Cytochrome c

Q. Cytochrome c is a mobile carrier of electrons between ______________.

1. complex I and complex II
2. complex II and complex III
3. complex III and complex IV
4. complex I and complex IV

Q. If the central Mg atom is replaced by Fe, the chlorophyll becomes a

1. Catalase
2. Phytochrome
3. Cytochrome
4. None of the above

Q. Cyanide kills an animal by:

1. Killing the brain cells
2. Killing the cells of cardiac muscles
3. Competitive inhibitor of enzyme cytochrome oxidise
4. Inhibiting cytochrome oxidase, a mitochondrial enzyme essential for cellular respiration by non-competitive inhibition

Q. Cytochrome c is a mobile carrier of electrons between ______________.

1. complex I and complex II
2. complex II and complex III
3. complex III and complex IV
4. complex I and complex IV

Q. In the ETC, electrons from Complex III are transfered to Complex IV by

1. Ubiquinone
2. Complex I
3. Complex II
4. Cytochrome C

Q. The heam protein essential for ETC is

1. Myoglobin
2. Phytochrome
3. Cytochrome C
4. Chlorophyll