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Questions and Answers
Which elements are present in proteins?
Which elements are present in proteins?
- Carbon, hydrogen, nitrogen
- Carbon, nitrogen, oxygen
- Carbon, hydrogen, oxygen, nitrogen (correct)
- Carbon, hydrogen, oxygen
What are the building blocks of proteins?
What are the building blocks of proteins?
- Carbohydrates
- Amino acids (correct)
- Fatty acids
- Nucleic acids
How are amino acids linked together in proteins?
How are amino acids linked together in proteins?
- By covalent bonds
- By hydrogen bonds
- By peptide bonds (correct)
- By ionic bonds
What is the term for a chain of three amino acids joined together?
What is the term for a chain of three amino acids joined together?
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What is the difference between essential and non-essential amino acids?
What is the difference between essential and non-essential amino acids?
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Study Notes
Protein Composition
- Proteins are composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur
- These elements are the building blocks of proteins
Amino Acids
- Amino acids are the building blocks of proteins
- There are 20 different amino acids that the human body uses to build proteins
Peptide Bonds
- Amino acids are linked together in proteins through peptide bonds
- Peptide bonds are formed through a condensation reaction, releasing water
- This bond is strong and requires energy to break
Tripeptide
- A chain of three amino acids joined together is called a tripeptide
Essential and Non-Essential Amino Acids
- Essential amino acids cannot be synthesized by the human body and must be obtained through diet
- Non-essential amino acids can be synthesized by the human body from other amino acids
- There are 9 essential amino acids and 11 non-essential amino acids
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Description
Test your knowledge of amino acids and proteins with this quiz! Learn about the essential components of proteins, the structure of amino acids, and how they join together to form peptides and polypeptides. Differentiate between essential and non-essential amino acids.
