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a) Why do insulin levels rise? After we have eaten, the carbohydrates in the food are broken down to glucose, which is absorbed in our intestines. This means that the level of glucose in our blood rises a...

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...

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...

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...

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...