Oxygen in our blood is transported by a protein named

A. Keratin

B. Myoglobi

C. Collagen

D. Haemoglobin

Answer: Option D

Solution(By Examveda Team)

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits.

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Related Questions on Biology

Ozone hole refers to

A. hole in ozone layer

B. decrease in the ozone layer in troposphere

C. decrease in thickness of ozone layer in stratosphere

D. increase in the thickness of ozone layer in troposphere