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The formation of new species is known as speciation. Explain the difference between Allopatric and Sympatric speciation. [1 mark]

Both allopatric and sympatric speciation occurs due to reproductive isolation between populations of the same species. Allopatric speciation involves a physical barrier such as a river or mountain separating...
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Explain the primary, secondary and tertiary structure of proteins

The primary structure of a protein is made up of a sequence of amino acids which is coded for by the organisms DNA triplets which are transcribed in the process of protein synthesis, the secondary structure ...
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What is Eutrophication?

When it rains, nitrates added to the soil by fertilisers can run off into water courses, such as lakes. This is called leaching. The high level of nitrates in the water accelerates the growth of plants at th...
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How is a growth curve of microorganisms shaped? What happens during the different phases?

The growth of most microorganisms can be divided into four different phases:Lag phase - Small populations start to replicate slowly. Replication is 'lagging' as microorganisms are adapting to conditions.Log/...
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Describe the function of phospholipids in the human body

Phospholipids play a huge role in the human body. They are the main components of the cell membranes. They have a hydrophobic and a hydrophilic part.
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