Gene Concept, Split Genes, Overlapping Genes and Operon Regulation - Molecular Biology & Biotechnology | Agrigyan

1
Molecular Biology and Biotechnology- ICAR JRF/SRF 2024 (Q.57)
MCQ (Single Correct) +4 −1
Repressor molecules bind to
2
Molecular Biology and Biotechnology- ICAR JRF/SRF 2024 (Q.85)
Statement Based +4 −1

Given below are two statements

Statement (I) : Operons are cluster of structural genes under the control of single operator.
Statement (II) : Regulator gene in operon ensures expression of structural genes is coordinately controlled

In light of the above statements, choose the most appropriate answer from the options given below.

Molecular Biology & Biotechnology Subjects

Browse all chapters by subject

General Agriculture

6 Topics
Agronomy, Tillage & Field Crop Production Cell Biology, Plant Physiology & Biochemistry Agricultural Entomology, Nematology & Crop Protection Agricultural Meteorology & Climate Science Soil Science, Plant Nutrition & Reclamation Crop Genetics, Plant Breeding & IPR

Basic Biochemistry and Biomolecules

3 Topics
Amino Acids, Peptides, and Proteins: Structure, Classification, and Conformation Cell Structure, Biomembranes, and Bioenergetics Carbohydrates and Lipids: Structure, Stereochemistry, and Properties

Cell Organelles and Water Relations

2 Topics
Plant Cell Architecture, Organelles, Cytoskeleton and Membrane Transport Ascent of Sap, Transpiration, Stomatal Mechanics and Guttation

Cell Structure and Function

3 Topics
Prokaryotic and Eukaryotic Cell Architecture, Organelles and Subcellular Fractionation Cell Cycle Regulation, Checkpoints, Signal Transduction and Apoptosis Cytoskeleton, Cellular Motility and Membrane Transport Systems

Basic Microbiological Techniques

1 Topic
Culture Media Formulations, Pure Culture Isolation, Lyophilization and Preservation

Biomolecules and Metabolism

2 Topics
Fatty Acids, Lipids and Compartmentalized Lipid Metabolism Amino Acids, Protein Folding, Heat Shock Proteins and Secondary Metabolites

Intermediary Metabolism

2 Topics
Lipid Metabolism, Beta-Oxidation, and Ketone Bodies Oxidative Phosphorylation, Electron Transport Chain, and Metabolic Regulation

Metabolic Processes and Growth Regulation

1 Topic
Nitrogen, Sulfur, and Lipid Metabolism and Assimilation

Enzymes, Vitamins and Hormones

2 Topics
Enzyme Catalysis, Kinetics, Allostery, and Mechanisms Coenzymes, Isozymes, and Vitamins

Enzymology

2 Topics
Enzyme Classification, Kinetics, Inhibition and Allostery Coenzymes, Metalloenzymes, Enzyme Units and Multienzyme Complexes

Microbial Physiology

1 Topic
Microbial Secondary Metabolism, Industrial Enzymes, Vitamins and Fermented Foods

Abiotic Stress Responses in Plants

1 Topic
Drought and Water Deficit Stress Physiology and Osmotic Adjustment

Molecular Biology

1 Topic
DNA and RNA Structure, Replication, and Repair

Molecular Genetics

2 Topics
Mutation Mechanisms, DNA Damage, Repair Systems and Transposons Gene Concept, Split Genes, Overlapping Genes and Operon Regulation Active

Gene Expression

3 Topics
Translation Mechanics, Aminoacyl-tRNA Synthetases, eIFs and Non-Coding RNAs Central Dogma, DNA Replication Machinery and Replication Origins Transcription Mechanisms, RNA Processing and Chromatin Remodelling

Plant Growth Regulators and Plant Development

2 Topics
Auxins and Cytokinins: Biosynthesis, Transport, Signaling and Morphogenesis Abscisic Acid, Ethylene, and Jasmonates: Signaling and Stress Responses

Techniques in Biochemistry

2 Topics
Spectroscopy, Mass Spectrometry, and Radioisotope Techniques Immunological Techniques, Blotting, and Omics Technologies

Microbial Diversity and Ecology

1 Topic
Wastewater Treatment (Bardenpho Process), Xenobiotics and Pesticide Biodegradation

Mineral Nutrition

1 Topic
Essential Plant Nutrients: Classification, Essentiality Criteria and Biochemical Roles

Molecular Biology Techniques

3 Topics
Electrophoresis, Centrifugation, Chromatography and Protein Estimation Blotting Technologies, Hybridization and PCR Methodologies DNA Sequencing Technologies, High-Throughput Genomics and Proteomics

Gene Cloning

2 Topics
Cloning Vectors, Genomic/cDNA Libraries and Positional Cloning Enzymes in Genetic Engineering: Restriction Endonucleases and DNA Modifiers

Molecular Biology

1 Topic
DNA Repair Pathways, Ribosomes and Catalytic RNAs (Ribozymes)

Plant Metabolic Processes

1 Topic
Mineral Nutrition, Nitrogen Fixation, and Assimilation

Seed Physiology

2 Topics
Seed Development, Reserve Mobilization, and Desiccation Tolerance Seed Germination, Seed Vigour and Physiological Seed Dormancy

Physiology of Flowering and Reproduction

1 Topic
Photoperiodism, Phytochromes and Floral Induction (Florigen)

Plant Molecular Biology

1 Topic
Plant Genome Organization, Organellar DNA, and Cytoplasmic Male Sterility

Plant Molecular Biology

3 Topics
Photoregulation of Gene Expression, Phytochromes and Cryptochromes Molecular Basis of Biotic and Abiotic Stress Signaling in Plants Plant Organellar Genomes, Chimeric Genes and Cytoplasmic Male Sterility (CMS)

Plant Biotechnology / Genetic Engineering

2 Topics
Recombinant DNA Technology, Cloning Vectors, and Enzymes Plant Genetic Transformation, Transgenics, and Genome Editing

Tissue Culture

2 Topics
Haploids, Embryo Rescue, Protoplast Fusion and Germplasm Repositories Cellular Totipotency, Tissue Culture Formulations and In Vitro Morphogenesis

Plant Genetic Engineering

2 Topics
Transgenic Crop Technologies, Biofortification and Trait Engineering Plant Transformation Systems: Agrobacterium T-DNA and Direct Gene Delivery

Molecular Markers and Genomics

2 Topics
Molecular Marker Systems, Genetic Diversity and Mapping Populations Linkage Mapping, Physical Mapping, MAS, Gene Pyramiding and Genomic Selection
Official PYQ Papers

Previous Year Papers of Molecular Biology & Biotechnology

Practice official shift-wise question papers with answer keys and detailed explanations on the actual exam pattern.

1
Total Available Previous Papers

Choose Exam

Exam Directory

Browse official Previous papers and mock tests

9 Major Agriculture Exams Available

RPSC Agriculture Exams

4 Exams
Assistant Agriculture Officer Agriculture Officer RPSC Agriculture Research Officer RPSC AARO

RSSB Agriculture Exams

1 Exam
RSSB Agriculture Supervisor

National & PG Entrances

4 Exams
ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG ICAR JRF/SRF
Prevपिछला Nextअगला