Which is an example of chemical to mechanical energy conversion that occurs in living organisms?

ATP-dependent photon emission in fireflies

light-induced electron flow in chloroplasts

ATP-driven active transport across a membrane

Which is an example of chemical to mechanical energy conversion that

1.	Which is an example of chemical to mechanical energy conversion that occurs in living organisms?
A.	ATP-driven muscle contraction
B.	ATP-dependent photon emission in fireflies
C.	light-induced electron flow in chloroplasts
D.	ATP-driven active transport across a membrane
Answer» B. ATP-dependent photon emission in fireflies