Proteins

Front

What is denaturing in proteins?

Back

Denaturing is the process where a protein loses its natural shape due to changes in temperature or pH, affecting its function.

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms.

Front

How many different amino acids are there?

Back

There are 20 different amino acids that combine to form proteins.

Front

What is a polypeptide?

Back

A polypeptide is the initial chain of amino acids (monomers) that forms a protein.

Front

Which of the following is NOT a source of dietary protein?

Back

Apples are not a source of dietary protein.

Front

What role do proteins play in the body?

Back

Proteins are essential for building and repairing tissues, making enzymes and hormones, and supporting immune function.

Front

What are the building blocks of proteins?

Back

The building blocks of proteins are amino acids.

Front

What is the primary structure of a protein?

Back

The primary structure of a protein is the sequence of amino acids in a polypeptide chain.

Front

What is the secondary structure of a protein?

Back

The secondary structure refers to the local folded structures that form within a protein due to hydrogen bonding, such as alpha helices and beta sheets.

Front

What is the tertiary structure of a protein?

Back

The tertiary structure is the overall three-dimensional shape of a protein, formed by the folding of the polypeptide chain.