Questions

Enzymes are protein macromolecules. Enzymes are almost always made of proteins only. Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids. There are 20 different common amino acids that make up proteins like enzymes. Of these, nine amino acids are essential, which means you must get them from your diet.

Enzymes catalyze chemical reactions in biological systems. This means that they speed up the rate of the reaction.

Frame relay is a packet switching technology. It will operate in the data link layer.

The Peloponnesian war, between Athens and Sparta from 431 to 404 BC ended in the defeat of Athens and the destruction of her democracy. Athens became a subject state of sparta. This war marked the beginning of the end of the "Glory that was Greece".

Corrective actions are part of the process after establishing objectives and checking on the objectives. The next step is to take corrective actions. Answers A, C, D are true statements and therfore are incorrect for this question.

The Mediterranean sea separates Europe from Africa.