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Biology

GCSE

Name a product of photosynthesis?

Glucose

Oxygen

Answered by Oyinbrakemi E. • Biology tutor

2054 Views

Describe the function of white blood cells

They defend the body against diseases by producing antibodies

Answered by Nimshi M. • Biology tutor

3170 Views

If cells can respire anaerobically, why do humans need oxygen?

Cells can indeed respire - or release energy - without oxygen, using anaerobic respiration. Here, energy is released from glucose to generate a substance called lactic acid. This is a good temporary solut...

Answered by Samuel J. • Biology tutor

22275 Views

In the food web shown: Heather -> Rabbit -> Fox, only a small percentage of the Sun’s energy captured by the heather is eventually incorporated into the body tissues of the fox. Explain what happens to the rest of the energy captured by the heather.

To get all FIVE marks for this question, there needs to be FIVE clear, balanced and detailed explanations.

- Respiration

Answered by Chaitya D. • Biology tutor

8439 Views

Explain why diffusion is an important process in plants and animals.
Diffusion is the movement of molecules from an area of high concentration to an area of low concentration down a concentration gradient. Lots of essential processes rely on this movement such as the diffu...
Answered by Rahul J. • Biology tutor
21138 Views

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Top answers

Name a product of photosynthesis?

Describe the function of white blood cells

If cells can respire anaerobically, why do humans need oxygen?

In the food web shown: Heather -> Rabbit -> Fox, only a small percentage of the Sun’s energy captured by the heather is eventually incorporated into the body tissues of the fox. Explain what happens to the rest of the energy captured by the heather.

Explain why diffusion is an important process in plants and animals.

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