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Yeast is a good source of (I) B-comple...

Yeast is a good source of
(I) B-complex vitamins
(II) Sulphur containing amino acids
(III) proteins

A

I & II only

B

I & III only

C

III and IV

D

II and IV

Text Solution

Verified by Experts

The correct Answer is:
B
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{:("List - I","List - II"),("(A) Acidic amino acid","(p) Valine"),("(B) Neutral amino acid","(q) Methionine"),("(C ) Sulphur containing amino acid","(r ) Aspartic acid"),("(D) Hydroxyl group","(s) Serine"),(" containing amino acid","(t) Cysteine"):}

The nutrient culture medium is a misture of I) Essential nutrients II) Amino acids (III) Vitamins (IV) Carbohydrates

Which of the following reactions of acetic acid involves C - OH bond ? (I) Action of Na (II) Formation of acid chloride (III) Action with NaHCO_3 (IV) Formation of an ester

Which of the following statements are correct ? (A) A tripeptide had two peptide bonds. (B) A penapeptide contains five amino acids. (C ) Nucleotide is a product of base and sugar (D) In cellulose, beta -glycosidic linkages are present.

Basal medium does not esentially require (I) Vitamins (II) NAA (III) Cytokinins (IV) Carbohydrates

Order of acidity of benzoic acid (I), 4-methoxybenzoic acid (II), acetic acid (III) and 4-nitrobenzoic acid (IV) is

alpha - amino acids are high melting crystalline solids because of the zwitterion structure. They are moderately soluble in water. In acidic medium, alpha - amino acids exist as cations (I) and thus migrate towards cathode under the influence of an electric field. On the other hand, in alkaline medium, alpha - amino acids exist as anions (III) and thus migrate towards anode under the influence of an electric field. However, at some intermediate value of p^(H) , the concentration of the cationic form (I) and anionic form (III) will become equal and consequently the alpha - amino acid will exist primarily as the neutral dipolar ion (II). At this p^(H) , there would be no net migration of the amino acid in an electric field. This p^(H) at which there is no net migration of the amino acid under the influence of an applied electric field is called isoelectric point (pI). Each amino acid has a characteristic isoelectric point. The pH of an amino acid that does not have an ionisable side chain such as alanine isd average of pK_(a) values of the carboxyl group and the protonated amino group. H_(3)overset(+)(N)-overset("R")overset("|")("C")H-COOH overset(" "OH^(-)" ")underset(" "H^(+)" ")hArr H_(3)overset(+)(N)-underset("Zwitterion (II)")(overset("R")overset("|")("C")H)-COO^(-)overset(" "OH^(-)" ")underset(" "H^(+)" ")hArr underset((III))(overset(+)(N)-overset("R")overset("|")("C")H)-COO^(-) Further, the alpha - carbon of all the amino acids (except glycine) is chiral (asymmetric) and hence amino acids can exist in teo stereoisomeric forms i.e., D and L. However, all the nautrally occurring amino acids belong to the L - series. underset("L(-)Glyceraldehyde")(HO-overset("CHO ")overset("| ")underset(" "CH_(2)OH)underset("| ")("C ")-H)" " underset("L-Amino acid")(H_(2)N-overset("COOH")overset("| ")underset("R ")underset("| ")("C ")-H) N - terminus of the peptide structure is on the

alpha - amino acids are high melting crystalline solids because of the zwitterion structure. They are moderately soluble in water. In acidic medium, alpha - amino acids exist as cations (I) and thus migrate towards cathode under the influence of an electric field. On the other hand, in alkaline medium, alpha - amino acids exist as anions (III) and thus migrate towards anode under the influence of an electric field. However, at some intermediate value of p^(H) , the concentration of the cationic form (I) and anionic form (III) will become equal and consequently the alpha - amino acid will exist primarily as the neutral dipolar ion (II). At this p^(H) , there would be no net migration of the amino acid in an electric field. This p^(H) at which there is no net migration of the amino acid under the influence of an applied electric field is called isoelectric point (pI). Each amino acid has a characteristic isoelectric point. The pH of an amino acid that does not have an ionisable side chain such as alanine isd average of pK_(a) values of the carboxyl group and the protonated amino group. H_(3)overset(+)(N)-overset("R")overset("|")("C")H-COOH overset(" "OH^(-)" ")underset(" "H^(+)" ")hArr H_(3)overset(+)(N)-underset("Zwitterion (II)")(overset("R")overset("|")("C")H)-COO^(-)overset(" "OH^(-)" ")underset(" "H^(+)" ")hArr underset((III))(overset(+)(N)-overset("R")overset("|")("C")H)-COO^(-) Further, the alpha - carbon of all the amino acids (except glycine) is chiral (asymmetric) and hence amino acids can exist in teo stereoisomeric forms i.e., D and L. However, all the nautrally occurring amino acids belong to the L - series. underset("L(-)Glyceraldehyde")(HO-overset("CHO ")overset("| ")underset(" "CH_(2)OH)underset("| ")("C ")-H)" " underset("L-Amino acid")(H_(2)N-overset("COOH")overset("| ")underset("R ")underset("| ")("C ")-H) Which of structural formula of lysine (NH_(2)-overset("COOH")overset("| ")("C ")H-CH_(2)-CH_(2)-CH_(2)-CH_(2)NH_(2)) at pH 13 ?

Advantages of SCP (I) Rich in proteins poor in fats (II) Produced throughout the year (III) Cultured in any locality (IV) Cultured only in labs

AAKASH SERIES-STRATEGIES FOR ENHENCEMENT IN FOOD PRODUCTION-EXERCISE-II
  1. No change in the genotype of the varieties is observed in the followin...

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  2. Genotype of the plants remain the same throughout the breeding period ...

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  3. Which of the following varieties can be develped through clonal select...

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  4. The characters remain stable in the progeny obtained by (i) Pure - l...

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  5. Fungal SCP is not suitable for human consumption because of (I) High...

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  6. Yeast is a good source of (I) B-complex vitamins (II) Sulphur cont...

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  7. Advantages of SCP (I) Rich in proteins poor in fats (II) Produced ...

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  8. In virus infected plants the meristmatic tissues in both apical and ax...

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  9. Given below are a few statements regarding somatic hybridization. Choo...

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  10. To isolate protoplast, one needs:

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  11. Micropropagation is useful (I) To generate someclonal variation whic...

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  12. The nutrient culture medium is a misture of I) Essential nutrients ...

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  13. Regarding embryoids (I) Develop form embryonic cells (II) Develop...

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  14. Basal medium does not esentially require (I) Vitamins (II) NAA (II...

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  15. Find the correct statements about somatic embyros (I) They pas throu...

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  16. Identify the correct sequence of events involved in tissue culture exp...

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  17. Identify the correct sequence of events involved is culturing of tissu...

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  18. Match the following columns

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  19. Study the following lists

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  20. Study the following lists

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