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No glossary is provided. Appendices contain various useful links, both to the contents of the textbook and to some online resources. The contents are accurate throughout the textbook. However, some links to outside sources, especially those that are related to current topics, do not work anymore. This textbook is very solid on covering the established core ideas in cell and molecular biology, and is arranged in a way that some updates can be added when needed in the future.
Some chapters cover relatively new topics. However, the sections that cover new topics tend to be just bullet points with no detailed explanation is given. Instead, most of these new sections rely on external links, some of which do not work anymore. This is a major deficiency as a textbook for molecular biology.
The organization is very consistent throughout the textbook, with each chapter starting with an outline, learning objectives, historical background, then details. Also, there is a link to a short YouTube video at the end of each section, providing a quick take-home of each section. Each chapter is standalone, allowing readers to start from any chapter. But together they provide a larger framework.
The textbook flows very well, starting from the intro chapter 1 , biochemical aspects chapter , basic molecular biology chapter , cellular biology chapter I did not have any problem navigating through the textbook. The images are not of high quality, but they are quite sufficient to explain the contents.
This category is not too relevant when reviewing this textbook. However, I found discussions on some controversial issues, such as GMO, rather shallow and slightly insensitive. Every chapter begins with a historical background, which allows students to connect more to the scientists themselves, their struggles, and their excitements. I think this is a great textbook for introductory-level courses that cover the core concepts in the field.
There is a hyperlinked table of contents with fairly descriptive chapter titles. However, the text lacks an index that could be used to find specific terms and concepts by searching directly.
There is a list of relevant terms at the end of each There is a list of relevant terms at the end of each chapter; however this is not a glossary, as the terms are not defined. The content is accurate and presented at a level that would be understandable to biology majors in an introductory course. However, there are links to outside sources i. We tell our students that wikipedia is not a reliable source to use as a reference in their writing, and here it is frequently referenced throughout the text.
The plasticity and editability of the wikipedia entries could jeopardize both the longevity and the accuracy of this text. The content is on par with other textbooks on this topic in relation to relevance and longevity of topics. Similar to other texts, it does not describe cutting edge techniques like next generation sequencing.
Most of the prose is clearly written, but the clarity is obscured occasionally when ideas could be more succinctly stated.
Additionally, there are some terms which should be better defined, e. I had never seen this term used before, so I did some research. There is some controversy about whether the last universal common ancestor LUCA was in fact a progenote; it may be better to use a different term, or at least acknowledge the controversy. The text is internally consistent in terms of terminology and framework. Each chapter starts with an introduction, links to voice-over powerpoint presentations, and a list of learning objectives.
Throughout the subsections of each chapter, there are challenge boxes which pose questions to the student to help them synthesize what they have just read. The text is easily divisible into chapters that can be covered throughout the semester. The topics covered in each chapter can be used on its own. However, the author frequently refers to additional sources in the introductory material for a chapter. Benjamin Cummings, San Francisco.
The information is presented logically from beginning to end, although each chapter can be presented individually. Links to multiple figures are incorrect and figures are not cited correctly. For example, the hyperlink below the comic on page 1 links to a completely different comic on the azcentral.
The text contains no major grammatical errors. There are some spots where phrasing is awkward. I did not find any instances of cultural insensitivity in the text itself, but at least one of the links to an outside source was wholly inappropriate for a science textbook. On page , there is a link to an article on Huffington Post. The author uses this article to prompt a discussion about the evolution of artificial intelligence. Such issues could be avoided by linking to sources other than Huffington Post.
I am concerned as to whether the author has license to use many of the images that are in the text. It is not clear whether the author has permission from the publishers of Time to use this image. This text is thorough in the sense that it covers all pertinent topics taught in an introductory cell and molecular biology course.
Additional information is provided through embedded links to videos and articles but if these are not viewed the student misses the information. Several of these links are to wikipedia which may not be the best source. Also, a more detailed review of chemical bonds and the molecular structure of proteins, lipids, and carbohydrates would ensure the student has the knowledge to understand the cellular processes.
While these are topics the student should know from general biology, they often have misconceptions that need to be corrected. This is especially true for protein structure and understanding the allosteric regulation that is discussed throughout the text. A list of important terms is provided at the end of each chapter however, they are not defined in a glossary.
For the most part, the text is accurate and well written. The sections on energy and enzyme kinetics are particularly well written with excellent examples. However, there are a few errors. For instance, hyperpolarization is the state when the membrane potential of a cell becomes more negative and an action potential is inhibited but it is defined in the text as an increase in depolarization that leads to an action potential. There are a few other sections that need some clarification because they could lead to misconceptions.
For example, antiporters and symporters are involved in the active transport of one molecule while an ion diffuses and this is only discussed in the context of facilitated diffusion. Also, the sentence, "On the other hand, membrane proteins are responsible for the selective permeability of membranes In most sections, the figures are helpful, but without defined figure legends, a few are unclear.
The text was recently updated so recent references are included. When needed, new references can be added easily so the longevity should be adequate. The text provides an excellent review of the history of molecular and cellular biology. Although more details would improve the accuracy and clarity of the text as described previously, most sections are well written and free of undefined technical jargon.
Each chapter of the text follows the same format with an introduction, learning objectives, and key terms provided. The terminology is consistent and new terms are defined.
The text is divided into chapters that are each divided into smaller sections with subheadings. Each section is of a reasonable length and the information is logically divided.
The text begins with an overview of the cell theory and organelle function followed by a review of chemical bonds, macromolecules, and energy. The next section discusses principles of molecular biology with chapters on DNA replication, transcription, gene regulation, and molecular techniques.
The last section describes the cell membrane, cellular transport, cell signaling, cell cycle, and evolution. There are a few instances where examples were given that required knowledge that is discussed in later chapters. For example, the tertiary structure of insulin is provided as an example of covalent bonds before protein folding is presented. The challenge questions are a great addition to the text but a few of them needed information from future chapters to completely answer the question.
Also, answers to these questions provided at the end of the text would increase learning. Overall, the organization and flow of information is good. There are no major problems with interface.
A few of the figures are a bit distorted but not to the point of distracting from the reading. There are a few typos and repeated sections of sentences but these are rare and do not really affect the overall reading. This text provides a basic summary of cellular and molecular processes that could be customized for an introductory cell or molecular course. There are a few errors that do need corrected and then additional details could be added to supply the desired rigor.
The voice over powerpoints are helpful and make the text more accessible. Overall, this text provides a workable foundation for an open access text that can be customized to meet the demands of any introductory cell molecular course. This text is a great introductory text that includes the basics of cell and molecular biology. It would be a very useful introductory text. Each chapter includes appropriate video presentations which adds to comprehension. There is a theme There is a theme based on evolution utilized throughout each chapters with appropriate examples.
Main points are reinforced with guided exercises for students. Although each chapter could stand alone it does seem that some reordering of chapters might help.
There are some areas that are used but not explained until another chapter. But these are actually quite small. Representing the combined effort of seven editors and more than Marcus and Feldman's Osteoporosis, Fifth Edition, is the most comprehensive, authoritative reference on this disease. Led by a new editorial team, this fifth edition offers critical information on reproductive and hormonal risk factors, new therapeutics, ethnicity, nutrition, therapeutics, management and economics, comprising a tremendous wealth of knowledge in a single.
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Unit 5: Human Physiology. This unit compounds of seven chapters. Chapter Digestion and Absorption. Food suggests a fundamental requirement for all living beings.
Living organisms require carbohydrates, fats, protein, minerals and vitamins for their growth, developments, and survival. Through the digestive system, all these elements can be absorbed by living bodies. This chapter gives a detailed overview of the human digestive system that comprises of the alimentary canal, digestive glands, and digestion process of foods. Afterwards, it highlights the process of absorption of digested foods. Moreover, this chapter also speaks about all the common disorders like jaundice, constipation, diarrhoea, etc.
Chapter Breathing and Exchange of Gases. Biology students can learn about the various respiratory organs like lungs and breathing mechanism in this chapter of 11th NCERT biology book. This topic provides information about how the human body exchange gases, transport gases, and regulate this respiration process. Lastly, it shows the disorders that are found in the human respiratory system like asthma, emphysema, occupational respiratory diseases.
Chapter Body Fluid and Circulation. The human body transports all the required elements by a fluid called blood. It also gives information about different blood groups. Another fluid in the form of tissue, lymph, is also described here. Moreover, students can also gather knowledge about the circulation pathway, the circulatory system of humans, and the cardiac cycle. Also, this chapter answers various questions about double circulation, cardiac activities, and circulatory disorders like high blood pressure, angina, heart failure, etc.
Chapter Excretory Products and Their Elimination. The procedure of urine formation, different functions of tubules, concentration mechanism of filtrate are also discussed in this topic. Students can learn about kidney function and its regulations, importance of other organs in excretion. Moreover, they can also know about excretory disorders like uremia, renal failure, renal calculi, glomerulonephritis.
Chapter Locomotion and Movement. Movement is a major characteristic of living organisms, and this chapter of NCERT biology class 11 PDF explains various types of movements found in humans. The number of muscles like skeletal, visceral, etc. Students can find detailed information about the skeletal system and joints in this chapter, explaining how this system helps human to move and locomotion. Moreover, muscular and skeletal disorders like myasthenia, tetany, arthritis, osteoporosis, gout, etc.
Chapter Neural Control and Coordination. Human organs coordinate with each other to perform various body functions, and a neural system helps the body to coordinate. This chapter also encapsulates the central neural system of the human body and how this system controls most of the functions.
Students can also learn about reflex arc and action and sensory reception and transmitting process.
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