Biomolecules questions
1272 published questions with worked solutions.
- The change in optical rotation with time of a freshly prepared solution of a reducing sugar is known as
- Glucose when treated with CH _3 OH in the presence of dry HCl gas gives α- and β-methylglucosides because it contains
- If α-D-glucopyranose is reacted with acetic anhydride at 373 K, the major product is the β-isomer of the pentaacetate. It is...
- A solution of D-glucose in water rotates the plane of polarized light
- Carbohydrates are used by the body mainly
- On fermentation, glucose yields
- Identify the product 'C' in the following series of reactions: Glucose HCN A H _2 O B HI C
- Consider the following reagents: I. Br _2 water II. Tollens' reagent III. Fehling's solution Which can be used to make a...
- Which of the following reagents is used to identify fructose?
- What is not true for carbohydrates?
- The primary structure of a protein is based upon the
- In an electric field, if an amino acid migrates towards the cathode, the pH of the solution is said to be
- Casein contained in milk is a
- An enzyme is formed by chemically bonding together
- At intermediate pH values of about 6.0, an amino acid behaves as a dipolar ion or Zwitter ion. On decreasing and increasing the...
- Which of the following is not an α-amino acid?
- Which enzyme is present in saliva?
- Which one is absent in protein?
- A tripeptide is composed equally of L-valine, L-tyrosine and L-alanine (one molecule each). How many isomeric tripeptides of this...
- Enzymes, in living systems,
Other chapters
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