Biology year 9 Miss Mayfield Protein Synthesis
From the single strand of DNA, follow the steps to work out the sequence of amino acids… DON’T FORGET THAT mRNA HAS A ‘U’ INSTEAD OF
‘T’.
CHALLENGE QUESTIONS: answer in books in sentences.
1. Describe 2 differences between DNA and RNA.
2. Where does transcription occur?
3. Where does translation occur?
4. What is the difference between a polypeptide and a protein?
5. Which molecules are involved with transcription?
6. Which molecules are involved with translation?
3. DNA= C G G T G G A A C T T C A T G
mRNA = ____________________________
tRNA triplets: ______ ______ ______ ______ ______
Order of _____ ______ ______ ______ ______
amino acids:
2. DNA= T G G C T A G T A A A G C T T mRNA = ____________________________
tRNA triplets: ______ ______ ______ ______ ______
Order of _____ ______ ______ ______ ______
amino acids:
1. DNA= A A T G G C T T G A C T C T A
mRNA = ____________________________
tRNA triplets: ______ ______ ______ ______ ______
Order of _____ ______ ______ ______ ______
amino acids:
Biology year 9 Miss Mayfield
Cut out the pictures and stick them into the correct order.
Fill in the missing words to describe what is happening.
