(D) Vitamin $B_{12}$,also known as cobalamin,is a complex organometallic compound.It contains a central cobalt ion $(Co^{3+})$ coordinated to a corrin

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(D) Vitamin $B_{12}$,also known as cobalamin,is a complex organometallic compound.It contains a central cobalt ion $(Co^{3+})$ coordinated to a corrin ring system.$A$ characteristic feature of its structure is the presence of a cyanide group $(-CN)$ attached to the cobalt atom,forming a cobalt-cyanide linkage.Therefore,the correct option is $D$.

Class 11 Biology Biomolecules Mix Examples- Biomolecules

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Which vitamin contains a cobalt-cyanide linkage?

A
Vitamin $A$
B
Vitamin $B_1$
C
Vitamin $B_6$
D
Vitamin $B_{12}$

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Which of the following is a source of Vitamin $C$?

Easy

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Match the following:
$(a)$ Inhibitor of catalytic activity $(i)$ Ricin
$(b)$ Possess peptide bonds $(ii)$ Malonate
$(c)$ Cell wall material in fungi $(iii)$ Chitin
$(d)$ Secondary metabolite $(iv)$ Collagen

Choose the correct option from the following:

MediumNEET 2020

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$A$ deficiency of which of the following causes continuous bleeding from an injured part of the body?

Easy

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Match the following columns:
Column $I$ Column $II$
$(a)$ Fructose $(p)$ Respiratory substrate
$(b)$ Glucose $(q)$ Found in fruit juices
$(c)$ Starch $(r)$ Responsible for sweetness of milk
$(d)$ Galactose $(s)$ Stored food in plants

Medium

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Match the following columns:
Column-$I$ Column-$II$
$(1)$ Lipid $(p)$ Curcumin
$(2)$ Collagen $(q)$ Morphine
$(3)$ Alkaloids $(r)$ Intercellular ground substance
$(4)$ Drugs $(s)$ Lecithin

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$(a)$ Inhibitor of catalytic activity	$(i)$ Ricin
$(b)$ Possess peptide bonds	$(ii)$ Malonate
$(c)$ Cell wall material in fungi	$(iii)$ Chitin
$(d)$ Secondary metabolite	$(iv)$ Collagen

Column $I$	Column $II$
$(a)$ Fructose	$(p)$ Respiratory substrate
$(b)$ Glucose	$(q)$ Found in fruit juices
$(c)$ Starch	$(r)$ Responsible for sweetness of milk
$(d)$ Galactose	$(s)$ Stored food in plants

Column-$I$	Column-$II$
$(1)$ Lipid	$(p)$ Curcumin
$(2)$ Collagen	$(q)$ Morphine
$(3)$ Alkaloids	$(r)$ Intercellular ground substance
$(4)$ Drugs	$(s)$ Lecithin

Which vitamin contains a cobalt-cyanide linkage?

Similar Questions

Which of the following is a source of Vitamin $C$?

Match the following:$(a)$ Inhibitor of catalytic activity$(i)$ Ricin$(b)$ Possess peptide bonds$(ii)$ Malonate$(c)$ Cell wall material in fungi$(iii)$ Chitin$(d)$ Secondary metabolite$(iv)$ CollagenChoose the correct option from the following:

$A$ deficiency of which of the following causes continuous bleeding from an injured part of the body?

Match the following columns:Column $I$Column $II$$(a)$ Fructose$(p)$ Respiratory substrate$(b)$ Glucose$(q)$ Found in fruit juices$(c)$ Starch$(r)$ Responsible for sweetness of milk$(d)$ Galactose$(s)$ Stored food in plants

Match the following columns:Column-$I$Column-$II$$(1)$ Lipid$(p)$ Curcumin$(2)$ Collagen$(q)$ Morphine$(3)$ Alkaloids$(r)$ Intercellular ground substance$(4)$ Drugs$(s)$ Lecithin

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Match the following:
$(a)$ Inhibitor of catalytic activity $(i)$ Ricin
$(b)$ Possess peptide bonds $(ii)$ Malonate
$(c)$ Cell wall material in fungi $(iii)$ Chitin
$(d)$ Secondary metabolite $(iv)$ Collagen

Choose the correct option from the following:

Match the following columns:
Column $I$ Column $II$
$(a)$ Fructose $(p)$ Respiratory substrate
$(b)$ Glucose $(q)$ Found in fruit juices
$(c)$ Starch $(r)$ Responsible for sweetness of milk
$(d)$ Galactose $(s)$ Stored food in plants

Match the following columns:
Column-$I$ Column-$II$
$(1)$ Lipid $(p)$ Curcumin
$(2)$ Collagen $(q)$ Morphine
$(3)$ Alkaloids $(r)$ Intercellular ground substance
$(4)$ Drugs $(s)$ Lecithin