NEET Solved Paper 2017 Question 7
Question: Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature?
| [a] | They do not need to reproduce | |
| [b] | They are somatic cells | |
| [c] | They do not metabolize | |
| [d] | All their internal space is available for oxygen transport |
Options:
A) [b] and [c]
B) Only [d]
C) Only [a]
D) [a], [c] and [d]
Show Answer
Answer:
Correct Answer: B
Solution:
- In Human RBCs, nucleus degenerates during maturation which provide more space for oxygen carrying pigment (Haemoglobin). It lacks most of the cell organelles including mitochondria so respires anaerobically.
