Step Description of Step
Р The electrons carried by FADH2 pass through this chain.
Q
ADP is converted to ATP in this process.
ROxygen atoms combine with Hions to form water molecules.
S Water molecules split into oxygen and hydrogen atoms.
The electron transport chain is common to both respiration and photosynthesis. However, there are some differences in the steps
involved in the electron transport chain in both processes. The table lists some steps in the electron transport chain.
Which of these CORRECTLY shows where the steps take place?
A)
P:both mitochondria and chloroplast, Q: only mitochondria, R: only
chloroplast, S:both mitochondria and chloroplast
B)
P: only mitochondria, Q: both mitochondria and chloroplast, R: both
mitochondria and chloroplast, S: only chloroplast
P: only chloroplast, Q:both mitochondria and chloroplast, R: both
mitochondria and chloroplast, S: only mitochondria
D)
P: only mitochondria, Q: only chloroplast, R: both mitochondria and
chloroplast, S: both mitochondria and chloroplast