$A$ mixture of oil in water forms an emulsion. If a protein is shaken up with such an emulsion,what happens?

Which of the following is not a function of water in a cell?

Given below are two statements:
Statement $I$: Low temperature preserves the enzyme in a temporarily inactive state,whereas high temperature destroys enzymatic activity because proteins are denatured by heat.
Statement $II$: When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme,it is known as a competitive inhibitor.
In the light of the above statements,choose the correct answer from the options given below:

The blood concentration of glucose in a normal healthy individual is:

The most abundant intracellular cation is

The figure given below shows three velocity-substrate concentration curves for an enzyme reaction. What do the curves $a, b$ and $c$ depict respectively?