22 Questions
What is the primary function of the cristae in mitochondria?
To increase the surface area for chemical reactions
What is the primary mechanism of transporting molecules across the mitochondrial membrane?
Active transport through transport proteins
During which stage of cellular respiration is a significant amount of ATP produced?
Oxidative phosphorylation
What is the byproduct of glycolysis that is required for the next step in the mitochondria?
Pyruvate
Where does glycolysis occur in the cell?
Cytosol
What is the purpose of phosphorylation in the first step of glycolysis?
To add phosphates to glucose
What is the primary function of cellular respiration?
To produce ATP from glucose
What is the role of oxidative phosphorylation in cellular respiration?
To generate ATP from the electron transport chain
What is the product of the metabolic pathway involved in cellular respiration?
ATP
Which stage of cellular respiration is responsible for generating the majority of ATP?
Oxidative phosphorylation
What is the role of chemiosmosis in oxidative phosphorylation?
To generate a proton gradient across the inner mitochondrial membrane
Why is the yield of ATP not 100% efficient in cellular respiration?
Because of the energy lost as heat
During glycolysis, what is the result of STEP 1 - PHOSPHORYLATION?
Fructose bisphosphate is formed
What is the net ATP production in glycolysis?
2 ATP
What is the role of pyruvate translocase in cellular respiration?
To transport pyruvate into the mitochondria
What is the byproduct of the link reaction that is used in the electron transport chain?
NADH and FADH2
What is the purpose of the electron transport chain?
To transport electrons from one member of the transport chain to another
What is the result of 2 pyruvate molecules entering the link reaction?
2 NADH and 2 FADH2 are produced
What is the net ATP production in the electron transport chain?
32-34 ATP
What is the purpose of chemiosmosis in oxidative phosphorylation?
To transport protons across the inner mitochondrial membrane
What is the net ATP production in cellular respiration?
36-38 ATP
What is the purpose of oxidative phosphorylation?
To produce ATP through the electron transport chain
Test your understanding of the structure and functions of mitochondria, including the cristae, intermembrane space, and matrix. Learn about the production of ATP and the regulation of molecule movement.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
