The unique properties of each amino acid is determined by its particular:
1. R group
2. amino group
3. kinds of peptide bond
4. number of bonds to other amino acids
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Identify the incorrectly matched pair:
1. | Lecithin | Phospholipid |
2. | Aromatic amino acid | Threonine |
3. | Cytidine | Nucleoside |
4. | Trihydroxy propane | Glycerol |
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1. | α amino acids are substituted methanes |
2. | Only triglycerides are lipids that are both macromolecules as well as polymers |
3. | Cellulose forms secondary helical structures and can hold iodine molecules in the helical portion |
4. | Every virus will have both DNA and RNA as its genetic material |
The R group in a proteinaceous amino acid is hydroxymethyl. This amino acid:
1. is not an essential amino acid
2. is not genetically coded for
3. is involved in disulfide linkage
4. is acidic in nature
Which one of the following statements is wrong?
1. Glycine is a sulphur containing amino acid.
2. Sucrose is a disaccharide.
3. Cellulose is a polysaccharide.
4. Uracil is a pyrimidine.
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1. | Glycerol | Trihydroxy propane |
2. | Lecithin | Phospholipid |
3. | Glycine | Beta amino acid |
4. | Lysine | Basic amino acid |