Zoology for Degree Students [B.Sc. (Hons.) Sem.-V, As per CBCS]

Zoology for Degree Students [B.Sc. (Hons.) Sem.-V, As per CBCS]

Authors : Dr. V K Agarwal

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About the Author

Dr. V K Agarwal :-
MSc, PhD, has rich teaching experience of more than four decades at Meerut College, Meerut. He has taught subjects such as Cell Biology, Genetics, Molecular Biology, Chordate Embryology (Developmental Biology), Invertebrate Zoology, Chordate Zoology, Evolution, Ecology, Animal Behaviour (Ethology) to undergraduate and postgraduate students. Dr Agarwal has to his credit the authorship of several widely acclaimed books such as Cell Biology, Genetics, Chordate Embryology (Developmental Biology), Ecology (Environmental Biology), Ethology (Animal Behaviour), Zoology for Degree Students- BSc First Year (includes Invertebrate Zoology), Zoology for Degree Students-Semester III, Molecular Biology, Genetic Engineering, and a multi-coloured edition of Cell Biology, Genetics, Molecular Biology, Evolution and Ecology. The author has also co-authored CBSE - IX Biology. He has also published few research papers on Insect Physiology and Toxicology.

About the Book

This textbook has been designed to meet the needs of B.Sc. (Hons.) Fifth Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Molecular Biology and Genetics. This textbook is profusely illustrated with well-drawn labelled diagrams, flow charts and tables, not only to supplement the descriptions, but also for sound understanding of the concepts.

Salient Features

• Discussion on contemporary topics in molecular biology such as regulatory RNAs, DNA repair mechanisms and transcriptional regulation of eukaryotic genes
• Discussion on contemporary topics in genetics such as microbial genetics, plasmids, IS elements, transposons and retroelements, phenotypic plasticity and genomic imprinting due to DNA methylation
• Close to 75 boxed items throughout the text providing information on intricate terms or topics
• Engaging chapter-end exercises having more than 1200 questions to enhance and strengthen learning of the students

Table of Content

Molecular Biology (CC-XI)
• Definition, History and Techniques of Molecular Biology • Organisms used in Molecular Biology • Identification of the Genetic Materials • Chemical Nature of Genetic Materials (DNA and RNA) (Watson and Crick Model of DNA) • Organization of Genetic Material (DNA of Nucleosomes, Centromeres and Telomers) • Split Genes • DNA Replication • Transcription • Messenger RNA (Coding RNA) (MRNA: Modification, Processing, Editing, and Splicing) • Ribosomal RNA (rRNA) and Transfer RNA (tRNA) • Genetic Code • Translation: Protein Synthesis • Post-Translational Processing of Proteins • Multigene Families (Globin Genes, Actin Genes, Histone Gene Clusters and tRNA Genes) • Regulation of Gene Action in Bacteria and Viruses • Regulation of Gene Action in Eukaryotes • DNA Repair Mechanisms • Regulatory RNAs: Riboswitches, RNA Interference (RNAi), siRNAs and miRNAs

Principles Of Genetics (CC-XII)
• Introduction • Laws of Heredity (Mendelian Laws of Inheritance) • Dominance, Incomplete Dominance and Codominance • Multiple Alleles • Lethal Genes and Pleiotropic Genes • Interactions of Genes (Factor Hypothesis) • Sex Linkage (Sex-Linked Inheritance) • Linkage • Crossing Over • Genetic and Physical Mapping of Chromosomes • Chromosomal Mutations • Alteration in the Genetic Material (Point Mutation) • The Gene (Fine Structure of Gene) • Sex Chromosomes, Sex Determination and Sex Differentiation • Non-Chromosomal Inheritance (Cytoplasmic Inheritance) • Polygenic Inheritance • Sexuality and Recombination in Bacteria and Viruses (Microbial Genetics) • Plasmids, is Elements, Transposons and Retroelements