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Flashcards on Biochemistry of Proteins
Click on the flashcard to see the answer
What are proteins made up of?
Amino acids
What is the primary structure of a protein?
The sequence of amino acids
What is the secondary structure of a protein?
The folding of the polypeptide chain into alpha helices and beta sheets
What is the tertiary structure of a protein?
The three-dimensional folding of the polypeptide chain
What is the quaternary structure of a protein?
The arrangement of multiple polypeptide chains in a protein
What are the functions of proteins?
Enzymes, antibodies, transport, structural support
What is denaturation of a protein?
The unfolding or disruption of protein structure, usually due to heat or extreme pH
What is protein synthesis?
The process by which cells build proteins using DNA as a template
What are the building blocks of proteins?
Amino acids
What are the different types of amino acids?
Essential, nonessential, and conditionally essential
What is the function of an enzyme?
To catalyze chemical reactions
What is the role of antibodies in the immune system?
To recognize and neutralize foreign substances
What is the primary source of dietary protein?
Animal products and plant-based foods such as legumes and nuts
What are some examples of structural proteins?
Collagen, keratin, and actin
What is the function of transport proteins?
To facilitate the movement of molecules across cell membranes
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Test Your Knowledge
What is the primary structure of a protein?
The folding of the polypeptide chain into alpha helices and beta sheets
The sequence of amino acids
The three-dimensional folding of the polypeptide chain
The arrangement of multiple polypeptide chains in a protein
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What is denaturation of a protein?
The folding or disruption of protein structure, usually due to heat or extreme pH
The unfolding or disruption of protein structure, usually due to heat or extreme pH
The synthesis of proteins using DNA as a template
The arrangement of multiple polypeptide chains in a protein
Check Answers
What are the building blocks of proteins?
Nucleotides
Amino acids
Fatty acids
Carbohydrates
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What is the function of an enzyme?
To facilitate the movement of molecules across cell membranes
To recognize and neutralize foreign substances
To catalyze chemical reactions
To provide structural support
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What is the role of antibodies in the immune system?
To recognize and neutralize foreign substances
To facilitate the movement of molecules across cell membranes
To catalyze chemical reactions
To provide structural support
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What is the primary source of dietary protein?
Fruits and vegetables
Animal products and plant-based foods such as legumes and nuts
Grains
Dairy products
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What are some examples of structural proteins?
Collagen, keratin, and actin
Enzymes, antibodies, and hormones
Globulins, albumins, and fibrinogens
Hemoglobin, myoglobin, and cytochromes
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What is the function of transport proteins?
To catalyze chemical reactions
To recognize and neutralize foreign substances
To facilitate the movement of molecules across cell membranes
To provide structural support
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What is the secondary structure of a protein?
The folding of the polypeptide chain into alpha helices and beta sheets
The sequence of amino acids
The three-dimensional folding of the polypeptide chain
The arrangement of multiple polypeptide chains in a protein
Check Answers
What is protein synthesis?
The folding or disruption of protein structure, usually due to heat or extreme pH
The process by which cells build proteins using DNA as a template
The arrangement of multiple polypeptide chains in a protein
The recognition and neutralization of foreign substances by antibodies
Check Answers
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