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Eukaryotic cells have membrane-bound organelles such as the nucleus, the endoplasmic reticulum and the mitochondria which are not found in the prokaryotic cells. Examples of eukaryotic cells include anima...
Risk factor - factors that increase the likelihood of developing a diseaseThey may be intrinsic or extrinsic and include factors like age, sex and smoking - for cancerChemicals in cigarettes (including ta...
Similarities:Molecules move from a higher to lower concentration in both processes - they move down a concentration gradientSo neither process requires energyDifferences:Only water moves by osmosis - whic...
A stem cell is an undifferentiated cell that can differentiate into specialised types of cells such as muscle cells or skin cells. A stem cell can give rise to many cells of the same or different types o...
A population of bacteria will have lots of variation in characteristics due to mutations in the DNA that each bacteria contains. Some of those mutations may allow a bacteria to be resistant to an antibiot...
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