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Biology
GCSE

Why would the mass of a piece of potato change when it is placed in different sugar solutions?

It's all due to a process called osmosis and the movement of water from a high water potential to a place of low water potential, passing through a partially permeable membrane. So what does this mean? If...

Answered by Joanna G. Biology tutor
54765 Views

How is the structure of a capillary related to its function?

The capillaries are very small blood vessels in the body that take the blood to the individual body cells. They transport oxygen and nutrients to the cells ( the cell needs these to survive) and remove ca...

Answered by Charlotte C. Biology tutor
24116 Views

Name and describe the function of the different organelles within a cell, and compare the differences within a plant and an animal cell.

Nucleus- controls cell's activity. DNA transcription occurs here. Stores DNA (genetic material).Cytoplasm- some cell reactions occur here. Fluid-Jelly-like environment. Glycolysis occurs here.Mitochondria...

Answered by Anaelle T. Biology tutor
2254 Views

Suggest advantages of asexual reproduction and explain advantages and sexual reproduction

Suggest advantages of asexual: Many offspring produced Genetically identical offspring produced Colonisation of a local areaExplain advantages ...

Answered by Kerron S. Biology tutor
3285 Views

What are the main components of an animal cell? What are their functions?

Cell membrane - semi-permeable barrier, allowing some substances in but not otherscytoplasm - material in the cell which contains dissolved salts, minerals and organelles. mitochondria - Where respiration...

Answered by Emily D. Biology tutor
2117 Views

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