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The base pair G-C is more stable and stronger than A-T due to
Biochemistry Pharmacist Competitive Exams
Q. The base pair G-C is more stable and stronger than A-T due to
Ans → 3 Hydrogen bonds
Explanation →
This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On Nucleic Acids and Nucleotides - attemp/practice
More oneliners in - Biochemistry Important One Liners Questions On Nucleic Acids and Nucleotides
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
Explanation →
Q. The base pair G-C is more stable and stronger than A-T due to
Ans → 3 Hydrogen bonds
Explanation →
Q. Under physiological condition, the DNA structure is predominantly in the form
Ans → β-Form
Explanation →
Q. The number of base pairs present in each turn (pitch) of B-form of DNA helix
Ans → 10
Explanation →
Q. The backbone of nucleic acid structure is constructed by
Ans → Phosphodiester bridges
Explanation →
Q. The nucleotide that serves as an intermediate for biosynthetic reaction
Ans → UDP-glucose , CDP- acylglycerol , S Adenosylmethionine
Explanation →
More one-liners in - Biochemistry
Q. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as
Ans → Thalassemias
Explanation →
Q. Cellulose is not digested in humans due to lack of the enzyme that hydrolyses
Ans → β-Glycosidic bonds
Explanation →
Q. A chemical formula where electrons are represented with dots. Covalent bonds are represented with a line connecting two atoms—the line represents two electrons.
Ans → Lewis Structure
Explanation →
Q. A functional group consisting of an internal carbonyl group (C=O) bonded to two other carbon atoms
Ans → Ketones
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. Name the type of kidney infection involving the glomeruli of the nephrons
Ans → glomerulonephritis
Explanation →
Q. substance(s) is(are) involved in the regulation of plasma calcium level
Ans → Calcitriol , Parathyroid hormone, Calcitonin
Explanation →
Q. Substance that acts as adhesives to bind together powders for making tablets (direct tableting) or granules (granulation) that are mainly used in tableting.
Ans → binder
Explanation →
Q. An Obstacle such as coating or embedding, which acts as a factor controlling the rate of drug release.
Ans → diffusion barrier
Explanation →
Q. A a substance which cannot be further subdivided by chemical methods.
Ans → element
Explanation →
Q. Substrate level phosphorylation in citric acid cycle is catalysed by the enzyme
Ans → Succinate thiokinase
Explanation →
Q. The representation of a compound by two or more canonical structures in which the valence electrons are rearranged to give structures of similar probability.
Ans → resonance
Explanation →
Q. Compounds that have the same molecular formula but different structural formulas
Ans → Isomer
Explanation →
Q. Surfactant (or a mixture containing one or more surfactants) having cleaning properties in dilute solutions
Ans → detergent
Explanation →
Q. Name a dormant cell that survives in the death phase and is resistant to most antibiotics
Ans → persister
Explanation →
Q. A ring structure formed from complement proteins C6 through C9 that penetrates the membranes of a targeted cell, causing cell lysis and death
Ans → membrane attack complex (MAC)
Explanation →
Q. The cofactor required for the conversion of phenylalanine to tyrosine is
Ans → Tetrahydrobiopterin
Explanation →
Q. substance(s) is(are) involved in the regulation of plasma calcium level
Ans → Calcitriol , Parathyroid hormone, Calcitonin
Explanation →
Q. Characteristic angle of slope formed with the horizontal by the side of a static conical mound of powder.
Ans → angle of repose
Explanation →
Q. An inverse agonist is a ligand that by binding to a receptor reduces the fraction of receptors in an active conformation, thereby reducing basal activity.
Ans → Inverse Agonist
Explanation →
Q. The inhibition of the enzyme pancreatic lipase by bile salts is overcome by a protein, namely
Ans → Colipase
Explanation →
Q. Inflammation of the conjunctiva in newborns caused by Neisseria gonorrhoeae transmitted during childbirth
Ans → ophthalmia neonatorum
Explanation →
Q. An infection of the external ear canal, most commonly caused by Pseudomonas aeruginosa; often called swimmer’s ear
Ans → otitis externa
Explanation →