MEDIUM
AS and A Level
IMPORTANT
Earn 100

In the given image of a DNA molecule, one strand is red and another is blue. Using the colours red and blue as appropriate, draw the two daughter molecules resulting from replication of this molecule if replication is conservative.

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Important Questions on Nucleic Acids and Protein Synthesis

MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>Question>Q 6
What would be the general formula for predicting how many amino acids can be coded by four bases?
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>Question>Q 7
What does the fact that the code is universal suggest?
HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>Question>Q 8

What are the next three amino acids coded for by the DNA (after the CAA triplet) in the given figure?

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MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>Question>Q 9
Use the table to summerise the differences between DNA and mRNA.
HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>Question>Q 10
Draw the simple diagram or a flow diagram, to summarise the important stages in protein synthesis. Include the words: nucleus, nuclear pore, DNA, mRNA, transcription, translation, ribosome, amino acid, tRNA, amino acid-tRNA, polypeptide.
EASY
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 1
What can be found in both DNA and messenger RNA (mRNA)?
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 2
Which statement about base pairing in nucleic acids is not correct?
MEDIUM
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 3
How many different triplets can be coded for using four different bases?