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| 46)Find the basic aminoacids? | |||
| Glutamic acid and aspartic acid | Histidine and proline | ||
| Lysine and arginine | Glycine and alanine | ||
| Answer : | |||
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| 47)The simplest amino acid - | |||
| Tyrosine | Alanine | ||
| Asparagine | Glycine | ||
| Answer : | |||
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| 48)The hormone adrenaline is formed from __________ amino acids | |||
| Tyrosine | Glycine | ||
| Alanine | Tryptophan | ||
| Answer : | |||
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| 49)The aminoacid involves in formation of Heme | |||
| Tyrosine | Glycine | ||
| Tryptophan | Histidine | ||
| Answer : | |||
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| 50)Vitamin nicotinamide and the plant hormone indole-3-acetic acid are formed from | |||
| Alanine | Serine | ||
| Tryptophan | Glutamic acid | ||
| Answer : | |||
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| 51)On losing the carboxyl group as carbon dioxide aminoacids form biologically active | |||
| Amine such as histamine | Glucose | ||
| N-base | Alcohol | ||
| Answer : | |||
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| 52)From which of the following skin pigment melanin is formed | |||
| Threonine and serine | Tyrosine and serine | ||
| Tryptophan and phenylalanine | Phenylalanine and tyrosine | ||
| Answer : | |||
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| 53)Point out the alcoholic amino acid pair? | |||
| Tryptophan and phenylalanine | Phenylalanine and tyrosine | ||
| Tyrosine and serine | Threonine and serine | ||
| Answer : | |||
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| 54)Which one of the following is not an essential amino acid | |||
| Leucine and isoleucine | Lysine and methionine | ||
| Tryptophan and valine | None of these | ||
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| 55)Which of the following amino acid does not contain sulphur? | |||
| Methionine | Tryptophan | ||
| Cysteine | Cystine | ||
| Answer : | |||
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| 56)Which one of the following is heterocyclic amino acid? | |||
| Histidine | Proline | ||
| Hydroxy proline | All of these | ||
| Answer : | |||
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| 57)Which one of the following is a neutral amino acid? | |||
| Glycine | Arginine | ||
| Aspartic | Glutamic acid | ||
| Answer : | |||
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| 58)Find out the non polar amino acid? | |||
| Serine | Glutamic acid | ||
| Alanine | None of these | ||
| Answer : | |||
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| 59)ß - pleated structure of protein is present in silk fibres, the protein is | |||
| Collagen | Keratin | ||
| Rayon | Fibroin | ||
| Answer : | |||
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| 60)Hair keratin has | |||
| ß - pleated structure of protein | α (alpha) helical structure of protein | ||
| Secondary structure of protein | Primary structure of protein | ||
| Answer : | |||
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