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Biology
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Can you explain to me what the Golgi apparatus does?

Golgi ApparatusInvolved in protein and lipid modification by addition of sugar groups Involved in sorting and packaging of proteins and lipidsInvolved in vesicular transport, which is moving substances wh...

CB
Answered by Chiranth B. Biology tutor
2746 Views

Explain how two populations of organisms may develop into two separate species.

The first thing to identify here is that this is a question about evolution. Students should look to give a comprehensive explanation of how organisms evolve via natural selection, while framing the answe...

WS
Answered by Will S. Biology tutor
4786 Views

Describe the stages of the europhication process (6 marks)

Farmers use nitrate containing fertilisers on their crops which are leached into river water due to rains and water run off, causing a build up of nitrates in pools of water. This increases the ion concen...

MD
Answered by Melissa D. Biology tutor
2938 Views

Give three reasons for why biomass may not be transferred from primary consumers to organisms at higher trophic levels in the food chain. [3 marks]

Some energy is lost via the the primary organism's waste products (such as urine and faeces).Some energy is lost as heat produced as a product of respiration.Energy produced by respiration may be used for...

TT
Answered by Thaarabi T. Biology tutor
11201 Views

How do I work out the magnification of an image?

For these types of questions, start by writing out the equation for magnification: Magnification = (size of image) / (size of real object). Then, find the values given in the question that can be plugged ...

CR
Answered by Chloe R. Biology tutor
27002 Views

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