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Question
The protein part of an enzyme is called:
The protein part of an enzyme is called:
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Solution
The correct option is B Apoenzyme
Most enzymes are made up of a protein part, which is conjugated to a non-protein group called cofactor by covalent or non-covalent interactions. The protein part of the enzyme, which is inactive without the cofactor is called an apoenzyme. It binds to the cofactor, which may be metal ions, or a coenzyme, which are non-proteinaceous simple molecules such as NADH, FADH etc. The apoenzyme and the cofactor together forms the catalytically active enzyme called the holoenzyme.
Lysozyme is a specific enzyme with anti-bacterial property, present in most of the body secretions like tears, saliva, human milk and mucus etc.
Apoenzyme
Most enzymes are made up of a protein part, which is conjugated to a non-protein group called cofactor by covalent or non-covalent interactions. The protein part of the enzyme, which is inactive without the cofactor is called an apoenzyme. It binds to the cofactor, which may be metal ions, or a coenzyme, which are non-proteinaceous simple molecules such as NADH, FADH etc. The apoenzyme and the cofactor together forms the catalytically active enzyme called the holoenzyme.
Lysozyme is a specific enzyme with anti-bacterial property, present in most of the body secretions like tears, saliva, human milk and mucus etc.
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