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Pathogen: any microorganism (bacteria or virus) that can cause disease. anything that has a 'path' to disease.

 I will explain that often the question gives a clue to the answer to the question. Th...

An enzyme is a protein that catalyses a reaction. That means they perform the reaction without being used up. Enzymes are very specific. Typically only one enzyme with catalyse one kind of reaction. This ...

Semi-conservative DNA replication involves splitting open the parent cells DNA duplex and exposing both strands. Now these strands are accessible to replication machinery to act as a template, so that the...

Animals: Decrease in surface area in which sweat can be lost from Hump with fat stores to convert to water Thin layer of body fat Keep out of the sun

Plants: Decrease in surface area in leaves to r...

Aerobic respiration is a process that is occurring all the time in all cells. It involves the releasing of energy from glucose through a series of reactions using oxygen. It is the breaking down of a lar...