MCQ
A molecule of $ATP$ is formed when electron passes from
- A$Cyt$ $c$ to $Cyt$ $a$
- B$Cyt$ $a$ to $Cyt$ $c$
- ✓$Cyt$ $b$ to $Cyt$ $c$
- D$Cyt$ $c$ to $Cyt$ $b$
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$(I)$ $RBCs$ are formed in the white bone marrow in adults.
$(II)$ $RBCs$ have red colour because presence of protein called haemoglobin.
$(III)$ Nucleus is present in $RBC$ in most of the mammals and are biconcave in shape.
$(IV)$ A healthy individual has $12 -16\, gms$ of haemoglobin in every $1000\, ml$ of blood.