15 Questions
Where is the electron transport chain located in the mitochondria?
Inner membrane
What is the function of the intermembrane space in the mitochondria?
It has a low pH due to the high concentration of protons
What is the site of ATP synthesis in the mitochondria?
Matrix
What is the structure of the outer membrane of the mitochondria?
Smooth and permeable to several small molecules
What is found in the matrix of the mitochondria?
Ribosomes, enzymes, and circular mitochondrial DNA
What is the main respiratory substrate used by cells?
Glucose
Where does glycolysis take place?
Cell cytoplasm
What is the equation for aerobic respiration using glucose?
C6H12O6 + 6O2 → 6CO2 + 6H2O + 2870kJ
In which location does the Krebs cycle take place?
Matrix of the mitochondria
What is the role of ATP in aerobic respiration?
ATP provides energy for other biological processes in cells.
Which coenzymes are responsible for transferring hydrogen between molecules during respiration?
NAD and FAD
What would happen if a large amount of energy was suddenly released during aerobic respiration?
It would result in an increase in body temperature to levels that would denature enzymes.
What determines the overall rate of aerobic respiration?
The enzyme that catalyses these reactions the slowest.
What is the main fuel for respiration?
Glucose
What is responsible for the transfer of acetate from one molecule to another during respiration?
Coenzyme A
Test your knowledge of respiration with this quiz covering topics such as overview of respiration, glycolysis, link reaction & Krebs cycle, the electron transport chain, anaerobic respiration, respiratory quotient, and core practicals on investigation of respiration in yeast and using a respirometer.
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