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How is DNA replicated, and why is this method of replication important?

DNA is replicated in a semi-conservative manner, which means that both 'parental strands' are used as templates. This ensures that genetic information is passed onto offspring without any changes (diagram) D...
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Answered by Salima B. • Biology tutor
3276 Views

How do I integrate by substitution?

Let's take for example the integral 5x 2 (x 3 -4) 4 dx. This is very difficult and not at all nice to expand in terms of x, so we can effectively "create" a new variable, u, and set it to equal x 3...
EC
Answered by Edward C. • Maths tutor
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Is AB perpendicular to BC where A =(2,0,-1), B=(4,3,-6) and C = (9,3,-4)

AB = B - A = (4,3,-6)- (2,0,-1) = (2 , 3 , -5)BC = C - B = (9,3,-4) - (4,3,-6) = (5, 0 , 2) If perpendicular "AB dot BC" should equal zeroAB dot BC = (2,3,-5) dot (5,0,2) = (2x5) + (3x0) + (-5x2) =...
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Answered by Syed Usman B. • Maths tutor
4259 Views

What is the difference between the function of platelets, white blood cells and red blood cells?

They are all components of blood. Platelets are small fragments of cells and help blood to form clots. This stops the body from bleeding when a blood vessel gets damaged. White blood cells destroy microorgan...
TD
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Demonstrate how the subjunctive can be used in French?

The Subjunctive in French is often described as a mood rather than a tense. There are many situations in which the subjunctive would be used in French where we would not consider it to be the correct way to ...
TD
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