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Questions and Answers
What is the term derived from a Greek word proteios, meaning first place?
What is the term derived from a Greek word proteios, meaning first place?
- Organic molecules
- Amino acids
- Nitrogenous compounds
- Proteins (correct)
What type of proteins consists of more than one subunit?
What type of proteins consists of more than one subunit?
- Quaternary proteins (correct)
- Secondary proteins
- Tertiary proteins
- Primary proteins
Which type of proteins has a folded structure from one subunit due to the presence of inter disulfide bond and inter hydrogen bonds?
Which type of proteins has a folded structure from one subunit due to the presence of inter disulfide bond and inter hydrogen bonds?
- Tertiary proteins (correct)
- Secondary proteins
- Primary proteins
- Quaternary proteins
What did Dutch chemist G.J.Mulder find when investigating substances like those found in milk and egg?
What did Dutch chemist G.J.Mulder find when investigating substances like those found in milk and egg?
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What constitutes about 50% of the cellular dry weight?
What constitutes about 50% of the cellular dry weight?
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Study Notes
Protein Basics
- The term "protein" is derived from the Greek word "proteios", meaning "first place".
Multimeric Proteins
- Proteins consisting of more than one subunit are called multimeric proteins.
Monomeric Proteins
- Proteins with a folded structure from one subunit, due to the presence of inter disulfide bonds and inter hydrogen bonds, are called monomeric proteins.
History of Proteins
- Dutch chemist G.J. Mulder discovered proteins while investigating substances like those found in milk and egg.
Cellular Composition
- Proteins constitute about 50% of the cellular dry weight.
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