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How is protein digested in the human gut?

Protein digestion begins in the stomach by the secretion of gastric juice, a combination of Hydrochloric acid and the enzyme Pepsin. Food then passes into the duodenum, or small intestine, where pepsin wo...

Answered by Biology tutor
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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 differen...

Answered by Rafaelle B. Biology tutor
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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 ...

Answered by Biology tutor
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What are the 4 stages of aerobic respiration?

Glycolysis Link reactionkrebs cycleoxidative phosphorylation

Answered by Biology tutor
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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 overa...

Answered by Biology tutor
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