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1.1 Write out the base sequence of the complimentary strand of DNA for the following DNA sequence (ATGGCTACG) (2 marks). 1.2 How many amino acids does the DNA sequence code for? (1 mark)

1.1 Answer: TACCGATGC (T is complimentary to A and C is complimentary to G)1.2 Answer: 3 amino acids (3 DNA bases code for 1 amino acid and there are 9 DNA bases in the sequence (9/3=3))
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Answered by Siobhan L. • Biology tutor
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Could a state legitimately deny its citizens the right to emigrate?

Yes, the state could be legitimate in denying its citizens the right to emigrate. Requiring citizens to stay in the country is one way of ensuring their political obligation to support the continued existenc...
Answered by • Politics tutor
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What's the difference between the quotient rule and the product rule?

They are two rules that are used when differentiating a derivative that has a product with two functions or a term where the one function is divisble by another.For example:f(X) = xe^xorf(x) = (2+4x)/x^2 unf...
Answered by • Maths tutor
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If I have the equation of a curve, how do I find its stationary points?

A stationary point is where the gradient of a curve momentarily stops changing.Let's take the example that we want to find the stationary points of the curve y=2x^5 - 5x^2. Find the derivative of the equatio...
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Answered by Darshan P. • Maths tutor
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Describe how a buffer solution based on hydrochloric acid can act as a buffer. (5)

HCl ⇌ H++ Cl- (1) Added alkali: H + reacts with added alkali/OH - (1) Equilibrium shifts right forming Cl - or H + (1) Added acid: Cl - reacts with added acid/H + (1) Equilibrium shifts left forming HCl (1)
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Answered by Daisy R. • Chemistry tutor
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