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Biology
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How is the liver adapted to regulating blood component concentrations?

Sinusoids are chambers within the liver where deoxygenated blood from the gut (containing products of digestion) and oxygenated blood from the heart, mix. Sinusoids are lined with liver cells (

Answered by Sana Z. Biology tutor
2969 Views

Describe, using the fluid mosaic model, the structure of the cell membrane in animal cells.

The cell membrane is composed of phospholipid molecules. These have a hydrophobic head and a hydrophilic tail. The molecules arrange themselves in a bilayer so that the hydrophobic heads point outwards an...

Answered by Morgan G. Biology tutor
2664 Views

Describe competitive and non-competitive enzyme inhibition

Competitive enzyme inhibition- the inhibitor compound is a similar structure to the enzyme’s active site. This means it can fit into the active site of the enzyme, via the glove induced fit, method creati...

Answered by Tom H. Biology tutor
3422 Views

Describe what is meant by active transport and state one way in which it is different to simple diffusion

Active transport is the movement of substances from an area of lower concentration to an area of higher concentration. Movement is going against the concentration gradient. This is ATP requiring.Active tr...

Answered by Joshua E. Biology tutor
1971 Views

What is necessary for photosynthesis to occur?

Essentially, photosynthesis is the process by which plants convert light energy to produce sugar. It needs water, light and carbon dioxide to occur and produces oxygen and sugar/carbohydrates. Photosynthe...

Answered by Claudia C. Biology tutor
1158 Views

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