FOOD TECHNOLOGY

FOOD PROCESSING AND PRESERVATION

FERMENTATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is not true about enzymes?
A
they are composed of protein
B
they are determined by our DNA
C
they are specific to their substrate
D
they are only found in eukaryotes
Explanation: 

Detailed explanation-1: -Answer and Explanation: Enzymes are not only found in eukaryotic cells. Enzymes are also found in prokaryotic cells. Additionally enzymes are even found in viruses.

Detailed explanation-2: -So, the correct answer is ‘Enzymes are used up in reactions’.

Detailed explanation-3: -Therefore enzymes are found in both prokaryotic and eukaryotic systems.

Detailed explanation-4: -Enzymes are biological catalysts which speed up biochemical reactions. According to the most widely accepted theory, enzymes bind to the substrate molecule and form a transition state. During the progress of a reaction the substrates are separated from products by an energy barrier which the substrates need to cross.

There is 1 question to complete.