Question

question:
____ is a protein found in rye, barley, and wheat that can cause digestive problems.

answer input:
spelling counts but capitalization doesnt

Explanation:

The protein found in rye, barley, and wheat that causes digestive problems (like in celiac disease) is Gluten. It's a key protein in these grains, and many with gluten - related disorders have issues digesting it.

Answer:

Gluten