LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Monomers combine to form ____ through the process of ____
A
polymers; hydrolysis
B
polymers; dehydration synthesis
C
monomers; hydrolysis
D
monomers; dehydration synthesis
Explanation: 

Detailed explanation-1: -The monomers combine with each other using covalent bonds to form larger molecules known as polymers. In doing so, monomers release water molecules as byproducts. This type of reaction is known as dehydration synthesis, which means “to put together while losing water.”

Detailed explanation-2: -In the dehydration synthesis reaction above, two molecules of the sugar glucose (monomers) combine to form a single molecule of the sugar maltose. One of the glucose molecules loses an H, the other loses an OH group, and a water molecule is released as a new covalent bond forms between the two glucose molecules.

Detailed explanation-3: -In biology, dehydration synthesis forms large polymers commonly referred to as biological macromolecules. These include molecules like proteins, lipids (fatty acids), nucleic acids (DNA and RNA), and carbohydrates.

Detailed explanation-4: -Dehydration synthesis is a reaction between two monomers to form polymers.

Detailed explanation-5: -For example, glucose monomers are the constituents of starch, glycogen, and cellulose. These three are polysaccharides, classified as carbohydrates, that have formed as a result of multiple dehydration synthesis reactions between glucose monomers.

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