; and churning - in the stomach. Chemical digestion involved enzyme...

The easiest way to think of the human heart is as 2 separate pumps in one loop. The first pump is the right side of the heart, which receives deoxygenated blood from the systemic circulation (the body). T...

An impulse stimulates the active release of a neurotransmitter from the relay neurone into the synapse. The neurotransmitter carrying the information from the relay neurone diffuses down the concentration...

Enzymes are proteins with specific tertiary structures. Part of this structure forms an active site. Only the substrate of an enzyme, in this case Maltose, fits/ binds to the active site. This forms an en...

During DNA replication, the two DNA strands separate and each acts as a template (due to base pairing) for DNA polymerase to use to make the second strand of DNA. As a result, each new DNA molecule has on...