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How would you differentiate 3x^4 - 2x^2 + 9x - 1

First we follow the "times by the power and take one from the power" rule. This is the easiest way to remember how to differentiate anything. So (3x4)x (4-1) -(2x2)x (2-1) +(9x1)x (1-1) -(1x0)x (0-...
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Answered by Cathy E. • Maths tutor
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Briefly summarise the overall process in applying for Medicine?

In a summary: Lots of extra-curricular activities, volunteering throughout UKCAT exam After AS/ start of A2. UCAS application A2 Interview A2 Hardcore studying throughout If you want the points above filled ...
JJ
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How come the antibodies in our blood and lymphatic system do not attack our own, but only specific antigens?

Antibodies and antigens are made out of proteins. Proteins have a specific primary structure. The primary structure is the sequence of the amino acids that make up the protein. This sequence is specific to a...
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Answered by Cassandra U. • Biology tutor
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How do you get from an a base like adenine to an enzyme/protein?

There are four bases- ATGC adenine, thymine guanine and cytosine. Each base is attached to a deoxyribose sugar and a phosphate sugar. This makes up a nucleotide. Three nucleotides are called a codon which pr...
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Answered by Joshny J. • Biology tutor
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Relationship between moles and Avogadro's constant

Moles equation is moles= mass/RFM Avogadro's constant is 6.x 10 23 . 1 mole means 6x 10 23 atoms/molecules. e.g. 2 mole of Cu weighs 128g. What is the weight of 1 Cu atom? 2 moles is 2x 6x10 23 atoms = 1.2x1...
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Answered by Joshny J. • Chemistry tutor
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