7) Which of the following processes is driven by chemiosmosis? A) substrate-leve
ID: 280112 • Letter: 7
Question
7) Which of the following processes is driven by chemiosmosis? A) substrate-level phosphorylation B) oxidative phosphorylation C) ATP hydrolysis D) reduction of NAD+ to NADH 8) Where are the proteins of the electron transport chain located? A) mitochondrial outer membrane B) mitochondrial inner membrane C) mitochondrial intermembrane space D) mitochondrial matrix 9) Water is one of the end products of aerobic respiration. What is the source of the oxygen used in formation of the A) carbon dioxide (CO2) dioxide(Ceaer? B) glucose (C6H1206) C) molecular oxygen (02) D) pyruvate (C3H303-) 10) In the absence of oxygen, yeast cells can obtain energy by fermentation, which results production of which of the following sets of molecules? A) ATP, CO2, and ethanol (ethyl alcohol) B) ATP, Co2, and lactate C) ATP, NADH, and ethanol D) ATP, CO2, and acetyl CoA 11) An organism is discovered that thrives in both the presence and absence of oxygen. Interestingly, as oxygen is removed from the o rganism's environment, the rate of sugar consumption increases while the growth rate decreases. What do these observations sug about the likely identity of this organism? A) It is an unremarkable eukaryotic organism. B) It is a photosynthetic organism. C) It is an obligate anaerobic organism. D) It is a facultative anaerobic organism 12) Beta oxidation generates substrates for cellular respiration through which of the processes? A) catabolism of glucose B) catabolism of glycogern C) catabolism of proteins D) catabolism of fatty acids 13) What happens when electrons are passed from one atom to a more electron A) The more electronegative atom is reduced, and energy is released. B) The more electronegative atom is reduced, and energy is consumed. C) The more electronegative atom is oxidized, and energy is consumed D) The more electronegative atom is oxidized, and energy is released.Explanation / Answer
7) The correct option is B. oxidative phosphorylation.
ATP produces by using the process of chemiosmosis in mitochondria is called oxidative phosphorylation.
8) The correct option is B. mitochondrial inner membrane.
The proteins of the electrons transport chain located in mitochondrial inner membrane. Electron transport chain is present in the inner mitochondrial membrane. It acts as the site of oxidative phosphorylation through the action of ATP synthase.
9) The correct option is C. molecular oxygen (O2).
Molecular oxygen is the source of the oxygen atom used in formation of the water.
10) The correct option is A. ATP, CO2, and ethanol(ethyl alcohol).
Yeast cells can obtain energy by the process of fermentation and produce ATP, CO2, and ethanol.
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