The correct answer is (3) Peptide bond. Peptide bonds are not typically formed between enzyme and substrate; rather, these covalent bonds connect amino acids in proteins, forming the enzyme’s structure, not […]
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CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Endothermic Reaction with Least Activation Energy: Graph Identification and Explanation for CSIR NET Life Sciences
3. Which graph represents the endothermic reaction with least activation energy? (‘A’ Substrate→ ‘B’ Product) The correct answer is Option 3. This graph best represents an endothermic reaction with the least activation energy where ‘A’ (substrate) transitions to ‘B’ (product). Introduction […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
How Do Enzymes Accelerate Reaction Rates? Lowering Activation Energy Explained
2. Enzymes accelerates rate of reaction by (1) Lowering number of transition states (2) Lowering the activation energy of highest transition state (3) Providing direct energy to substrate (4) Providing […]
CSIR NET Life Science Previous Year Questions and Solution on Biochemistry
Enzyme Catalysis and Activation Energy
Enzymes accelerate a reaction by which one of the following strategies? (1) Decreasing energy required to form the transition state. (2) Increasing kinetic energy of the substrate. (3) Increasing the […]
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Which One Is NOT a Vasoconstrictor? Prostacyclin, Thromboxane A2, Angiotensin-II, or Endothelin-1?
Which one of the following is NOT a vasoconstrictor? (1) Prostacyclin (2) Thromboxane A2 (3) Angiotensin-ll (4) Endothelin-1 Which One Is NOT a Vasoconstrictor? An In-Depth Explanation Understanding the complex […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Understanding cGMP Signaling: Roles of Membrane-Bound and Soluble Guanylate Cyclases
CGMP is produced from GTP by the enzyme guanylate cyclase which exists in soluble and membrane-bound forms. Following statements are made related to signaling molecules that are associated with cGMP […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Distinguishing Compensatory and Decompensatory Mechanisms in Hemorrhagic Shock
The blood volume decreased when a mammal was bled rapidly. However. The cardiovascular changes resulting from hemorrhage could be minimized by the following compensatory mechanisms: A. Increased cerebral blood flow, […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Key Physiological Mechanisms in Recovery from Hemorrhagic Shock
Loss of a large quantity of blood in an individual due to haemorrhage provokes many physiological changes which are compensatory and decompensatory in nature. The following statements describe few compensatory […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Physiological Mechanisms Involved in Recovery from Hemorrhagic Shock: A Detailed Overview
A person recovered from a moderate degree of haemorrhagic shock. The participating physiological mechanisms in this recovery process are proposed in the following statements. A. The decrease in arterial pressure […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Homeostatic Responses to Hemorrhage: The Role of Vasopressin and Baroreceptors in Maintaining Blood Pressure
After hemorrhage, a subject develops hypovolemia and hypotension. Following are some of the statements regarding homeostatic measure taken by the body after hemorrhage. A. Increased release of vasopressin B. Increased […]
