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Question: Answered & Verified by Expert
The oxygen dissociation curve of haemoglobin is:
BiologyBreathing and Exchange of GasesNEET
Options:
  • A Similar to the growth curve under restricted environmental resources
  • B Sigmoid shape
  • C Hyperbola
  • D Both A and B
Solution:
1537 Upvotes Verified Answer
The correct answer is: Both A and B
When percentage saturation of haemoglobin with O2 is plotted against the pO2, a sigmoid curve is obtained which is termed as oxygen dissociation curve.

A population growing in a habitat with limited resources show initially a lag phase, followed by phases of acceleration and deceleration and finally an asymptote, when the population density reaches the carrying capacity. A plot of N in relation to time (t) results in a sigmoid curve.

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