instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
The pressure of a sample of gas is measured with an open-end manometer.
answer:
The pressure of a sample of gas is measured with an open-end what?


question:
Bacteria may divide several times an hour.
answer:
Bacteria may divide several what an hour?


question:
Skeletal tisse is muscle tissue that is attached to the bone called.
answer:

What is muscle tissue that is attached to the bone called?