TASK DEFINITION: In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.
PROBLEM: Es un oncogen

SOLUTION: It is an oncogen

PROBLEM: ¿Cuántos pares de nervios raquídeos están conectados a la médula espinal?

SOLUTION: How many pairs of spinal nerves are connected to the spinal cord?

PROBLEM: Las reacciones que usan sales de cobre (I) como reactivos para sustituir el nitrógeno de las sales de diazonio se llaman reacciones de

SOLUTION:
Reactions that use copper (I) salts as reagents to replace the nitrogen in the diazonium salts are called reactions of