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Respiration uses 'food' in the form of glucose with oxygen to store (never create) energy in the form of ATP, along with CO2 and H2O. Photosynthesis uses energy from light with CO2 and H2O to create/store...

The human body has evolved to be able to protect itself from it's external environment, especially preventing microbes entering the body, invading our cells and causing infectious diseases. Some of the co...

Chlorophyll is vital for photosynthesis, which is how the plant makes glucose for energy. If there is less photosynthesis, there will be less glucose made and so less energy released for growth. Glucose i...

Possibly the most noticeable difference between plant and animal cells is the presence of chloroplasts containing chlorophyll in the plant cells. This chlorophyll is used in photosynthesis, to convert sun...

So, the first thing to look at in long answer questions is the number of marks they're awarding. The next is to read the question a few times over and make sure you really understand what they're asking f...