BIOMOLECULES AND ENZYMES

BIOLOGY

CARBOHYDRATES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
High-fructose corn syrup is made from corn. The main carbohydrate in corn is a polysaccharide called
A
cellulose
B
starch
C
fructose
D
None of the above
Explanation: 

Detailed explanation-1: -High-fructose corn syrup is produced from corn starch which is a polymer of glucose. The starch is hydrolyzed to separate the glucose monomers and then chemically treated to convert some of the glucose to fructose. Most high-fructose corn syrup is 55% fructose and 45% glucose.

Detailed explanation-2: -Scientifically speaking, HFCS is a type of carbohydrate, a mixture of two monosaccharides: fructose and glucose.

Detailed explanation-3: -Where does HFCS come from? HFCS is derived from corn starch. Starch itself is a chain of glucose (a simple sugar) molecules joined together. When corn starch is broken down into individual glucose molecules, the end product is corn syrup, which is essentially 100% glucose.

Detailed explanation-4: -Sugar is classified as a disaccharide (two molecules) while corn syrup (as it is made from starch) is a polysaccharide (many molecules).

Detailed explanation-5: -Glucose and fructose are examples of monosaccharides, meaning they consist of a single sugar unit, while sucrose is an example of a disaccharide.

There is 1 question to complete.