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The smaller unit molecules which combine to form proteins and polypeptides are called amino acids. The amino acids are joined to each other by peptide bonds.

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The smaller unit molecules which combine to form proteins and polypeptides are called?

amino acids


What smaller molecules result when proteins are chemically changed by digestion?

The first product of proteins digestion are polypeptides.


What is the chief function of pepsin?

Cleaves proteins into smaller polypeptides


Are polypeptides made of polysaccharides?

No. Polypeptides and polysaccharides are two different types of macromolecules. The first class is commonly called "proteins" and the second is commonly called "sugars." Both are polymers - molecules that are composed of smaller subunits called monomers. Polypeptides ― or proteins ― are composed of monomers called amino acids. In contrast, polysaccharides are composed of monomers called monosaccharides.


Is effect of pepsin on proteins a chemical reaction?

Yes, it is. Proteins in the presence of pepsin are converted into peptide chains (polypeptides). The reaction is : Proetins→ (In the presence of pepsin-to be written over the arrow) Polypeptides.


What is the gastric enzyme that breaks down proteins into smaller polypeptides?

The gastric enzyme that breaks down proteins into smaller polypeptides is pepsin. It is produced in the stomach and activated from its precursor, pepsinogen, in the acidic environment of gastric juice. Pepsin plays a crucial role in protein digestion by cleaving peptide bonds, facilitating further breakdown of proteins in the digestive process.


What nutrient does peptidase act on?

Peptidase acts on proteins, breaking them down into smaller peptides or amino acids. It helps in the digestion and absorption of proteins in the body.


What joining proteins are made into long chains called polypeptides?

Amino acids by (mostly linear) peptidic bonding


What converts polypeptides into smaller polypeptides during digestion?

Aminopeptidase & carboxypeptidase


What describes starches fats proteins and DNA?

They are complex molecules made from smaller molecules.


What do you call the smaller molecules which proteins made from?

amino acids


How do cells get the proteins they need from foods?

enzymes breaks down food proteins into smaller molecules that can be carried by blood