The primary oxygen carrier or respiratory pigment in blood of frog and other vertebrates is
A
Myoglobin
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B
Cytochorome
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C
Haemoglobin
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D
Haemocyanin
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Solution
The correct option is B Haemoglobin
Myoglobin is a heme protein, which binds to and acts as a store for oxygen in the muscle cells of vertebrates.
Cytochromes are membrane-bound heme-proteins and are primarily responsible for the generation of ATP via electron transport chain. The cytochrome P450 oxidase family of cytochromes are primarily involved in steroidogenesis and detoxification.
Haemoglobin is the iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates.
Hemocyanin is blue copper-containing respiratory pigment in crustaceans and molluscs that have a similar function as haemoglobin.