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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
3275 Views

If 3y-1=2y+4 then what does y=?

3y-1=2y+4To find out what "y=" we need to get all the y values on one side of the equation, and the other numbers on the other side of the equation. We can do this by simply adding or subtracting f...
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Answered by Hugo H. • Maths tutor
4409 Views

prove that any odd number squared is one more than a multiple of four.

any odd number can be written as (2n+1), where n is any integer (whole number). Squaring any odd number is therefore= (2n+1) 2 . expanding the brackets gives =4n 2 +2n+2n+1 2 = 4n 2 +4n+1. factorising the 4 ...
HJ
Answered by Harry J. • Maths tutor
3617 Views

Read the item and then answer this: Outline what is meant by the term bystander behaviour. Referring to the conversation above, identify one factor that can influence bystander behaviour and suggest how it would have influenced bystander behaviour...

...in this situation.Item:Archie: “On the way into work today, I saw a lady collapse. She fell over outside the coffee shop on the high street.” Jordan: “That’s terrible. Did you stop to help her?”(4 marks)T...
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Answered by Izzy R. • Psychology tutor
3028 Views

how do you know if two straight lines on a graph are parallel or perpendicular?

On a straight line graph, the lines are formed by an equation in the form y=mx + c . The m value in this equation represents the gradient, and the c value is the y-intersect.If two lines are parallel, this m...
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Answered by Annie T. • Maths tutor
4228 Views