Q. Thermogenin in the inner membrane of brown fat cell mitochondria does all of the following except? A. Generates heat by non-shivering thermogenesis. B. Disturbs the proton gradient that was … Read more
Q. Brown fat cells produce a protein called thermogenin in their mitochondrial inner membrane. Thermogenin is a channel for facilitated transport of protons across the membrane. What will occur in … Read more
Q. Which of the following eukaryotic cell structures plays a role in protein trafficking and sorting? A. Mitochondria B. Lysosomes C. Golgi complex D. Nucleus Answer: C (Golgi complex). … Read more
Q. Which of these does not contain a structural protein? A. Tendons B. Muscles C. Ovalbumin D. Ligaments Answer: C (Ovalbumin). Explanation: First we should know what are the … Read more
After which checkpoint is the cell first committed to continue the cell cycle through M? A: G0 B: G1 C: G2 D: S E: Previous M Answer: B … Read more
Which of the following statements about ATP (adenosine triphosphate) is correct? A. As per the second law of thermodynamics, most of the free energy produced from ATP hydrolysis is released … Read more