FOOD TECHNOLOGY

FOOD CHEMISTRY

CARBOHYDRATES PROTEINS AND LIPIDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is NOT an element in proteins?
A
carbon
B
phosphorus
C
oxygen
D
nitrogen
Explanation: 

Detailed explanation-1: -sulphur. Explanation: Proteins, carbohydrates and lipids are made from three basic molecules: carbon, hydrogen and oxygen. However, all proteins contain an element not found in carbohydrates and lipids is nitrogen.

Detailed explanation-2: -All proteins contain four elements, carbon, hydrogen, oxygen and nitrogen, with most proteins also containing sulfur. Further, there are proteins which also contain phospho-rus, iodine, iron, copper and zinc. These elements are contained in the proportions shown below, with percentages varying in each protein.

Detailed explanation-3: -Answer and Explanation: If the proteins are composed of the naturally occurring amino acid, the protein will have no phosphorus in the structure. All of the naturally occurring amino acids have no Phosphorus atom in the structure.

There is 1 question to complete.