Category: NEET PG

Metaplasia: Definition, Types of Metaplasia, Epithelial Metaplasia, Mesenchymal Metaplasia, Examples of Metaplasia, Symptoms, Difference Between Metaplasia and Dysplasia and MCQs for NEET, GPAT, CSIR NET JRF

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“Metaplasia is a condition in which one adult cell type (epithelial or mesenchymal) is replaced by another adult cell type.” 1.] Metaplasia is a type of reversible change. 2.] Metaplasia is an adaptive response. 3.] The most common adaptive metaplasia […]

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Apoptosis: Definition, Morphological Features, Mechanism, Difference Between Apoptosis and Necrosis, Molecular Changes and MCQs for NEET, GPAT, CSIR NET JRF

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“Apoptosis is a form of coordinated and internally programmed cell death having significance in a variety of physiologic and pathologic conditions.” MORPHOLOGICAL FEATURES: – The characteristic morphologic changes in apoptosis by light microscopy and electron microscopy is as under: Involvement […]

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Atrophy: Definition, Causes, Pathogenesis, Symptoms and MCQs for NEET, GPAT, CSIR NET JRF

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“Shrinkage in the size of the cell by loss of cell substance is known as atrophy.” 1.] It represents a form of adaptive response. 2.] When a sufficient number of cells are involved, the entire tissue or organ get diminished […]

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Hypertrophy: Definition, Causes, Physiologic Hypertrophy, Pathologic Hypertrophy, Morphological Features, Symptoms and MCQs for NEET, GPAT, CSIR NET JRF

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“Hypertrophy refers to increase in the size of cells and, with such changes, an increase in the size of the organs.” 1.] Basically, in hypertrophy the increased size of the cell is not due to the increased intake of fluid, […]

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Hyperplasia: Definition, Pathological Hyperplasia, Physiologic Hyperplasia, Difference between Hyperplasia and Hypertrophy, Symptoms, Morphological Features and MCQs for NEET, GPAT, CSIR NET JRF

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“Hyperplasia is an increase in the number of cells in an organ or tissue, which may then have increased volume.” 1.] In hyperplasia the cellular population is capable of synthesizing DNA, thus permitting mitotic division, but in hypertrophy cell division […]

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Cancer : Definition, Types, Etiology, Pathogenesis, Treatment and MCQs for NEET, GPAT, CSIR NET JRF

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“Cancer is a disease which is caused due to the uncontrolled division of cell which leads to growth of tumor and reduced activity of immune system.” TYPES: – There are basically six types of cancers: A.] Carcinoma Cancer: This cancer […]

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Cell Death: Definition, Causes, Processes of Cell Death, Difference between Apoptosis and Necrosis,Changes after Cell Death and MCQs for NEET, GPAT, CSIR NET JRF

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 “Cell death is a biological event of biological cell which cease them from carrying out their regular function.” Cell death is basically a state of irreversible cell injury. CAUSES: – Following are the causes of cell injury: Local or Focal […]

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Synthesis of Hemoglobin and MCQs GPAT, NEET UPSC, Pharmacist, CSIR NET and Nursing Exam

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Synthesis of heme – It takes place in almost all the cells but largely in bone marrow and liver. This happens because in liver and bone marrow, the requirements for the incorporation of heme into hemoglobin and cytochromes are high. […]

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Formation of Bile Acids, Steroid Hormones and Vitamin D and MCQs for GPAT, NEET UPSC, Pharmacist, CSIR NET and Nursing Exam

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Catabolism of cholesterol yields some important physiological products like: Formation of bile acids Formation of steroid hormones Formation of vitamin C Formation of bile acids It is the main catabolic pathway. The primary bile acids synthesized in the liver are […]

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De-Novo Biosynthesis of Pyrimidine Nucleotides and MCQs GPAT, NEET UPSC, Pharmacist, CSIR NET and Nursing Exam

Biochemistry, DBT BET, GATE Exam, GPAT Lectures, GPAT Preparation, MCQ, NEET PG, NEET UG, NIPER JEE Examination (Masters/Ph.D. Admission), Pharmacy Exam Questions, Quiz, Study Material, UGC NET JRF Exam , , , , , , , , , , , ,

In pyrimidine synthesis, firstly the pyrimidine ring is formed and then ribose phosphate group is attached. This ribose phosphate group is donated by PRPP (phosphoribosyl-pyrophosphate). The major pyrimidine nucleotide involve: TMP, CMP and UMP. Precursors for the De-novo synthesis of […]

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