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The mRNA was transcribed, (or copied) form a piece of DNA and it holds the information that is needed for protein synthesis. mRNA is read and the amino acids are eventually put together in a chain (polype...

Firstly, animals are kept in cramped conditions. While this allows for the cheaper production of larger amounts of meat this is unethical and causes unnecessary stress to the cooped up animals. The temper...

Osmosis is the passive process by which water moves through a partially permeable membrane from a high concentration of water to a low concentration of water down a concentration gradient.

any three from: no cell wall in animal cells/ (cellulose) cell wall in plant cell centrioles present in animal cell, not in present in plant cell (permanent) vacuole in plant cell, lack of (permanent) vac...

The way a simple virus invades a cell is with double stranded DNA replication. The virus has a coat of protein covering the DNA, once bound to the side of the cell the virus releases the DNA where it is t...