(A Jeopardy question) The diagram shows processes happening within a cell.
A scientist is investigating what occurs at point X on the diagram. What question is the scientist most likely attempting to answer?
a
Where does the Calvin cycle occur?
b
Where does glycolysis occur?
c
Where does the Krebs cycle occur?
d
Where does electron transport occur?
d) Where does electron transport occur?
To determine what the scientist is most likely attempting to answer at point X on the diagram, we need to understand each of the processes mentioned in the answer choices and their respective locations within the cell.
a) The Calvin cycle is a series of reactions that occur in the chloroplasts of plant cells. It is involved in the conversion of carbon dioxide into glucose during photosynthesis.
b) Glycolysis is the process by which glucose is broken down in the cytoplasm of cells to produce energy in the form of ATP.
c) The Krebs cycle, also known as the citric acid cycle, takes place in the mitochondria of cells. It is part of the aerobic respiration pathway and involves the breakdown of glucose to release energy.
d) Electron transport, also known as the electron transport chain, occurs in the inner mitochondrial membrane. It is the final step of aerobic respiration and involves the transfer of electrons to generate ATP.
Based on this information, it is clear that the scientist is most likely attempting to answer the question "Where does the Krebs cycle occur?" as the Krebs cycle specifically happens within the mitochondria, while the other processes mentioned occur in different locations.