In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Butterflies have _ segmented legs.
[EX A]: six

[EX Q]: Prokaryotes mean they have _ nucleus in which they store genetic material.
[EX A]: no

[EX Q]: Purines are six-membered rings attached to _ membered rings.
[EX A]:
five