IB Molecular Biology SL HL

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A certain gene codes for a polypeptide that is 120 amino acids long. Approximately how many nucleotides long is the mRNA that codes for this polypeptide likely to be?

Which of the following reactions occurs when a dipeptide is formed from amino acids?

Which of the following are connected by a hydrogen bond?

What are the two parts to photosynthesis?

Which two colors of light does chlorophyll absorb MOST?

What enzyme adds DNA nucleotides during replication?

What is the composition of the backbone of DNA?

Which substance is a base that is found in DNA?