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Some enzymes require the presence of a non-protein molecule to behave catalytically. An enzymes devoid of this molecule is called a (n)
- Holo enzyme
- Apo enzyme
- Co enzyme
- Zymo enzyme
An Apo enzyme is an inactive enzyme, activation of the enzyme occurs upon binding of an organic or inorganic co-factor. Holo enzyme is an Apo enzyme together with its co-factor. A Holo enzyme is complete and catalytically active. Most co-factors are not covalently bound but instead are tightly bound.
What does NADPH2 provides during the dark reactions?
- Energized electron only
- H+ only
- Both Energized electron and H+
Both Energized electron and H+
NADPH2 provides Both Energized electron and H+ during the dark reactions. When NADPH2 splits it gives NADP+, 2e– and 2H+
NADPH2 ======> NADP+ + 2e– + 2H+
Which of these is a function of saliva?
- Moistening and Lubrication
- Antisepsis and stabilization of pH
- Carbohydrate digestion
- All of above
All of above
Main ingredients of saliva are:
Mucus causing moistening and lubrication,
Sodium bicarbonate causing antisepsis and pH stabilization
Amylase causing carbohydrate digestion