Describe why the H+ gradient across a thylakoid membraneis referred to as a storage of energy.

Multiple choice question. Answer choice in grey box. Question in white.

What among the following would happen to plant exposed to toxin that made thylakoid membranes permeable to protons?  a reverasal of proton gradient across thylakoid membrans would result in higher pH in thylakoid lumen than the surrounding stroma reduction of NADP+ inthe chloroplasts would no longer be possible  the proton gradient across the ehylakoid membrane woudl be eliminated the transport of electrons by the protein complexes int eh thylakoids would be prevented.

Describe cation exchange. How would decomposition of mulch and humus affect cation exchange? Why is acid rain so damaging?

answer options in grey

Explain the chemiosmotic mechanism of ATP generation. How does oxidative phosporylation compare with substrate level phosphorylation found in glycolic and the Krebs cycle?

List and describe the different proteins that make up the light reaction thylakoid membrane.

Calculate the free energy change for moving a proton from the thylakoid lumen to the stroma when ΔpH = 3.4, ΔΨ = 0, and T = 25°C.