DALLAS â September 3, 2014 â Americans paid an average of $137 per night for hotel accommodations in the U.S. during the first six months of 2014 â an increase of five percent compared to the same period in 2013 â according to the latest data from the biannual Hotels.comÂ® Hotel Price Indexâ¢ (HPIÂ®) .ALLAS â September 3, 2014 â Americans paid an average of $137 per night for hotel accommodations in the U.S. during the first six months of 2014 â an increase of five percent compared to the same period in 2013 â according to the latest data from the biannual Hotels.comÂ® Hotel Price Indexâ¢ (HPIÂ®) .
The energy used in the electron transport change pumps protons across the inner mitochondrial membrane from the inner matrix to the intermembrane space, producing a strong hydrogen concentration gradient.
The electron transport chain for respiration occurs in the inner membrane layer of the mitochondria. In eukaryotes the ETC is located within mitochondria. Prokaryotes have ETC associated with inner plasma membrane.