Problem:

Question 1: How are some species of halobacterium able to generate ATP via proton in the absence of electron transport

Question 2: Which of the following properties are not found in both facilitated diffusion transporters and gated channels?

A. They are saturable
B. They are specific for certain substrates
C. They are generally proteins.
D. They require ATP.
E. None of the Above.

Give reasoning with your answer.