TASK DEFINITION: Given a scientific question, generate a correct answer to it.
PROBLEM: Any sound with a frequency above the highest audible frequency is defined as what, a phenomenon useful in medical diagnosis and therapy?

SOLUTION: ultrasound

PROBLEM: What type of analysis is performed to study gene expression patterns in cells?

SOLUTION: rna analysis

PROBLEM: Ribozymes are rna molecules that catalyze what?

SOLUTION:
chemical reactions