Question

Which of the following is false?
a) Heme consists of a complex organic ring structure, protoporphyrin
b) Protoporphyrin is bound to a single iron atom in its Fe+3 state
c) Iron atom has 6 coordination bonds
d) Heme is found in a number of oxygen transporting proteins

Answer 1

The accurate answer is
b) Protoporphyrin is bound to a single iron atom in its Fe+3 state

Explanation:
Protoporphyrin is bound to a single iron atom in its Fe+2 state. 

Answer 2

Protoporphyrin is bound to a single iron atom in its Fe+3 state is the false statement ,therefore option (b) is correct .

What do you mean by the term protoporphyrin ?

A protoporphyrin or porphyrin is a compound  whose iron complex united with protein occurs in hemoglobin, myoglobin, and certain respiratory pigments.

It is accumulated and excreted excessively in the feces in erythropoietic protoporphyria and variegate porphyria.

The protoporphyrin test is used to diagnose blood problems caused by lead.

It is a biochemically widely used carrier molecule for divalent cations.

Protoporphyrin is bound to a single iron atom in its Fe+3 state is the false statement ,hence option (b) is correct .

Learn more about protoporphyrin ,here:

https://brainly.com/question/13466850

#SPJ2