The deficiency of vitamin -B1 causes
beri-beri
scurvy
rickets
anaemia
A.
beri-beri
Beri-beri is caused by deficiency of vitamin-B1.
Enzymes are made up of
edible proteins
proteins with specific structure
nitrogen contaning carbohydrates
carbohydrates
Which of the following statements about vitamin B12 is incorrect?
It has a cobalt atom.
It also occurs in plants.
It is also present in rain water.
It is needed for human body in very small amounts.
When a biochemical reaction is carried out in laboratory from outside of human body in the absence of enzyme than rate of reaction obtained is 10-6 times, then activation energy of reaction in the presence of enzyme is
6/RT
P is required
different from Ea obtained in laboratory
cannot say anything
The activation energy for a simple chemical reaction A → B is Ea in forward direction. They activation energy for reverse reaction
is negative of Ea
is always less than Ea
can be less than or more than Ea
is always double of Ea