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Many grana, large surface area for photosynthetic pigments, electron carriers and ATP synthase enzymes. Photosynthetic pigments are arranged into structures called photosystems, allows maximum absorption of ...

There are two approaches to rationalising a denominator depending on how the denominator appears. First we deal with the simpler case where the surd term is the only term in the denominator. For example: 6/√...

Projectile motion questions are common in A-level physics as they combine the idea of resolving vectors into their components and using the equations of motion ('suvat' equations) to calculate unknown quanti...

Personal statements involve cramming your achievements, hobbies and personality in a mere 4000 characters. At this nerve wracking time it is most likely very difficult to see what you should include or not i...

From the addition formula, we know that: Rcos(x-c) = Rcos(x)sin(c)+Rsin(x)cos(c) Therefore: acos(x)+bsin(x) = Rcos(x)cos(c)+Rsin(x)sin(c) If we equate the coefficients of cos(x) and sin(x) we see that: acos(...