In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

[Q]: Cuál de las siguientes hebras del ADN tiene la misma secuencia de nucleótidos (excepto el cambio de T por U) que su transcrito primario
[A]: Which of the following strands of DNA has the same nucleotide sequence (except the change of T for U) as its primary transcript


[Q]: El sumatriptán es un triptano antimigrañoso de primera generación, que se caracteriza estructuralmente por tener un heterociclo
[A]: Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle


[Q]: Cuando un enzima cataliza una reacción
[A]:
When an enzyme catalyzes a reaction