BMAT 2019 Q21 amino acids

21 which of the following statements is/are correct for a healthy human?

  1. a protein section coded for by a gene consisting of 500 base pairs will have a maximum of 166 amino acids.

Hi everyone!

I marked this option as wrong because we need to subtract the start and stop codon before finding the number of amino acids, but the answer key says it’s correct with 500/3=166,6
Souldnt it be 494/3=164? Or am I not understanding the phrasing of the question?

1 Like

I think why they haven’t subtracted the start and stop codon because this question tells us about the protein section they are not telling us that the entire protein is made up of 500 base pairs might be this entire protein is made up of 1000 b.p and even more than that we simply can’t conclude that and as they are talking about a certain section we can’t surely say it contains the start codon or stop codon as it’s not terminated yet.
Hope this helps.


Thank you, that makes sense!

1 Like