When hemoglobin transitions from the R-state to the T-state, which of the following occurs? A. The porphyrin ring becomes slightly "puckered" and the iron in each heme is pulled slightly out of its plane B. It releases CO2 C. It releases protons D. Its subunits dissociate

Q: ӘР, T.

A:

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Q: C. A- 1. C'

A:

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A:

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A:

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Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.