Biomolecules questions
1272 published questions with worked solutions.
- An organic compound answers Molisch's test as well as Benedict's test but it does not answer Seliwanoff's test. Most probably, it...
- - and -glucose differ in the orientation of - OH group around
- Which one of the following is an essential amino acid? (approx)
- Amino acids exist in Zwitter ion form. What is the structure of glycine at pH = 4 ?
- Isoelectric point is a
- The -amino acid which does not give purple colour in the ninhydrin test is
- The main force(s) which stabilise the 2^ and 3^ structures of proteins is/are
- Proteins when heated with conc. HNO_3 gives a yellow colour. This is
- In an alkaline medium, glycine predominantly exists as/in a/an
- Which of the following is a heterocyclic amino acid?
- The p K_ a_1 and p K_ a_2 of an amino acid are 2.3 and 9.7 respectively. The isoelectric point of the amino acid is
- Which one of the following is a conjugated protein?
- Complete hydrolysis of DNA/RNA yields
- A nucleoside on hydrolysis gives
- Adenosine is an example of
- Which of the following reactions of glucose can be explained only by its cyclic structure?
- Consider the following statements : I. Glucose occur freely in nature. II. Glucose occur in the combined form. III. Glucose...
- Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives
- Which one of the following pair is the reducing sugar?
- Name the molecule which is eliminated during the formation of peptide bond.
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Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and IntegrationChemical Kinetics