Free Download Biology: Introduction To Molecular Genetics And Genomics

Free Download Biology: Introduction To Molecular Genetics And Genomics Biology: Introduction To Molecular Genetics And Genomics To download this book click on download button

Free Download Molecular Biology in Medicinal Chemistry

Free Download Molecular Biology in Medicinal Chemistry This readily comprehensible book explains the identification of molecular targets via cellular assays, reporter genes or transgenic models, as well as surveying recent advances in the synthesis, separation and analysis of drugs. A special section is devoted to molecular genetics methods. With its examination of these novel methods and generous practical advice, this is essential reading for all pharmaceutical chemists, molecular biologists and medical researchers using molecular methods to study drugs and their action. To download this book click download button

Biochemistry, The Molecular Basis of Life

Biochemistry, The Molecular Basis of Life

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Biochemistry, The Molecular Basis of Life

Click here to Download, PDF (Bookza Link)

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Book Description

Biochemistry: The Molecular Basis of Life is the ideal text for students who do not specialize in biochemistry but who require a strong grasp of biochemical principles. The goal of this edition has been to enrich the coverage of chemistry while better highlighting the biological context. Once concepts and problem-solving skills have been mastered, students are prepared to tackle the complexities of science, modern life, and their chosen professions.

DISTINCTIVE FEATURES

A Review of Basic Principles. To ensure that all students are sufficiently prepared for acquiring a meaningful understanding of biochemistry, the first four chapters–now streamlined for easier coverage and self-study assessment–review the principles of relevant topics such as organic functional groups, noncovalent bonding, thermodynamics, and cell structure.

Chemical and Biological Principles in Balance. Comprehensive coverage offers each instructor the flexibility to decide how much chemistry or biology he/she would like to present. Chemical mechanisms are always presented within the physiological context of the organism.

Real-World Relevance. Because students who take the survey of biochemistry course come from a range of backgrounds and have diverse career goals, the updated fifth edition consistently demonstrates the fascinating connections between biochemical principles and the fields of medicine, nutrition, agriculture, bioengineering, and forensics.

The Most Robust Problem-Solving Program Available.
* In-chapter “Worked Problems” illustrate how quantitative problems are solved and provide students with opportunities to put their knowledge into action right when new concepts are introduced.
* Dozens of “Questions” are interspersed throughout the chapters, getting students critically thinking about high-interest topics.
* Finally, hundreds of multiple-choice and short-answer questions at the end of the chapters test students’ knowledge, develop their conceptual understanding, and encourage them to apply what they have learned.

Simple, Clear Illustrations. Biochemical concepts often require a high degree of visualization, and the McKee and McKee art program brings complex processes to life. The book includes 700+ full-color figures, many newly enhanced for a more vivid presentation in three dimensions and consistent scale and color for chemical structures.

Biochemistry, The Molecular Basis of Life

Cell Biology, Genetics, Molecular Biology, Evolution and Ecology by Verma, Agarwal

Cell Biology, Genetics, Molecular Biology, Evolution and Ecology by Verma, Agarwal

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Cell Biology, Genetics, Molecular Biology, Evolution and Ecology by Verma, Agarwal

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Book Description

The multicoloured edition of the textbook of Cell Biology, Genetics, Molecular Biology, Evolution and Ecology is the outcome of sincere and combined efforts of the authors and editors (namely Shishir Bhatnagar, Shubha Pradhan, Malini Kothiyal) and young but talented persons of DTP of S.Chand & Company Ltd. Their main motive remained to provide relevant coloured photographs explaining various intricate biological
topics. Multicoloured figures and photographs of this edition would help our target readers to understand and fully appreciate the very gist of the subject matter. Authors and editors have remained quite choosy and vigilant regarding relevance and authenticity of each and every illustration/picture finding its place in this textbook.

Authors earnestly hope that this multicoloured edition of the textbook of Cell Biology, Genetics, Molecular Biology, Evolution and Ecology will enhance the curiosity of our target readers to know more and more about the subject. It will arm them with latest information for facing any type of exam quite adequately.

This book is meant for students of B.Sc., B.Sc. (Hons.) and M.Sc. of biological group. Students appearing in entrance exams of C.P.M.T., I.F.S., P.C.S. and I.A.S., etc, may be immensely benefited by this book.

Cell Biology, Genetics, Molecular Biology, Evolution and Ecology by Verma, Agarwal

Processing of Gene Information Prokaryotes versus Eukaryotes

Prokaryotic versus Eukaryotic Gene Expression

To understand how gene expression is regulated, we must first understand how a gene codes for a functional protein in a cell. The process occurs in both prokaryotic and eukaryotic cells, just in slightly different manners.

Prokaryotic organisms are single-celled organisms that lack a defined nucleus; therefore, their DNA floats freely within the cell cytoplasm. To synthesize a protein, the processes of transcription (DNA to RNA) and translation (RNA to protein) occur almost simultaneously. When the resulting protein is no longer needed, transcription stops. Thus, the regulation of transcription is the primary method to control what type of protein and how much of each protein is expressed in a prokaryotic cell. All of the subsequent steps occur automatically. When more protein is required, more transcription occurs. Therefore, in prokaryotic cells, the control of gene expression is mostly at the transcriptional level.

Eukaryotic cells, in contrast, have intracellular organelles that add to their complexity. In eukaryotic cells, the DNA is contained inside the cell's nucleus where it is transcribed into RNA. The newly-synthesized RNA is then transported out of the nucleus into the cytoplasm where ribosomes translate the RNA into protein. The processes of transcription and translation are physically separated by the nuclear membrane; transcription occurs only within the nucleus, and translation occurs only outside the nucleus within the cytoplasm. The regulation of gene expression can occur at all stages of the process . Regulation may occur when the DNA is uncoiled and loosened from nucleosomes to bind transcription factors (epigenetics), when the RNA is transcribed (transcriptional level), when the RNA is processed and exported to the cytoplasm after it is transcribed (post-transcriptional level), when the RNA is translated into protein (translational level), or after the protein has been made (post-translational level).

Prokaryotic vs Eukaryotic Gene Expression

Prokaryotic transcription and translation occur simultaneously in the cytoplasm, and regulation occurs at the transcriptional level. Eukaryotic gene expression is regulated during transcription and RNA processing, which take place in the nucleus, and during protein translation, which takes place in the cytoplasm. Further regulation may occur through post-translational modifications of proteins.

RNA Splicing

In molecular biology and genetics, splicing is a modification of the nascent pre-messenger RNA (pre-mRNA) transcript in which introns are removed and exons are joined. For nuclear encoded genes, splicing takes place within the nucleus after or concurrently with transcription. Splicing is needed for the typical eukaryotic messenger RNA (mRNA) before it can be used to produce a correct protein through translation. For many eukaryotic introns, splicing is done in a series of reactions which are catalyzed by the spliceosome, a complex of small nuclear ribonucleoproteins (snRNPs), but there are also self-splicing introns.

Sanger Sequencing of DNA

Sanger sequencing is a method of DNA sequencing based on the selective incorporation of chain-terminating dideoxynucleotides by DNA polymerase during in vitro DNA replication.

Developed by Frederick Sanger and colleagues in 1977, it was the most widely used sequencing method for approximately 25 years. More recently, Sanger sequencing has been supplanted by "Next-Gen" sequencing methods, especially for large-scale, automated genome analyses. However, the Sanger method remains in wide use, primarily for smaller-scale projects and for obtaining especially long contiguous DNA sequence reads (>500 nucleotides).

Antibiotics Cell Wall Inhibition

β-Lactam (beta-lactam) and glycopeptide antibiotics work by inhibiting or interfering with cell wall synthesis of the target bacteria.

Two types of antimicrobial drugs work by inhibiting or interfering with cell wall synthesis of the target bacteria. Antibiotics commonly target bacterial cell wall formation (of which peptidoglycan is an important component) because animal cells do not have cell walls. The peptidoglycan layer is important for cell wall structural integrity, being the outermost and primary component of the wall.

The first class of antimicrobial drugs that interfere with cell wall synthesis are the β-Lactam antibiotics (beta-lactam antibiotics), consisting of all antibiotic agents that contains a β-lactam nucleus in their molecular structures. This includes penicillin derivatives (penams), cephalosporins (cephems), monobactams, and carbapenems. β-Lactam antibiotics are bacteriocidal and act by inhibiting the synthesis of the peptidoglycan layer of bacterial cell walls . The final step in the synthesis of the peptidoglycan is facilitated by penicillin-binding proteins (PBPs). PBPs vary in their affinity for binding penicillin or other β-lactam antibiotics.

Penicillin spheroplast generation

Diagram depicting the failure of bacterial cell division in the presence of a cell wall synthesis inhibitor (e.g. penicillin, vancomycin).1- Penicillin (or other cell wall synthesis inhibitor) is added to the growth medium with a dividing bacterium.2- The cell begins to grow, but is unable to synthesize new cell wall to accommodate the expanding cell.3- As cellular growth continues, cytoplasm covered by plasma membrane begins to squeeze out through the gap(s) in the cell wall.4- Cell wall integrity is further violated. The cell continues to increase in size, but is unable to "pinch off" the extra cytoplasmic material into two daughter cells because the formation of a division furrow depends on the ability to synthesize new cell wall.5- The cell wall is shed entirely, forming a spheroplast, which is extremely vulnerable relative to the original cell. The loss of the cell wall also causes the cell to lose control over its shape, so even if the original bacterium were rod-shaped, the sphereoplast is generally spherical. Finally, the fact that the cell has now doubled much of its genetic and metabolic material further disrupts homeostasis, which usually leads to the cell's death.

Bacteria often develop resistance to β-lactam antibiotics by synthesizing a β-lactamase, an enzyme that attacks the β-lactam ring. To overcome this resistance, β-lactam antibiotics are often given with β-lactamase inhibitors such as clavulanic acid.

The second class of antimicrobial drugs that interfere with cell wall synthesis are the glycopeptide antibiotics, which are composed of glycosylated cyclic or polycyclic nonribosomal peptides. Significant glycopeptide antibiotics include vancomycin, teicoplanin, telavancin, bleomycin, ramoplanin, and decaplanin. This class of drugs inhibit the synthesis of cell walls in susceptible microbes by inhibiting peptidoglycan synthesis. They bind to the amino acids within the cell wall preventing the addition of new units to the peptidoglycan .

Penicillin spheroplast generation

Diagram depicting the failure of bacterial cell division in the presence of a cell wall synthesis inhibitor (e.g. penicillin, vancomycin).1- Penicillin (or other cell wall synthesis inhibitor) is added to the growth medium with a dividing bacterium.2- The cell begins to grow, but is unable to synthesize new cell wall to accommodate the expanding cell.3- As cellular growth continues, cytoplasm covered by plasma membrane begins to squeeze out through the gap(s) in the cell wall.4- Cell wall integrity is further violated. The cell continues to increase in size, but is unable to "pinch off" the extra cytoplasmic material into two daughter cells because the formation of a division furrow depends on the ability to synthesize new cell wall.5- The cell wall is shed entirely, forming a spheroplast, which is extremely vulnerable relative to the original cell. The loss of the cell wall also causes the cell to lose control over its shape, so even if the original bacterium were rod-shaped, the sphereoplast is generally spherical. Finally, the fact that the cell has now doubled much of its genetic and metabolic material further disrupts homeostasis, which usually leads to the cell's death.

Treatment of HIV

The aim of antiretroviral treatment is to keep the amount of HIV in the body at a low level. This stops any weakening of the immune system and allows it to recover from any damage that HIV might have caused already. The drugs are often referred to as: antiretrovirals, ARVs, anti-HIV or anti-AIDS drugs.

Instant Notes in Molecular Biology

Instant Notes in Molecular Biology

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Instant Notes in Molecular Biology

Direct Link

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Google Doc

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Book Description

The new edition of Instant Notes in Molecular Biology has been revised and updated to include information on micro RNAs, RNA inhibition, functional genomics, proteomics, imaging, stem cells and bioinformatics. Written in an accessible style, the book will be a highly useful tool for studying molecular biology.

Each topic begins with a summary of essential facts-an ideal revision checklist-followed by a description of the subject that focuses on core information, with clear, simple diagrams that are easy for students to understand and recall in essays and exams.

Table of Contents

A. Information Processing and Macromolecules
B. Properties of Nucleic Acids
C. Prokaryotic and Eukaryotic Chromosome Structure
D. DNA Replication
E. DNA Damage, Repair and Recombination
F. Transcription in Prokaryotes
G. Regulation of Transcription in Prokaryotes
H. Transcription in Eukaryotes
I. Regulation of Transcription in Eukaryotes
J. RNA Processing and RNPs
K. The Genetic Code and tRNA
L. Protein Synthesis
M. Bacteriophages and Eukaryotic Viruses
N. Cell Cycle and Cancer
O. Gene Manipulation
P. Cloning Vectors
Q. Gene Libraries and Screening
R. Analysis and uses of Cloned DNA
S. Functional Genomics and the new Technologies

Instant Notes in Molecular Biology

Instant Notes in Molecular Biology

********************************************

Instant Notes in Molecular Biology

Book Description

The new edition of Instant Notes in Molecular Biology has been revised and updated to include information on micro RNAs, RNA inhibition, functional genomics, proteomics, imaging, stem cells and bioinformatics. Written in an accessible style, the book will be a highly useful tool for studying molecular biology.

Each topic begins with a summary of essential facts-an ideal revision checklist-followed by a description of the subject that focuses on core information, with clear, simple diagrams that are easy for students to understand and recall in essays and exams.

Table of Contents

A. Information Processing and Macromolecules
B. Properties of Nucleic Acids
C. Prokaryotic and Eukaryotic Chromosome Structure
D. DNA Replication
E. DNA Damage, Repair and Recombination
F. Transcription in Prokaryotes
G. Regulation of Transcription in Prokaryotes
H. Transcription in Eukaryotes
I. Regulation of Transcription in Eukaryotes
J. RNA Processing and RNPs
K. The Genetic Code and tRNA
L. Protein Synthesis
M. Bacteriophages and Eukaryotic Viruses
N. Cell Cycle and Cancer
O. Gene Manipulation
P. Cloning Vectors
Q. Gene Libraries and Screening
R. Analysis and uses of Cloned DNA
S. Functional Genomics and the new Technologies

Instant Notes in Molecular Biology

Molecular Biology and Biotechnology By John M. Walker, Ralph Rapley

Molecular Biology and Biotechnology By John M. Walker, Ralph Rapley

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Molecular Biology and Biotechnology By John M. Walker, Ralph Rapley

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Book Description

This popular textbook has been completely revised and updated to provide a comprehensive overview and to reflect all the latest developments in this rapidly expanding area. Chapters on the impact of molecular biology in the development of biotechnology have been fully updated and include the applications of molecular biology in the areas of drug design and diseases. There are also completely new chapters in developing areas such as genome technology, nanobiotechnology, regenerative medicine and biofuels. By presenting information in an easily assimilated form, this book makes an ideal undergraduate text.

From the Back Cover

One of the exciting aspects of being involved in the field of molecular biology is the ever-accelerating rate of progress, both in the development of new methodologies and the practical applications of these methodologies. This popular textbook has been completely revised and updated to provide a comprehensive overview and to reflect all the latest developments in this rapidly expanding area. Chapters on the impact of molecular biology in the development of biotechnology have been fully updated and include the applications of molecular biology in the areas of drug design and diseases. The first six chapters deal with the technology used in current molecular biology and biotechnology. These primarily deal with core nucleic acid techniques and protein expression through microbial and genetic detection methods. Further chapters address the huge advances made in gene and genome analysis and updates the rapid advances into yeast analysis, which is providing very exciting insights into molecular pathways. There are also completely new chapters in developing areas such as genome technology, nanobiotechnology, regenerative medicine and biofuels. In addition, the authors continue to ensure that biotechnology is not just considered at the gene level and full consideration continues to be given to applications and manufacturing, with chapters on downstream processing, biosensors, the applications of immobilised biocatalysts, and a new chapter on the developing area of biofuels. By presenting information in an easily assimilated form, this book makes an ideal undergraduate text. Molecular Biology and Biotechnology 5th Edition will be of particular interest to students of biology and chemistry, as well as to postgraduates and other scientific workers who need a sound introduction to this ever rapidly advancing and expanding area.

Molecular Biology and Biotechnology By John M. Walker, Ralph Rapley

Biochemistry and Molecular Biology Compendium

Biochemistry and Molecular Biology Compendium

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Biochemistry and Molecular Biology Compendium

Click here to Download (Box Link)

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Click here to Download (Bookfi Link)

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Book Description

While biomedical investigation has greatly advanced, investigators have lost touch with and inadvertently corrupted significant nomenclature at the foundation of their science. Nowadays, one has to be an insider to even understand the titles of journals, as modern biochemists have a tendency to invent new terms to describe old phenomena and apply acronyms in a haphazard way. In addition, while the use of kits now saves time, by taking shortcuts, many have lost touch with the principles that lie behind the processes they employ. Assembled by Roger Lundblad, the Biochemistry and Molecular Biology Compendium provides both academic and industrial researchers with an exceptionally accessible resource that offers a plethora of practical information not found in more database-oriented resources. A renowned scientist and author who bridges the old school of protein research and current proteomics, Dr. Lundblad is uniquely qualified to bring forth this handy resource.

With great respect for the roots of the science, Dr. Lundblad provides a list of commonly used acronyms with definitions, as well as a glossary of terms and subjects used in biochemistry, molecular biology, biotechnology, proteomics, genomics, and systems biology. He also provides a chapter on those chemicals commonly employed in biochemistry and molecular biology, complete with properties and structure drawings, as well as a detailed accounting of protease inhibitors and protease inhibitor cocktails. A list of organic name reactions used in biochemistry is also included, as is a list of buffers with references to specific uses and unwanted side reactions.

Until now, this information could only be garnered from older books and Internet searches convoluted by uncertain nomenclature. Biochemistry and Molecular Biology Compendium may not provide all the answers, but researchers will find it to be a valuable tool that will save them time, as well as provide essential links to the roots of their science.

Biochemistry and Molecular Biology Compendium

Biochemistry, The Molecular Basis of Life

Biochemistry, The Molecular Basis of Life

********************************************

Biochemistry, The Molecular Basis of Life

Click here to Download, PDF (Bookza Link)

OR

HOW TO DOWNLOAD

Click here to Download, DJVU (Mediafire Link)

Book Description

Biochemistry: The Molecular Basis of Life is the ideal text for students who do not specialize in biochemistry but who require a strong grasp of biochemical principles. The goal of this edition has been to enrich the coverage of chemistry while better highlighting the biological context. Once concepts and problem-solving skills have been mastered, students are prepared to tackle the complexities of science, modern life, and their chosen professions.

DISTINCTIVE FEATURES

A Review of Basic Principles. To ensure that all students are sufficiently prepared for acquiring a meaningful understanding of biochemistry, the first four chapters–now streamlined for easier coverage and self-study assessment–review the principles of relevant topics such as organic functional groups, noncovalent bonding, thermodynamics, and cell structure.

Chemical and Biological Principles in Balance. Comprehensive coverage offers each instructor the flexibility to decide how much chemistry or biology he/she would like to present. Chemical mechanisms are always presented within the physiological context of the organism.

Real-World Relevance. Because students who take the survey of biochemistry course come from a range of backgrounds and have diverse career goals, the updated fifth edition consistently demonstrates the fascinating connections between biochemical principles and the fields of medicine, nutrition, agriculture, bioengineering, and forensics.

The Most Robust Problem-Solving Program Available.
* In-chapter “Worked Problems” illustrate how quantitative problems are solved and provide students with opportunities to put their knowledge into action right when new concepts are introduced.
* Dozens of “Questions” are interspersed throughout the chapters, getting students critically thinking about high-interest topics.
* Finally, hundreds of multiple-choice and short-answer questions at the end of the chapters test students’ knowledge, develop their conceptual understanding, and encourage them to apply what they have learned.

Simple, Clear Illustrations. Biochemical concepts often require a high degree of visualization, and the McKee and McKee art program brings complex processes to life. The book includes 700+ full-color figures, many newly enhanced for a more vivid presentation in three dimensions and consistent scale and color for chemical structures.

Biochemistry, The Molecular Basis of Life