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Home ❭ Questions ❭ One Liners ❭ The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Biochemistry Pharmacist Competitive Exams
Q. The scientist who observed that there exists a relationship between the contents of purines and pyrimidines in DNA structure
Ans → Erwin Chargaff
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. A chemical reaction after which the resulting agents cannot be changed back into the reactions ingredients.
Ans → irreversible reaction
Explanation →
Q. The metabolic pathway concerned with the conversion of L-xylulose to D-xylulose is
Ans → Uronic acid pathway
Explanation →
Q. An animal that transfers a pathogen from one host to another or from a reservoir to a host without being infected by the pathogen itself
Ans → mechanical vector
Explanation →
Q. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue
Ans → hyaluronidase
Explanation →
Q. A condition in which a disease caused by or acquired during a medical procedure
Ans → iatrogenic disease
Explanation →
Q. Which bond is formed between the negatively charged phosphate groups that holds a lot of potential energy
Ans → high-energy phosphate bond
Explanation →
Q. The most important carbohydrate associated with flatulence caused by ingestion of leguminous seeds
Ans → Raffinose
Explanation →
Q. The mammalian enzyme with the shortest half-life (about 10 minutes) is
Ans → Ornithine decarboxylase
Explanation →
Q. A Formulated preparation of molecules/drugs that are rarely if ever suitable for administration to patients without additives.
Ans → dosage form
Explanation →
Q. Destruction or removal of microorganisms in or about an object, e.g., by steam, chemical agents (alcohol, phenol, ethylene oxide gas), high-velocity electron bombardment, gamma or ultraviolet light radiation or filtration.
Ans → sterilization
Explanation →
Q. The interval of growth when cells divide exponentially; also known as the exponential growth phase
Ans → log phase
Explanation →
Q. a solution of definite pH made up in such a way that the pH alters only gradually with the addition of an acid or a base.
Ans → buffer solution
Explanation →
Q. A negative sign of free energy indicates that the reaction is
Ans → Exergonic or spontaneous
Explanation →
Q. Time required to achieve the minimum effective plasma concentration following administration of the dosage form.
Ans → onset of drug action
Explanation →
Q. Name a dormant cell that survives in the death phase and is resistant to most antibiotics
Ans → persister
Explanation →
Q. The very first enzyme elevated in serum in myocardial infarction
Ans → Creatine phosphokinase (CPK)
Explanation →
Q. The clones of cell produced by fusing a normal B cell with a myeloma cell that is capable of producing monoclonal antibodies indefinitely
Ans → hybridoma
Explanation →
Q. The disorders characterized by decreased synthesis or total absence of globin chains of hemoglobin are collectively known as
Ans → Thalassemias
Explanation →
Q. Proteins that participate in ribosome assembly during initiation
Ans → initiation factors
Explanation →
Q. Galactosemia is mostly due to the deficiency of the enzyme
Ans → Galactose 1-phosphate uridyltransferase
Explanation →