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What are the main components of blood and explain their functions.

Blood consists of cells such as red blood cells, white bloods cells and platelets and plasma. Red blood cells are important for the delivery of oxygen to the cells in the body - to enable...

Answered by Shivani M. • Biology tutor

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How does water move from the soil into plant roots?

The water moves into root hair cells by osmosis, as there is a high concentration of minerals/sugars in the cells, and little water. This decreases the water potential inside the cell, so water molecules ...

Answered by Timothy C. • Biology tutor

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Explain the main thermoregulatory processes in humans.

Thermoregulation involves both trying to increase and decrease our body temperature in order to maintain a temperature of 37 degrees celsius. Four main processes exist- convection,

Answered by Harvey W. • Biology tutor

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What is transcription?

Protein synthesis is the production of new proteins. This happens in two stages, transcription and translation
Transcription - forming mRNA from DNA
1) The DNA section to be co...

Answered by Rebecca H. • Biology tutor

8899 Views

What is the role of insulin in the body?

Insulin is a hormone released by the pancreas in response to high glucose levels in the blood. It primarily acts to reduce blood glucose levels. It does this by signalling muscle and fat cells to take in ...

Answered by Sophie B. • Biology tutor

4414 Views