TASK DEFINITION: Given a scientific passage and an answer, generate a question for the given answer.
PROBLEM: Passage: Chemical reactions constantly occur inside the cells of living things. However, under the conditions inside cells, most biochemical reactions would occur too slowly to maintain life. That's where enzymes come in. Enzymes are catalysts in living things. Like other catalysts, they speed up chemical reactions. Enzymes are proteins that are synthesized in the cells that need them, based on instructions encoded in the cells' DNA. Answer: enzymes

SOLUTION: What proteins synthesized in cells act as catalysts?

PROBLEM: Passage: Sperm are produced in the testes in the process of spermatogenesis. Answer: spermatogensis

SOLUTION: What process creates sperm?

PROBLEM: Passage: Symbiosis describes a close and long-term relationship between different species. At least one species will benefit in a symbiotic relationship. These relationships are often necessary for the survival of one or both organisms. There are three types of symbiotic relationships: mutualism, communalism, and parasitism. Answer: mutualism, communalism, parasitism

SOLUTION:
What are the three types of symbiotic relationships?