AP BIOLOGY

CELL RESPIRATION

AEROBIC RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statements are TRUE about the process that occurs in cristae?I ATP is synthesized by ATP synthase on the inner membrane of mitochondrionII FADH2 transfers its hydrogen atoms to the Complex IIII Formation of water moleculeIV Production of ATP in the electron transport chain is called oxidative phosphorylation
A
I, II and III
B
I, II and IV
C
I, III and IV
D
I, II, III and IV
Explanation: 

Detailed explanation-1: -Mitochondria are involved in different cellular functions, but they are essentially responsible for cellular ATP production through the so-called oxidative phosphorylation (OXPHOS). This process occurs in the inner mitochondrial membrane (IMM) in specific dynamic membrane invaginations called cristae.

Detailed explanation-2: -The inner membrane of the mitochondrion contains the components of the electron transport chain. Oxidation/reduction reactions along the components of the electron transport chain generate a proton gradient that is used by ATP synthase to phosphorylate ADP, thereby producing ATP.

Detailed explanation-3: -Krebs Cycle (also known as the Citric Acid Cycle): Uses the pyruvate molecules from Glycolysis to generate 2 ATP as well as several molecules of FADH2 and NADH for the electron transport chain. Krebs Cycle takes place in the mitochondrial matrix and requires oxygen.

Detailed explanation-4: -Protons pass Fo via subunit a to the c-ring (Wittig and Schagger 2008). Rotation of subunit within the F1 33 hexamer provides energy for ATP synthesis. This is called “rotary catalysis” (Devenish et al.

There is 1 question to complete.