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How does natural selection work ?

A common misunderstanding is to think that evolution results from a species changing to be better adapted to its environment. Evolution is actually the result of environmental pressures selecting different c...
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Explain the difference between the light dependent and light independent reactions of photosynthesis (2 marks).

Light dependent reactions occurs in the thylakoid membrane whereas light independent occurs in the stroma of the chloroplastLight dependent reactions produces the substrates for making ATP whereas ATP is ult...
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What are the 4 stages of aerobic respiration?

Glycolysis Link reactionkrebs cycleoxidative phosphorylation
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Describe the difference between the absorption spectrum and the action spectrum of a plant (photosynthesis)

The absorption spectrum is the rate of absorption at different wavelengths of light by the different light absorbing pigments present. Each pigment absorbs different wavelengths of light to increase overall ...
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Describe the structure of DNA

-DNA is a double-stranded helix-Two polynucleotide strands (that run antiparallel to each other), held together by hydrogen bonding between the complementary base pairs-Each nucleotide consists of deoxyribos...
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