ScienceRevision
@IScienceRevI
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#dna - a gene is a section of a molecule of DNA, a gene codes for a specific protein.
#cytoplasm - gel like substance where most chemical reactions take place. #definition
#Nucleus - contains DNA which controls what the cell does. #definition
#Mitochondria - breaks down glucose to release energy. #definition
We've recently been asked many questions science related of course via direct message, if you've any questions please do ask. :)
The kidneys filter stuff out of the blood under high pressure and reabsorbing the useful things to produce the end product, urine.
Kidneys perform 3 main roles: removal of urea, adjustment of ion levels, adjustment of water content. #biology
Both urea and cO2 diffuse into bloody and both substances must be removed in the kidneys #biology
Cell metabolism produces waste product such as urea and CO2 #biology
Cat scans: can be used to image soft tissue and bones. #Physics
Cat Scans: use intense beams of X-rays which are strongly ionising. #Physics
Cat scans: use X-rays to produce an image of a 2D slice through the body. #Physics
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