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DNA replication occurs in the nucleus of the cell inside what are known as replication bubbles. The two DNA strands are separated by an enzyme called Helicase and held apart by another enzyme called Topoi...

dy/dx = 15x^2 + 8x + 3

Differentiation was often a question my peers struggled with at gcse and although not necessairly a dominating topic of the syllabus, I found it is an easy way to pick up mar...

Compressed and expanded time frames can be used to highlight a wide range of themes within plays. Christopher Marlowe, for example, makes particular use of both the compression and expansion of time in 'D...

Understanding of the ratio: 2+3=5, 3/5 is white, 2/5 blue, 2.818(3/5) + 3.518(2/5) No calculator paper, so check ability to do accurately arithmetic as above and make sure to think about...

Translation is a process of protein creation from an RNA strand. This occurs the ribosome, a small organelle that can either be free in the cytoplasm or on the rough endoplasmic reticulum. Messenger RNA t...