DNA in living system - Biotech MCQ

DNA in living system

Bioinorganic bioorganic and biophysical chemistry, PPTs

DNA in living system

Biotech Tutorials

November 30, 2022

DNA in living system

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Metalloproteins in electron transport processes: cytochromes, ion-sulphur proteins and their Synthetic Models

Metalloproteins in electron transport processes: cytochromes, ion-sulphur proteins and their Synthetic Models

April 11, 2023

Electron transfer in biology

Electron transfer in biology

March 26, 2023

Metal complexes in transmission of energy

Metal complexes in transmission of energy

February 15, 2023

Enzyme Purification

Enzyme Purification

December 20, 2022

Ion transport across cell membrane

Ion transport across cell membrane

December 14, 2022

Prokaryotic and eukaryotic genes Split genes Pseudogenes Gene superfamily

Prokaryotic and eukaryotic genes Split genes Pseudogenes Gene superfamily

December 4, 2022

Structure and functions of cell membrane

Structure and functions of cell membrane

December 4, 2022

RNA in living organism

RNA in living organism

November 30, 2022

Helix-to-coil transition in DNA

Helix-to-coil transition in DNA

November 28, 2022

Biological cell and its constituents

Biological cell and its constituents

November 25, 2022

Bioenergetics of DNA polymerization and glucose storage

Bioenergetics of DNA polymerization and glucose storage

November 23, 2022

Role of metal ions in biological system Na/K pump

Role of metal ions in biological system Na/K pump

November 23, 2022

Glycogen storage diseases Pentosuria Galactose tolerance test and Galactosemia

Glycogen storage diseases Pentosuria Galactose tolerance test and Galactosemia

November 17, 2022

Glucose Homeostasis Diabetes mellitus Glucose tolerance Test

Glucose Homeostasis Diabetes mellitus Glucose tolerance Test

November 17, 2022

RNA editing

September 4, 2022

Biosynthesis of deoxyribonucleotides, Role of ribonucleotide reductase, Synthesis of deoxythymidylate, Inhibitors of nucleic acid biosynthesis

Biosynthesis of deoxyribonucleotides, Role of ribonucleotide reductase, Synthesis of deoxythymidylate, Inhibitors of nucleic acid biosynthesis

June 11, 2022

Biosynthesis of purine and pyrimidine nucleotides and their regulation, Purine salvage pathways, Catabolic pathways of purine and pyrimidine nucleotides

Biosynthesis of purine and pyrimidine nucleotides and their regulation, Purine salvage pathways, Catabolic pathways of purine and pyrimidine nucleotides

June 8, 2022

Biosynthesis of Eicosanoids: Prostaglandins (PG) Thromboxanes (TX) Leukotrienes (LT) and Lipoxins (LX)

Biosynthesis of Eicosanoids: Prostaglandins (PG) Thromboxanes (TX) Leukotrienes (LT) and Lipoxins (LX)

May 29, 2022

Fatty acid biosynthesis: Acetyl CoA carboxylase, fatty acid synthase, ACP structure and function, Fatty acid synthesis, Regulation of fatty acid synthesis, Long chain fatty acid synthesis, Desaturation of saturated fatty acid

Fatty acid biosynthesis: Acetyl CoA carboxylase, fatty acid synthase, ACP structure and function, Fatty acid synthesis, Regulation of fatty acid synthesis, Long chain fatty acid synthesis, Desaturation of saturated fatty acid

May 27, 2022

Inborn errors of Amino acid catabolic pathways

Inborn errors of Amino acid catabolic pathways

May 18, 2022

Lipoproteins (Chylomicrons, VLDL, LDL & HDL); Defects in cholesterol metabolism

Lipoproteins (Chylomicrons, VLDL, LDL & HDL); Defects in cholesterol metabolism

May 15, 2022

Cholesterol biosynthesis and its regulation

Cholesterol biosynthesis and its regulation

May 14, 2022

Biosynthesis of Triacylglycerols Phosphoglycerides and Sphingomyelin

Biosynthesis of Triacylglycerols Phosphoglycerides and Sphingomyelin

May 13, 2022

Overview of amino acid biosynthesis

Overview of amino acid biosynthesis

May 13, 2022

Biochemistry of Biological Nitrogen Fixation

Biochemistry of Biological Nitrogen Fixation

May 3, 2022

Overview of Amino Acid degradation

Overview of Amino Acid degradation

April 30, 2022

Urea cycle, Linkage between Urea cycle & Citric Acid cycle, Regulation of Urea cycle

Urea cycle, Linkage between Urea cycle & Citric Acid cycle, Regulation of Urea cycle

April 30, 2022

General reactions of amino acid metabolism: Transamination, Oxidative and Non-oxidative Deamination and Decarboxylation

General reactions of amino acid metabolism: Transamination, Oxidative and Non-oxidative Deamination and Decarboxylation

April 29, 2022

Gamma aminobutyrate shunt pathway

Gamma aminobutyrate shunt pathway

April 28, 2022

Uronic acid (Glucuronate) pathway

Uronic acid (Glucuronate) pathway

April 27, 2022

Entner-Doudoroff pathway

Entner-Doudoroff pathway

April 26, 2022

Fat breakdown: Hydrolysis of dietary triacylglycerol, Fatty acid breakdown, Role of carnitine, ß-oxidation of fatty acids, Oxidation of unsaturated fatty acids, Oxidation of odd numbered fatty acids, Fate of propionate, Regulation of fatty acid metabolism, β-oxidation in Peroxisome, α-and ω- oxidation of fatty acids

Fat breakdown: Hydrolysis of dietary triacylglycerol, Fatty acid breakdown, Role of carnitine, ß-oxidation of fatty acids, Oxidation of unsaturated fatty acids, Oxidation of odd numbered fatty acids, Fate of propionate, Regulation of fatty acid metabolism, β-oxidation in Peroxisome, α-and ω- oxidation of fatty acids

April 15, 2022

Ketogenesis: Synthesis of ketone bodies

Ketogenesis: Synthesis of ketone bodies

April 13, 2022

Glycogen Metabolism: Glycogenolysis and Glycogenesis and their regulation, Regulation of Carbohydrate Metabolism

Glycogen Metabolism: Glycogenolysis and Glycogenesis and their regulation, Regulation of Carbohydrate Metabolism

April 11, 2022

Oxidative Phosphorylation V: Inhibitors and Uncouplers

Oxidative Phosphorylation V: Inhibitors and Uncouplers

April 8, 2022

Oxidative Phosphorylation IV: Transport of ADP, Pi and cytosolic electrons to Mitochondria; Regulation of oxidative phosphorylation

Oxidative Phosphorylation IV: Transport of ADP, Pi and cytosolic electrons to Mitochondria; Regulation of oxidative phosphorylation

April 5, 2022

Oxidative Phosphorylation III: ATP synthase, Structure and Mechanism of action ATP synthesis, P/O ratio

Oxidative Phosphorylation III: ATP synthase, Structure and Mechanism of action ATP synthesis, P/O ratio

April 4, 2022

Oxidative Phosphorylation II: Electron Transport Chain; Respiratory complexes: order and organization, Proton motive force, Chemiosmotic theory

Oxidative Phosphorylation II: Electron Transport Chain; Respiratory complexes: order and organization, Proton motive force, Chemiosmotic theory

April 3, 2022

Mitochondrial Oxidative Phosphorylation & Electron Transport Chain I: Overview, Redox potentials and Standard free energy change of electron transfer, Electron carriers

Mitochondrial Oxidative Phosphorylation & Electron Transport Chain I: Overview, Redox potentials and Standard free energy change of electron transfer, Electron carriers

April 1, 2022

Pentose Phosphate Pathway Overview, Oxidative and non-oxidative phases Reactions and Key enzymes Regulation, Functions and Diseases of HMP Pathway

Pentose Phosphate Pathway Overview, Oxidative and non-oxidative phases Reactions and Key enzymes Regulation, Functions and Diseases of HMP Pathway

March 27, 2022

Glyoxylate cycle and its regulation

Glyoxylate cycle and its regulation

March 25, 2022

Gluconeogenesis: Reactions and the Key enzymes of gluconeogenesis Regulation of gluconeogenesis and Cori cycle

Gluconeogenesis: Reactions and the Key enzymes of gluconeogenesis Regulation of gluconeogenesis and Cori cycle

March 24, 2022

Citric acid cycle, Its function in energy generation and providing precursors for biosynthetic pathways; Anaplerotic reactions

Citric acid cycle, Its function in energy generation and providing precursors for biosynthetic pathways; Anaplerotic reactions

March 18, 2022

Glycolysis: steps, Rate in the absence of O2 (Pasture effect ) and in cancerous cells, Lactic acid and Alcoholic fermentation, Feeder pathway of glycolysis, Galactose breakdown (Leloir pathway) and metabolic disturbances; Regulation of glycolysis, Glucose transporter and their regulation by Insulin

Glycolysis: steps, Rate in the absence of O2 (Pasture effect ) and in cancerous cells, Lactic acid and Alcoholic fermentation, Feeder pathway of glycolysis, Galactose breakdown (Leloir pathway) and metabolic disturbances; Regulation of glycolysis, Glucose transporter and their regulation by Insulin

March 14, 2022

Regulatory Strategies II: Zymogen activation and Reversible Covalent Modification

Regulatory Strategies II: Zymogen activation and Reversible Covalent Modification

March 11, 2022

Regulatory Strategies I Allosteric Control of enzymes Feedback Inhibition; Properties of Allosteric control; Models for Allosteric regulation: The Symmetry Model (MWC model); The Sequential Model (KNF model); Allosteric regulation of Aspartate Transcarbomylase (ATCase); Different forms of enzymes (Isozymes/Isoenzymes) Lactate dehydrogenase)

Regulatory Strategies I Allosteric Control of enzymes Feedback Inhibition; Properties of Allosteric control; Models for Allosteric regulation: The Symmetry Model (MWC model); The Sequential Model (KNF model); Allosteric regulation of Aspartate Transcarbomylase (ATCase); Different forms of enzymes (Isozymes/Isoenzymes) Lactate dehydrogenase)

March 9, 2022

Enzyme V(II) Catalytic Mechanisms II: Metal Ion catalysis; Catalysis by Approximation, Strain and distortion

Enzyme V(II) Catalytic Mechanisms II: Metal Ion catalysis; Catalysis by Approximation, Strain and distortion

March 7, 2022

Catalytic Mechanisms of enzymes: Acid and base catalysis; Covalent catalysis; Reaction Mechanism of RNase, Lysozyme and Chymotrypsin

Catalytic Mechanisms of enzymes: Acid and base catalysis; Covalent catalysis; Reaction Mechanism of RNase, Lysozyme and Chymotrypsin

March 2, 2022

Enzyme IV: Enzyme inhibition; Reversible (Competitive, Noncompetitive and Uncompetitive) and Irreversible inhibition of enzymes

Enzyme IV: Enzyme inhibition; Reversible (Competitive, Noncompetitive and Uncompetitive) and Irreversible inhibition of enzymes

February 26, 2022

Enzyme III Progress curve, Michaelis Menten derivation, Determination of Vmax and Km, Catalytic efficiency (Kcat/Km) Lineweaver-Burk plot, Eadie-Hofstee Plot, Bi-substrate reactions (Sequential and double-displacement reaction) Effects of Temperature and pH on enzyme activities

Enzyme III Progress curve, Michaelis Menten derivation, Determination of Vmax and Km, Catalytic efficiency (Kcat/Km) Lineweaver-Burk plot, Eadie-Hofstee Plot, Bi-substrate reactions (Sequential and double-displacement reaction) Effects of Temperature and pH on enzyme activities

February 25, 2022

Enzyme II Mechanism of enzyme action: ES complex, transition state, activation energy, binding energy, Hypothesis of enzyme action: Key and Lock theory; Induced fit theory Classes of enzyme specificity

Enzyme II Mechanism of enzyme action: ES complex, transition state, activation energy, binding energy, Hypothesis of enzyme action: Key and Lock theory; Induced fit theory Classes of enzyme specificity

February 25, 2022

Coenzymes, Cofactors and Metalloenzymes: Structures, Properties and Functions

Coenzymes, Cofactors and Metalloenzymes: Structures, Properties and Functions

February 21, 2022

Enzymes I: Catalysis, Chemical catalyst, Biocatalyst, Deference between chemical catalyst and Biocatalyst, Brief history of enzymes, Properties of enzymes, Composition of enzymes, Cofactors and coenzymes, Active sites, Classification of enzymes

Enzymes I: Catalysis, Chemical catalyst, Biocatalyst, Deference between chemical catalyst and Biocatalyst, Brief history of enzymes, Properties of enzymes, Composition of enzymes, Cofactors and coenzymes, Active sites, Classification of enzymes

February 20, 2022

Life cycles of λ Bacteriophage; Regulation of Lytic and Lysogenic cycle

Life cycles of λ Bacteriophage; Regulation of Lytic and Lysogenic cycle

February 18, 2022

Life cycle of M13 Bacteriophage

Life cycle of M13 Bacteriophage

February 18, 2022

Gene Transfer in Bacteria-3 Transduction (Generalized and Specialized Transduction)

Gene Transfer in Bacteria-3 Transduction (Generalized and Specialized Transduction)

February 18, 2022

Gene Transfer In Bacteria-II: Transformation

Gene Transfer In Bacteria-II: Transformation

February 18, 2022

Gene Transfer In Bacteria-I: Conjugation (F+ x F- conjugation, Hfr Conjugation, F’ Conjugation or Sexduction)

Gene Transfer In Bacteria-I: Conjugation (F+ x F- conjugation, Hfr Conjugation, F’ Conjugation or Sexduction)

February 18, 2022

Bacterial Plasmids: Properties and Types

Bacterial Plasmids: Properties and Types

February 18, 2022

Chromosomal Aberrations: Change in numbers and structure

Chromosomal Aberrations: Change in numbers and structure

February 18, 2022

Cytoplasmic inheritance

Cytoplasmic inheritance

February 18, 2022

Linkage, Recombination and chromosome mapping in eukaryotes

Linkage, Recombination and chromosome mapping in eukaryotes

February 18, 2022

Exceptions to Mendel’s laws; Allelic variation and gene function

Exceptions to Mendel’s laws; Allelic variation and gene function

February 17, 2022

The Mendelism: Basic principles; The Chromosomal basis of Mendelism (Chromosomal theory of heredity)

The Mendelism: Basic principles; The Chromosomal basis of Mendelism (Chromosomal theory of heredity)

February 17, 2022

Dosage compensation Mechanisms (X-Inactivation, X-Hyperactivation and X-Hypoactivation)

Dosage compensation Mechanisms (X-Inactivation, X-Hyperactivation and X-Hypoactivation)

February 17, 2022

Homologous Recombination (Holliday model and DNA double strand repair model) and Site Specific Recombination

Homologous Recombination (Holliday model and DNA double strand repair model) and Site Specific Recombination

February 17, 2022

Transposable elements in prokaryotes and eukaryotes. Mechanism of transposition

Transposable elements in prokaryotes and eukaryotes. Mechanism of transposition

February 17, 2022

Intermediary metabolism

Intermediary metabolism

January 8, 2022

Bioenergetics III: High Energy Compounds

Bioenergetics III: High Energy Compounds

January 7, 2022

Bioenergetics II: Biological oxidation reduction

Bioenergetics II: Biological oxidation reduction

January 7, 2022

Bioenergetics I: Concept of free energy

Bioenergetics I: Concept of free energy

January 7, 2022

Nucleic acid structure II: RNA Structure and types

Nucleic acid structure II: RNA Structure and types

January 7, 2022

Nucleic acid structure I: DNA structure, different form of DNA

Nucleic acid structure I: DNA structure, different form of DNA

January 7, 2022

Lipids: Classification, nomenclature, general properties and functions

Lipids: Classification, nomenclature, general properties and functions

January 5, 2022

Carbohydrates: Classification, Structures, Properties and functions of monosaccharides, polysaccharides, heteropolysaccharides

Carbohydrates: Classification, Structures, Properties and functions of monosaccharides, polysaccharides, heteropolysaccharides

January 5, 2022

Protein Structure II: Tertiary and quaternary structures of proteins; Forces stabilizing tertiary structure

Protein Structure II: Tertiary and quaternary structures of proteins; Forces stabilizing tertiary structure

January 4, 2022

Protein Structure I: Properties of Peptide bond, Ramachandran plot, Primary and secondary (alfa-helix, beta-pleated sheet, turns and loops) structures

Protein Structure I: Properties of Peptide bond, Ramachandran plot, Primary and secondary (alfa-helix, beta-pleated sheet, turns and loops) structures

January 4, 2022

DNA Repair Pathways

DNA Repair Pathways

January 3, 2022

Mutations: Types, Mechanisms, Mutagens and Ames test

Mutations: Types, Mechanisms, Mutagens and Ames test

January 3, 2022

Regulation of eukaryotic gene expression (Chromatin remodeling, DNA methylation, environmental and biological control, DNA binding motifs, activators, enhancers and insulators)

Regulation of eukaryotic gene expression (Chromatin remodeling, DNA methylation, environmental and biological control, DNA binding motifs, activators, enhancers and insulators)

January 2, 2022

Regulation of Prokaryotic gene expression

Regulation of Prokaryotic gene expression

January 2, 2022

Post-translational modification, Protein degradation and non-ribosomal protein synthesis

Post-translational modification, Protein degradation and non-ribosomal protein synthesis

January 2, 2022

Translation in Prokaryotes and Eukaryotes

Translation in Prokaryotes and Eukaryotes

January 2, 2022

Properties of genetic code and Wobble Hypothesis

Properties of genetic code and Wobble Hypothesis

January 2, 2022

RNA splicing

January 1, 2022

Reverse transcription

Reverse transcription

January 1, 2022

Eukaryotic Transcription and Post-transcriptional modifications

Eukaryotic Transcription and Post-transcriptional modifications

January 1, 2022

Transcription in Prokaryotes

Transcription in Prokaryotes

January 1, 2022

DNA replication in eukaryotes

DNA replication in eukaryotes

December 1, 2021

DNA replication in prokaryotes

DNA replication in prokaryotes

December 1, 2021

Giant Chromosomes: Polytene Chromosome and Lampbrush Chromosome

Giant Chromosomes: Polytene Chromosome and Lampbrush Chromosome

November 28, 2021

Telomere and centromere

Telomere and centromere

November 28, 2021

DNA packaging into chromosome

DNA packaging into chromosome

November 28, 2021

C values and C value paradox

C values and C value paradox

November 28, 2021

DNA Denaturation and Renaturation Kinetics

DNA Denaturation and Renaturation Kinetics

November 28, 2021

Topological properties of DNA

Topological properties of DNA

November 28, 2021

Weak Acid base, pH, Henderson-Hasselbalch equation, biological Buffer, polyprotic acid, ionic strength

Weak Acid base, pH, Henderson-Hasselbalch equation, biological Buffer, polyprotic acid, ionic strength

October 25, 2021

Structure, properties and various forms of DNA

Structure, properties and various forms of DNA

October 24, 2021

Experimental evidences for nucleic acids as carrier of genetic information

Experimental evidences for nucleic acids as carrier of genetic information

October 24, 2021

Amino acid Physical and Chemical Properties PPT

Amino acid Physical and Chemical Properties PPT

October 19, 2021

Protein classification PPT

Protein classification PPT

October 17, 2021

Amino acids Structure and Functional Group Properties

Amino acids Structure and Functional Group Properties

October 14, 2021

Introduction to Biochemistry and Historical perspectives

Introduction to Biochemistry and Historical perspectives

October 10, 2021

Introduction to Molecular Biology

Introduction to Molecular Biology

October 10, 2021