Question

Question Completion Status: QUESTION 1 Which of the following statements is not true of enzymes? They are essential to all life processes. They are all proteins They are involved in synthesis reactions only They are all catalysts. QUESTION 2 The main route for excretion of cholesterol from the body is: via the lungs. in the urine in the feces through the skin. Click Save and Submit to save and submit. Click Save All Answers to save all answers.

Answer 1

1 ) Enzymes :

Enzymes are the small molecules that present in the cells of the body to speed up or catalyse the biochemical reactions .

All enzymes are made up of proteins

They are very essential to all life processes.

All enzymes are act like catalysts because it speeds up the chemical reaction without undergoing any permanent change in the enzyme.

But they are not only acting in synthesis process but also useful in Dna replication and other processes.

So the answer is c which is not applicable for enzymes.

2) cholesterol :

cholesterol is a waxy substance that present in our body . It is the essential structural component of the body .

In normal levels it builds up the healthy cells but high levels of cholesterol cause heart diseases.

The elimination of excess cholesterol is necessary , done by

liver through bile salts .

HDL acts in reverse cholesterol transport ,it collects the cholesterol from cells and mix with bile acids , later bile salts and acids reabsorbed in intestine and The cholesterol eliminated through feaces.

so the answer is c) The cholesterol is eliminated through feaces.