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Can you name the similarities and differences between a animal and a plant cell?

There are many similarities between these two cells but some important differences which are specific to plant cells. Some of the shared organelles include:Cell Membrane - made of a lipid bilayer which prote...
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Answered by Jasaren G. • Biology tutor
4136 Views

What's the difference between diffusion and osmosis?

Osmosis is the net movement of water from an area of high water potential to low water potential through a semi-permeable membrane, while diffusion is the net movement of any liquid or gas from an area of hi...
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Answered by Rosalind R. • Biology tutor
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Describe the course of blood through the heart and lungs, explaining how it becomes oxygenated.

Considering the heart has 4 distinct chambers - for this question it's best to start in the right atrium. (Supported by a diagram) Deoxygenated blood is returned to the right atrium from the rest of the body...
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Answered by Liam R. • Biology tutor
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Why does a dominant allele mean a higher probability that offspring are affected by a disease?

To start with lets define an allele - these are different versions of the same gene. Genes are small sections of DNA which carry codes to tell your body what proteins to make. Each gene has two alleles - for...
MF
Answered by Maggie F. • Biology tutor
4202 Views

Describe how blood vessels help to control body temperature?

In hot environments, blood vessels under the surface of the skin dilate to allow more blood to flow through them. This causes more heat to be lost from the blood to the environment so body temperature decrea...
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Answered by Annabel C. • Biology tutor
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