Phsophofructokinase is allosterically activated by

Biochemistry Pharmacist Competitive Exams

Q. Phsophofructokinase is allosterically activated by

Ans → AMP/ADP

Explanation →

This question is taken from the test/quiz post: Biochemistry Important One Liners Questions On enzymes - attemp/practice

← ×

cancel update

More oneliners in - Biochemistry Important One Liners Questions On enzymes

Q. The literal meaning of enzyme is

Ans → In yeast

Explanation →

Q. The class of enzymes involved in synthetic reactions are

Ans → Ligases

Explanation →

Q. The non-protein part of holoenzyme

Ans → Coenzyme

Explanation →

Q. Enzymes lose the catalytic activity at temperature above 70C due to

Ans → Denaturation

Explanation →

Q. Examples of two enzymes containing zinc are

Ans → Alcohol dehydrogenase, carbonic anhydrase

Explanation →

Q. The place at which substrate binds with the enzyme

Ans → Active site

Explanation →

Q. The enzyme glucose 6-phosphate dehydrogenase requires the coenzyme

Ans → NADP+,

Explanation →

Q. The E.C. number for alcohol dehydrogenase is

Ans → E.C. 1.1.1.1

Explanation →

Q. Phsophofructokinase is allosterically activated by

Ans → AMP/ADP

Explanation →

Q. The very first enzyme elevated in serum in myocardial infarction

Ans → Creatine phosphokinase (CPK)

Explanation →

Q. Pepsin is an example for the class of enzymes namely

Ans → Hydrolases

Explanation →

Q. The coenzyme not involved in hydrogen transfer

Ans → FH4

Explanation →

Q. In the feedback regulation, the end product binds at

Ans → Allosteric site

Explanation →

Q. Glutamyl transpeptidase activity in serum is elevated in

Ans → Alcoholism

Explanation →

Q. In recent years, a non-protein compound has been identified to bring about catalysis in biological system. The name of the compound is

Ans → RNA

Explanation →

More one-liners in - Biochemistry

Q. The phospholipid that prevents the adherence of inner surfaces of lungs

Ans → Dipalmitoyl lecithin

Explanation →

Q. A more negative redox potential represents a greater tendency to lose

Ans → Electrons

Explanation →

Q. Proinflammatory molecule released by basophils and mast cells in response to stimulation by other cytokines and chemical mediators

Ans → histamine

Explanation →

Q. Glutamyl transpeptidase activity in serum is elevated in

Ans → Alcoholism

Explanation →

Q. The first stage of acute disease, during which the pathogen begins multiplying in the host and signs and symptoms are not observable

Ans → incubation period

Explanation →

Q. The electron transport chain is located in

Ans → Inner mitochondrial membrane

Explanation →

Q. Under physiological condition, the DNA structure is predominantly in the form

Ans → β-Form

Explanation →

Q. Superoxide is converted to H2O2 by the enzyme

Ans → Superoxide dismutase

Explanation →

Q. A compound released from a natural killer cell that creates pores in the target cell through which other toxins (particularly granzymes) can gain access to the cytoplasm

Ans → perforin

Explanation →

Q. The disease characterized by impairment in the absorption of neutral amino acids

Ans → Hartnup’s disease

Explanation →

Q. The end product of purine metabolism in humans is

Ans → Uric acid

Explanation →

Q. Primary hyperoxaluria is due to a defect in the enzyme

Ans → Glycine transaminase

Explanation →

Q. The amino acid that is completely destroyed by acid hydrolysis of protein

Ans → Tryptophan

Explanation →

Q. The products obtained by the action of pancreatic lipase on triacylglycerols are

Ans → 2-Acylglycerol and free fatty acids

Explanation →

Q. Usually a small, flat, and soft tablet, which is designed to be placed inside the cheek to be directly absorbed through the mucosa for systemic effect.

Ans → buccal tablet

Explanation →

Q. The smallest piece of an atom that can exist in a free state.

Ans → molecule

Explanation →

Q. Name the enzyme produced by pathogens that degrades hyaluronic acid between adjacent cells in connective tissue

Ans → hyaluronidase

Explanation →

Q. When the structure of proteins beak down from exposure to heat.

Ans → denature

Explanation →

Q. Used as processing aid in tablet and capsule manufacturing, to facilitate the movement of the formulation into the dye and punch and to reduce the energy of compression.

Ans → lubricant

Explanation →

Q. The lipoprotein involved in the reverse cholesterol transport is

Ans → HDL

Explanation →

Q. Cytokines largely produced by immune system cells that help coordinate efforts against invading pathogens

Ans → interleukins

Explanation →

Q. Reversal of coagulation or flocculation, i.e., the dispersion of aggregates to form a stable colloidal suspension or emulsion. 

Ans → deflocculation

Explanation →

Q. Kinetic model, where the whole body is thought of as a single compartment in which a substance is dis- tributed rapidly, achieving an equilibrium between blood and tissue immediately.

Ans → one-compartment model

Explanation →

Q. Name the organism that depends on high concentrations of salt in the environment to grow

Ans → halophile

Explanation →

Q. Defined for powders used pharmaceutically, according to particle sizes. 

Ans → powder grades

Explanation →

Q. Iron in the mucosal cells binds with the protein

Ans → Ferritin

Explanation →

Q. The key enzyme that converts trypsinogen to trypsin is

Ans → Na+

Explanation →

Q. Glutamyl transpeptidase activity in serum is elevated in

Ans → Alcoholism

Explanation →

Q. Which are the essential fatty acids that need to be supplied in the diet.

Ans → PUFA

Explanation →

Q. Name the process producing a mixture of lactic acid, ethanol and/or acetic acid, and CO2 as fermentation products

Ans → heterolactic fermentation

Explanation →

Q. Name a stage in the drying of solids, above which the drying rate is linear, at which the drying rate ceases to be linear, until it reaches the equilibrium moisture content. 

Ans → critical moisture content

Explanation →

Q. The principal cation of extracellular fluid

Ans → Sodium

Explanation →

Q. Type of comparative bioavailability study designed in such a way as to take into account differences in bioavailability arising from differences between patients suffering from disease

Ans → crossover study

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 non – amino acid present in coenzyme A

Ans → β-Alanine

Explanation →