Why are hemoglobin red?

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It is due its bound porphyrin moiety which imparts red color. This misconception should be cleared that it is not due to iron bound to porphyrin.
[Note: porphyrin+iron ------> heme ,,,, heme+globin------> hemoglobin]
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Do red blood cells contain hemoglobin?

Yes healthy red blood cells contain hemoglobin, the hemoglobin bonds to oxygen in the lungs and is the primary oxygen transport system of the body.

Does red meat increase hemoglobin?

Well red meat has iron in it which is necessary for the hemoglobin (it is full of iron) but it will not increase the amount, just improve functionality if you are lacking.

Why is hemoglobin present in red blood cells?

It makes the red blood cell much better at carrying oxygen!! It can absob oxygen easily and doesn't "leak" oxygen as the blood travels to the body tissues where the oxygen is

Why does hemoglobin make blood red?

Blood contains a protein called hemoglobin. Hemoglobin, which contains iron, is found in red blood cells and is the ingredient that makes blood red. Hemoglobin transports oxyg
In Blood

What does hemoglobin do for red blood cells?

Basically, hemoglobin is a protein molecule in your blood that carries the oxygen you breath in and the carbon dioxide you breath out. As a point of interest, hemoglobin also

Will blood be red without hemoglobin?

No. The primary cause of the red color we associate with arterial blood is caused by the color of hemoglobin in its oxygen bound state. If I may speculate as to what color