TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: After fertilization, a zygote forms into two cells.

SOLUTION: After fertilization, how many cells does a zygote form into?

PROBLEM: Phospholipids are the main component of the cell membrane.

SOLUTION: What is the main makeup of the cell membrane?

PROBLEM: Nonshivering thermogenesis, generating heat involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose.

SOLUTION:
Nonshivering thermogenesis, which involves the breakdown of brown adipose tissue, is a special methods newborns have for what purpose?