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The DNA in the parent cell is made up of two strands. We know that each daughter cell needs to contain two strands with the same information after DNA replication. There are three ways we could produce th...

First, drugs are tested on human cells and tissues, it is then tested on two different mammals. The final stage has two parts, the drug is initially tested on healthy human volunteers and they are given i...

The vector from (1,-1,2) to (2,2,2) will have direction (2,2,2)-(1,-1,2) which is (1,3,0) so the vector equation is r =(1,-1,2) + s(1,3,0) where s is a scalar.

In any essay question, you need to split it into two parts - outline (AO1) and evaluate (AO3). The AO1 is worth 6 marks out of the total 16, so you would want to briefly describe the key features of the b...

The angular velocity is equal to 2 times pi divided by the time period. So we have an angular velocity of pi radians per second. The centripetal force is given by mass times the radius times the angular v...