Neet Solved Paper 2015 Question 53
Question: Cytochromes are found in
Options:
A) matrix of mitochondria
B) outer wall of mitochondria
C) cristae of mitochondria
D) lysosomes
Show Answer
Answer:
Correct Answer: C
Solution:
- Cytochromes are present on the cristae, i.e. inner foldings of mitochondria. Cytochromes are iron (heme) containing proteins primarily responsible for transfer of electrons in ETC from ubiquinone to complex-V for generation of ATP (energy molecules) and terminal acceptor $ O _2 $ in electron transport chain. They are also called respiratory pigments, which are capable of performing both the oxidation and reduction reactions.
