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Red Muscle Fibre

........... e...

Question

........... element is common in haemoglobin and myoglobin.

A

Fe

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B

Cu

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C

Mn

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D

Mg

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Solution

The correct option is A Fe
Hemoglobin and myoglobin are iron containing pigments present in higher animals. Hemoglobin serves to transport oxygen in blood whereas myoglobin serves to store oxygen in muscles.

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Q. What is the common element in haemoglobin and myoglobin?

Q. Which among the following is/are correct regarding alpha and beta thalassemia?
(A) Number of gene mutations decide the severity of the condition
(B) Haemoglobin fails to produce enough alpha protein of myoglobin in alpha-thalassemia
(C) Haemoglobin fails to produce enough alpha protein of haemoglobin in alpha-thalassemia
(D) Haemoglobin fails to produce enough beta protein of haemoglobin in beta-thalassemia
(E) Thalassemia (alpha and beta) is a qualitative disorder

Q. Haemoglobin has 4 subunits while myoglobin has only 1 subunit. Then each will show which among the following conformations respectively?

Q. Carefully study the graphical representation given below w.r.t. affinity of pigments for oxygen.

ऑक्सीजन के लिए वर्णकों की बंधुता के संदर्भ में नीचे दिए गए आरेखीय निरुपण का ध्यानपूर्वक अध्ययन कीजिए।

Choose the option that correctly mentions the molecules whose affinity for oxygen is shown in curve A, B and C.

उस विकल्प का चयन कीजिए जो उन अणुओं को सही रूप से इंगित करता है जिनकी ऑक्सीजन के लिए बंधुता को वक्र A, B और C में दर्शाया गया हैं।

	Curve-A वक्र -A	Curve-B वक्र -B	Curve-C वक्र -C
(1)	Myoglobin मायोग्लोबिन	Foetal haemoglobin भ्रूणीय हीमोग्लोबिन	Adult haemoglobin वयस्क हीमोग्लोबिन
(2)	Adult haemoglobin वयस्क हीमोग्लोबिन	Foetal haemoglobin भ्रूणीय हीमोग्लोबिन	Myoglobin मायोग्लोबिन
(3)	Foetal haemoglobin भ्रूणीय हीमोग्लोबिन	Adult haemoglobin वयस्क हीमोग्लोबिन	Myoglobin मायोग्लोबिन
(4)	Myoglobin मायोग्लोबिन	Adult haemoglobin वयस्क हीमोग्लोबिन	Foetal haemoglobin भ्रूणीय हीमोग्लोबिन

Q. Which essential element is found in haemoglobin, porphyrins and cytochromes?

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