12 Questions
What is the common structural feature shared by all proteins?
Linear polymers of amino acids
Which class of molecules are essential for every life process?
Proteins
What determines the role of an amino acid in a protein?
Its distinctive side chain (R group)
How many standard amino acids are found in mammalian proteins?
20
Which group of proteins fight infectious agents in the body?
Immunoglobulins
What type of organic molecules are amino acids?
Molecules possessing both carboxyl and amino groups
What is the main function of contractile proteins?
Movement
Which component of an amino acid determines its role in a protein?
Side chain R group
What is the distinctive feature of the side chain in amino acids?
It is unique for each amino acid
Which class of molecules are essential for directing and regulating metabolism?
Polypeptide hormones
What type of proteins are responsible for fighting infectious agents in the body?
Immunoglobulins
Which organic molecules possess both carboxyl and amino groups?
Amino acids
Explore the importance and structural features of proteins, the most abundant and functionally diverse molecules in living systems. Learn about their roles in various life processes and examples of key protein types like enzymes, hormones, and contractile proteins.
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