Protein Flashcard
What are proteins made of?
Proteins are made of amino acids
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What are proteins made of?
Proteins are made of amino acids
What is the primary function of proteins?
Proteins perform a wide range of functions including catalyzing reactions, signaling, and providing structure
What are the building blocks of proteins?
Amino acids
How many different amino acids are there?
20 different amino acids
What is a peptide bond?
A bond that links amino acids together in a protein chain
What determines a protein's function?
A protein's function is determined by its three-dimensional structure
What is the primary structure of a protein?
The sequence of amino acids in a polypeptide chain
What is the secondary structure of a protein?
The folding of the polypeptide chain into alpha-helices or beta-sheets due to hydrogen bonding
What is the tertiary structure of a protein?
The overall three-dimensional shape of a single polypeptide chain
What is the quaternary structure of a protein?
The structure formed by the assembly of multiple polypeptide chains
What is an enzyme?
A protein that acts as a catalyst to speed up chemical reactions in the body
What is denaturation?
The process in which a protein loses its native shape and function due to external stress, like heat or pH change
What is the role of hemoglobin?
Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the rest of the body
What is the role of antibodies?
Antibodies are proteins that help the immune system recognize and neutralize foreign substances
What is protein synthesis?
The process by which cells build proteins based on the instructions in DNA