BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The building up of large complex substances from many small individuals units with the release of water is called
A
hydrolysis
B
peptide formation
C
dipeptide assimilation
D
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: -Dehydration synthesis reactions are combination or synthesis reactions which occur between the same or different monomer units with the elimination of water molecules. It is a kind of condensation reaction in which water molecules are eliminated with the addition of two molecules.

Detailed explanation-3: -Dehydration synthesis is the creation of larger molecules from smaller monomers where a water molecule is released. This can be used in the creation of synthetic polymers such as polyethylene terephthalate (PET), or the creation of large biological molecules such as carbohydrate polymers and triglycerides.

Detailed explanation-4: -Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.

Detailed explanation-5: -Since a water molecule is released to form a peptide bond, the process is referred to as dehydration synthesis. This process continues during translation as amino acids join continuously to the preceding one by peptide bonds, forming a polypeptide chain.

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