DEFINITIONS AND KEY POINTS OF ENERGY AND ENZYME
abidaTERMS DEFINITIONS Energy The capacity, to do work is called energy. Work Work is the transfer of energy. Thermodynamics The study of energy is called thermodynamics…
OBJECTIVE FOR ENZYMES
sanaMultiple Choice Questions (MCQs) Which of the followings enzymes is not protein? (a) Diastase (b) Pepsin (c) Ribozymes (d) Trypsin Key and lock model was proposed by: (a) Kosh land …
NOW CELLS CONVERT ENERGY: AN OVERVIEW
Animals make ATP in two ways: Substrate level phosphorylation The synthesis of ATP during reaction of glycolysis and Krebs cycle is called substrate level phosphorylation. ATP formation from ADP and…
ATP: THE CELL’S ENERGY CURRENCY
The major energy L.:rrency of all cells is adenosine triphosphate (ATP). ATP plays a central ro:(.. ( energy currency in all organisms. So it appeared early in the iNstor. .M…
PHYSIO -CHEMICAL NATURE OF PLASMA MEMBRANE
rubabThe plasma membrane surrounds the cell. Chemically plasma membrane is composed of: (a) Protein: 60 to 80% (b) Phospholipids: 20 to 40% (e) Cholesterol in small amount (d) Carbohydiutes in…
COFACTORS AND COENZYMES
Cofactors The metal ions which are loosely attached with the enzymes are called cofactors. These metal ions are Ca-2, mg-2, mn-2, 2, Cu" and Zr12. These metal ions change a…
Enzymes : Biological Catalysts
An enzyme is a biological catalyst that can accelerate a specific chemical reaction by lowering the activation energy but remain unaltered in the process. Most enzymes are proteins. Some are…
Multiple Choice & Fill in The Blanks of Nomenclature
sidraMultiple Choice Questions (MCQs) I. Specie name is mostly: (a) Noun (b) Adjective (c) Article (d) None 2. The person who first describes a new species and gives it a…
MODEL SUBJECTIVE AND OBJECTIVE QUESTION FOR ENZYMES
MODEL SUBJECTIVE QUESTION* What are enzymes? Discuss their nature. Write note on cofactors and coenzymes. Give classification and nomenclature of enzymes. Describe properties of enzymes.SHORT QUESTIONS Define enzymes. Ans: An…
THE LAWS OF ENERGY TRANSFORMATIONS
Th re are two laws of thermodynamics: First law of thermodynamics It i also called the law of energy conservation. It states that energy can neither be created nor destroyed,…