Pick out wrong combination
Haemoglobin
Photosynthesis
Kreb Cycle
Vitamin B-12
Text Solution
Verified by ExpertsC
Iron atom in the Haemoglobin of blood is in the +2 Oxidation state. ie., Iron is present as 
.
is the central atom of the chlorophyll molecule, and fluctuations in its levels in the chloroplast regulate the activity of key photosynthetic enzymes. Relatively little is known of the proteins mediating Mg2+ uptake and transport in plants.
Cobalt is also an essential trace element for humans, and is found at the centre of vitamin B12 and a range of other co-enzymes called cobalamins.
and, in there is no involvement of 
in kreb cycle. Thus, wrong combination is C
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