Given below is a diagrammatic representation of a helical protein where a part of the protein is enlarged.



Identify the amino acids occurring at the N-terminal and C-terminal of the enlarged section of polypeptide respectively.
1. Serine and cysteine 
2. Cysteine and tyrosine
3. Tyrosine and Glutamin acid
4. Seine and Glutamic acid 

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Which of the following is not strictly a biomacromolecule?
1. Proteins
2. Lipids
3. Polysaccharides
4. Nucleic acid
Subtopic:  Element Analysis |
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A secondary metabolite that acts as a toxin is
1. Carotenoids
2. Curcumin
3. Abrin
4. Monoterpenes
 
Subtopic:  Primary & Secondary Metabolites |
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A secondary metabolite that is alkaloid in nature is 
1. Codeine 
2. Anthocyanin
3. Gum 
4. Abrin
Subtopic:  Primary & Secondary Metabolites |
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Peptidoglycan present in bacterial cell envelope is 
1. Made up of cellulose
2. A heteropolymer
3. An oligosaccharide
4. A homopolymer
Subtopic:  Carbohydrates: Introduction |
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The most abundant protein in animal world is
1. Chitin 
2. Collagen
3. Peptidoglycan
4. Hyaluronic acid
 
Subtopic:  Proteins | Introduction to Proteins |
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The amino acids in a protein are held together by
1. Glycosidic bond
2. Phosphodiester bond
3. Peptide bond 
4. Hydrogen bond
Subtopic:  Proteins | Introduction to Proteins |
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A protein found in silk which exhibits β\beta pleated structure is
1. Flbroln
2. Haemoglobin
3. Enzyme
4, α\alpha- Keratin 
Subtopic:  Proteins |
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An example of protein with quaternary structure is 
1. Myoglobin
2. Haemoglobin
3. Keratin
4. All of these
 
Subtopic:  Proteins |
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Lecithin is a 
1. Type of wax
2. Phospholipid
3. Oil 
4. Simple fatty acid
Subtopic:  Lipids |
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