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The non-carbohydrate moiety found in glycosides is known as
Biochemistry Pharmacist Competitive Exams
Q. The non-carbohydrate moiety found in glycosides is known as
Ans → Aglycone
Explanation →
This question is taken from the test/quiz post: Biochemistry Important one liner Questions on carbohydrates - attemp/practice
More oneliners in - Biochemistry Important one liner Questions on carbohydrates
Q. If two monosaccharides differ in configuration around a single carbon atom, they are known as
Ans → Epimers
Explanation →
Q. The carbohydrate that is taken as a reference for writing the configuration of others
Ans → Glyceraldehydes
Explanation →
Q. The glycosidic bonds at the branching points in the structure of starch are
Ans → 1,6- glycosidic bond
Explanation →
Q. The glycosaminoglycan that serves as a lubricant and shock absorbant of joints
Ans → Hyaluronic acid
Explanation →
Q. Name the sialic acid, mostly found in the structure of glycoproteins and glycolipids
Ans → N- Acetylneuraminic acid
Explanation →
Q. Carbohydrates are the polyhydroxyaldehydes or ketones, or compounds which produce them on
Ans → Hydrolysis
Explanation →
Q. The major dietary energy sources, besides their involvement in cell structure and various other functions is
Ans → Carbohydrates
Explanation →
Q. The polymers of monosaccharides or their derivatives, held together by glycosidic bonds
Ans → Polysaccharide
Explanation →
More one-liners in - Biochemistry
Q. Organic substances occurring naturally, which are basic, forming salts with acids. The basic group is usually an amino function.
Ans → alkaloid
Explanation →
Q. The metabolic pathway concerned with the conversion of L-xylulose to D-xylulose is
Ans → Uronic acid pathway
Explanation →
Q. Cholesterol synthesis is controlled by feedback inhibition of the enzyme
Ans → HMG CoA reductase
Explanation →
Q. An atom, or group of atoms, that is responsible for reactivity of the molecule it is a part of.
Ans → Functional Groups
Explanation →
Q. Transfer of a drug across a membrane by a transporter (often a protein) constituent of the cytosol membrane.
Ans → carrier-mediated drug transport
Explanation →
Q. The number of ATP produced when a molecule of acetyl CoA is oxidized through citric acid cycle
Ans → 12
Explanation →
Q. Name a membrane-bound organelle (not part of the endomembrane system) that produces hydrogen peroxide to break down various types of molecules;
Ans → peroxisome
Explanation →
Q. The oxidation of ferrous (Fe2+) iron to ferric (Fe3+) iron in hemoglobin results in the formation of a compound namely
Ans → Methemoglobin
Explanation →
Q. Under physiological condition, the DNA structure is predominantly in the form
Ans → β-Form
Explanation →
Q. A process in which the forward reaction can reach an equilibrium with the reverse reaction.
Ans → reversible process
Explanation →
Q. Cytokines released by cells that have been infected with a virus; stimulate antiviral responses in nearby cells as well as the cells secreting the interferons
Ans → interferons
Explanation →
Q. Structure of protein complexes formed by the combination of several separate polypeptides or subunits
Ans → quaternary structure
Explanation →
Q. Glycoprotein expressed on the surface of all nucleated cells and involved in the presentation of normal “self” antigens and foreign antigens from intracellular pathogens
Ans → MHC I molecule
Explanation →
Q. The nitrogen atoms in the purine ring are obtained from
Ans → Glycine , Glutamine , Aspartate
Explanation →
Q. When a substance, called a solvent, is added to a suspension to reduce the concentration.
Ans → dilution
Explanation →
Q. A chemical processes in which the proportion of more electronegative substituents is decreased, or the charge is made more negative, or the oxidation number is lowered.
Ans → reduction
Explanation →
Q. reactions which proceed by means of a set of repeating cyclical steps, e.g. the free radical addition of hydrogen bromide to an alkene.
Ans → chain reaction
Explanation →
Q. The disorder in which the patients have an irresistible urge to bite their fingers and lips is
Ans → Lesch-Nyhan syndrome
Explanation →
Q. An overall reaction in which an electrophile binds to a substrate with the expulsion of another electrophile is known as
Ans → electrophilic substitution
Explanation →
Q. An unstable and toxic ions and molecules derived from partial reduction of oxygen
Ans → reactive oxygen species (ROS)
Explanation →
Q. A partial agonist is an agonist that produces a maximal response that is less than the maximal response produced by another agonist acting at the same receptors on the same tissue.
Ans → Partial Agonist
Explanation →
Q. Process that differentiates or separates solid particles according to their size using a meshed or perfo- rated device.
Ans → sieving
Explanation →
Q. The component of electron transport chain which can directly react with molecular oxygen
Ans → Cytochrome oxidase (cyt a + a3)
Explanation →
Q. Name the compound with the greatest standard free energy.
Ans → Phosphoenolpyruvate
Explanation →
Q. A hydrocarbon that can undergo addition reactions, meaning it contains a double or a triple bond.
Ans → Unsaturated Hydrocarbons
Explanation →