What to expect in Biochemistry interviews?

Biochemistry past interview questions

Explain differences in physical properties of the following hydrocarbons: octane and oct-2-ene.

Given that the selectivity filter is lined with carbonyl oxygens, how might K+ channel allow K+ through but not Na+ when Na+ is smaller?

If codon has 4 bases instead of 3, how would the structure of tRNA change?


N.B. Obviously useful in comparing your answer with our recommended answer. But for cases where you cannot think of an answer, we recommend you first have a solid go at the questions without referring to the answers and only refer to the answers at the end.