Allgemeines, Lexika
A look back at 35 years of enriching experiences
A text book on physiology
A text book on physiology
The text book of physiology is written for the B.Sc and M.Sc Students for u.g and p.g level students, the book contains various figures for easy recognition of physiological means. The examination of biological views, their functions of vital activities of organs, tissue and their system are elements of physiology. Blood, respiration, circulation, excretion, muscle contraction, nutrition are the components of physiology. All these can be found in this textbook.
Aggression in Humans and Other Primates
Anleitung zum Ausstopfen der Vögel und Säugetiere
Anthropologischer Unnutzen und Nutzen von Käfern
Fachbuch aus dem Jahr 2013 im Fachbereich Biologie - Allgemeines, Grundlagen, , Sprache: Deutsch, Abstract: "Es gibt nicht wenige Menschen, die sich instinktiv vor den Käfer ekeln oder fürchten. Manchmal können wir hören, daß die Eltern zu ihrem Kind sagen:" 'Faß den Käfer nicht an, du könntest krank werden'" . Dass dieses Zitat als überholt gelten muss, mag dem Biologen und besonders dem Entomologen bekannt sein. Allerdings fehlt weiten Teilen der Bevölkerung noch immer das Verständnis für die Bedeutung von Käfern. Insbesondere wenn man auf die durch den Kartoffelkäfer (Leptinotarsa decemlineata) verursachten, immer wiederkehrenden schrecklichen Ernteschäden und die damit verbundenen Hungersnöte zwischen 1830 und 1950 schaut. Allerdings finden sich auch verstärkt negative Stimmen aus dem Lager der Holzwirtschaft, nach denen insbesondere Maikäfer und die Larven diverser Bockkäferarten (Cerambycidae) massive Schäden anrichten sollen. Gleichzeitig finden sich aber schon lange vor dieser Zeit, im frühen Ägypten Belege dafür, dass der Käfer, insbesondere der Scarabaeus als Gegenstand ritueller Verehrung eine hohe Wertschätzung genoss. Er galt als Symbole der Auferstehung nach dem Tod und der Sonne, da er doch den Kot vergräbt, ähnlich wie die Sonne im Horizont versinkt. Auch Heute offenbart der Käfer seinen Nutzen für den Menschen fast nur dem Kenner oder Eingeweihten. Als Futtertiere (Mehlkäferlarven) oder Versuchstiere zur Testung "insektizidverdächtiger" Chemikalien und für genetische Experimente halten immer wieder Käfer her und tragen so dem Menschen in Form von neuen wissenschaftlichen Erkenntnissen ihren Nutzen an. Außerhalb der Labore finden sich noch wesentlich mehr Belege für den Nutzen der Käfer, insbesondere deren Notwendigkeit für das Ökosystem. Sie entfernen Aas, Dung und Abfallstoffe, wirken als Bestäuber und Holzzersetzer und werden zur Bekämpfung von Raupenplagen eingesetzt. Für unseren Kulturkreis eher ungewöhnlich ist die Nutzbarkeit oder Verwendung der Käfer als Nahrungsmittel oder Heilmittel gegen diverse Krankheiten. Dabei ist aber anzunehmen, dass die "Entdeckung vermutlicher oder tatsächlicher Heilwirkung der ursprünglichen Verwendung als Nahrungsmittel folge." Aber auch zur Herstellung von Gift oder Aphrodisiaken wurde häufig auf Käfer zurückgegriffen. Eine Betrachtung des Verhältnisses von Käfer und Mensch ist als durchaus kontrovers zu führen.
Asking Questions in Biology
The book is an indispensable companion to all students of biology, but particularly those enrolled in courses concerning experimental design, data analysis, hypothesis testing, research methods, or any practical project work.
Ausführliche Beschreibung sonderbarer Meerestiere (1753)
Nachdruck des Grundlagenwerks zur Meereskunde von 1753.
Avian Muscle ECM: Characterization & Biomedical Use
Bacteriological Techniques
Bacteriological Techniques
Berliner System
Berufliche Exposition gegenüber Radon
Beyond Brains: Evolution's Puzzle
The human story isn't simply one of big brains. While our complex craniums are undeniable marvels, a deeper evolutionary puzzle remains. Our ancestors possessed brains not much larger than chimps, yet they displayed tool use and social behaviors. This suggests other factors, alongside brain size, were at play. Perhaps a shift in brain organization, the emergence of key genes, or even changes in our environment unlocked hidden potential.Unraveling this puzzle requires delving beyond just brain size. Studying the intricate dance between genetics, behavior, and ecology might reveal a more nuanced picture. By examining the complete evolutionary toolkit, we can gain a richer understanding of how we became who we are
Beyond Cellulose: The Complex Biology of Plant Cell Walls
This title offers several advantages:Intrigue: "Unveiling the Hidden Symphony" sparks curiosity about the complexity beyond cellulose.Clarity: "Plant Cell Walls" defines the focus.Deeper Look: "More Than Cellulose" emphasizes the title goes beyond a single component.Here's a breakdown of the content it could cover:Cellulose: The Foundation: Briefly acknowledge cellulose as the main component but not the whole story.A Concert of Molecules: Discuss the various polysaccharides, proteins, and other molecules that work together in the cell wall.Beyond Structure:Highlight the diverse functions of cell wall components, including: Defense against pathogensRegulation of plant growth and developmentSignaling between plants and their environmentA World to Explore:Briefly mention the ongoing research into the intricate biology of cell walls and its potential applications in agriculture and bioengineering.
Beyond Classification: New Tools for Unraveling the Mysteries of Microbial Biogeography
For decades, microbial biogeography relied on traditional classification methods. But these techniques often fail to capture the vast and enigmatic world of microbes. This is where the tide turns towards "new tools for unraveling the mysteries of microbial biogeography."Imagine a universe teeming with unseen life, where traditional categories fall short. These novel tools, like DNA sequencing and metagenomics, allow scientists to delve deeper into the true extent of microbial diversity. By analyzing their genetic makeup and functional potential, we can paint a more complete picture of the microbial landscape.Here's how these tools empower biogeography research:¿ Unveiling the Unseen: New technologies identify previously unknown microbial populations, shedding light on their role in ecosystems.¿ Functional Insights: Beyond classification, these tools reveal the metabolic capabilities of microbes, providing a deeper understanding of their ecological contributions.¿ Precision Mapping: Advanced techniques enable more accurate mapping of microbial distribution and abundance across diverse environments.However, these tools also come with challenges. Data analysis can be complex, requiring specialized skills and advanced computing power. Additionally, standardizing methodologies across research groups is crucial for ensuring the comparability and reproducibility of results.Despite these hurdles, the potential of these new tools is undeniable. By venturing "beyond classification," we unlock a deeper understanding of the microbial world. This knowledge empowers us to predict how microbial communities will respond to environmental changes, paving the way for more informed conservation and climate change mitigation strategies.
Beyond Disease and Dissection: A Holistic View of Brain Function
For centuries, our understanding of the brain has relied on dissecting its parts and studying them in isolation. While this approach has yielded valuable insights into specific brain functions, it neglects the bigger picture - the brain as a dynamic, interconnected whole.This article advocates for a "holistic view" of brain function. This approach moves beyond disease and dissection, focusing on understanding how different brain regions work together to create our thoughts, emotions, and behaviors.Imagine the brain as a symphony orchestra, with each region playing a specific instrument. To truly appreciate the music, we need to understand not
Beyond Hearing Aids: Targeting the Cognitive Roots of Speech in Noise Difficulties
This title offers several advantages:¿ Clarity: "Speech in Noise Difficulties" defines the focus.¿ Action-Oriented: "Brain Training" emphasizes potential solutions.¿ Intrigue: "Beyond the Earpiece" suggests there's more to the problem than hearing aids.Here's a breakdown of the content it could cover:¿ Limitations of Hearing Aids: Briefly acknowledge the limitations of current hearing aids in addressing difficulties understanding speech in noise.¿ The Cognitive Connection: Discuss how cognitive processing plays a crucial role in understanding speech, especially in noisy environments.¿ Training the Brain:o Highlight the potential of brain-training exercises to improve a person's ability to filter out background noise and focus on specific sounds like speech.o Briefly mention different training approaches like auditory working memory exercises.¿ A New Frontier in Hearing:o Briefly touch upon the ongoing research in this field and the potential for brain training to complement hearing aids for better hearing experiences.
Beyond Human Friendships: The Power of Social Bonds in the Animal Kingdom
Social bonds aren't just for humans. From chimpanzees grooming each other to elephant matriarchies protecting young, the animal kingdom brims with examples of powerful connections. These bonds go beyond mere friendship, offering a range of benefits: cooperative hunting in wolves strengthens the pack, while vampire bats share blood with weaker members, promoting group survival. These connections are often forged through shared experiences, building trust and fostering altruistic behavior. Whether through grooming, play, or communication, these social bonds form the bedrock of animal societies, highlighting the deep evolutionary drive for connection that extends far beyond our own species.
Beyond the Code: How 3' UTR Diversity Shapes Cell Fate and Disease
Beyond the DNA code itself lies a hidden layer of control - the 3' untranslated region (3'UTR) of messenger RNA (mRNA). This tail-like region, though not translated into protein, plays a surprising role in shaping a cell's destiny. Multiple cleavage sites in the 3'UTR allow cells to choose which portion gets added, resulting in diverse mRNA forms. This diversity impacts how efficiently the mRNA is translated into protein. Researchers are finding connections between 3'UTR variations and cell functions like proliferation and differentiation. Even diseases like cancer may be linked to abnormal 3'UTR processing. Understanding how cells make these choices could unlock new avenues for treating diseases and deciphering the complexities of development.
Beyond the Scan: Using rs-fMRI to Bridge the Gap Between Brain and Behavior
For decades, neuroscientists have strived to understand the intricate link between the brain and behavior. Functional magnetic resonance imaging (fMRI) has been a powerful tool in this quest, allowing researchers to observe brain activity in real-time. However, traditional fMRI relies on participants performing specific tasks inside the scanner, limiting its ability to capture the brain's spontaneous activity. This is where resting-state fMRI (rs-fMRI) emerges as a groundbreaking technique.What is rs-fMRI?Unlike traditional fMRI, rs-fMRI doesn't involve specific tasks. Participants simply lie still inside the scanner, their minds free to wander. While seemingly uneventful, this "resting state" reveals a dynamic symphony of brain activity. By measuring blood oxygenation levels, rs-fMRI captures fluctuations in brain function, indicating which regions are communicating with each other. These interconnected networks are thought to underlie various cognitive processes, even when we're not actively engaged in a task.
Biochemistry Laboratory: Modern Theory and Techniques
Your biochemistry lab course is an essential component in training for a career in biochemistry, molecular biology, chemistry, and related molecular life sciences such as cell biology, neurosciences, and genetics. Biochemistry Laboratory: Modern Theory and Techniques covers the theories, techniques, and methodologies practiced in the biochemistry teaching and research lab. Instead of specific experiments, it focuses on detailed descriptions of modern techniques in experimental biochemistry and discusses the theory behind such techniques in detail. An extensive range of techniques discussed includes Internet databases, chromatography, spectroscopy, and recombinant DNA techniques such as molecular cloning and PCR. The Second Edition introduces cutting-edge topics such as membrane-based chromatography, adds new exercises and problems throughout, and offers a completely updated Companion Website.
Biograficheskij i hronologicheskij sprawochnik
Biological Inquiry: A Workbook of Investigative Cases
This workbook offers ten investigative cases. Each case study requires students to synthesize information from multiple chapters of the text and apply that knowledge to a real-world scenario as they pose hypotheses, gather NEW! information, analyze evidence, graph data, and draw conclusions. A link to a student website is in the Study Area in MasteringBiology.