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Pioneering Progress : American Science, Technology, and Innovation Policy
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Handbook of Research on Science Teacher Education
This groundbreaking handbook offers a contemporary and thorough review of research relating directly to the preparation, induction, and career long professional learning of K–12 science teachers. Through critical and concise chapters, this volume provides essential insights into science teacher education that range from their learning as individuals to the programs that cultivate their knowledge and practices.Each chapter is a current review of research that depicts the area, and then points to empirically based conclusions or suggestions for science teacher educators or educational researchers.Issues associated with equity are embedded within each chapter.Drawing on the work of over one hundred contributors from across the globe, this handbook has 35 chapters that cover established, emergent, diverse, and pioneering areas of research, including: Research methods and methodologies in science teacher education, including discussions of the purpose of science teacher education research and equitable perspectives; Formal and informal teacher education programs that span from early childhood educators to the complexity of preparation, to the role of informal settings such as museums; Continuous professional learning of science teachers that supports building cultural responsiveness and teacher leadership; Core topics in science teacher education that focus on teacher knowledge, educative curricula, and working with all students; and Emerging areas in science teacher education such as STEM education, global education, and identity development. This comprehensive, in-depth text will be central to the work of science teacher educators, researchers in the field of science education, and all those who work closely with science teachers.
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Sport Psychology : Performance Enhancement, Performance Inhibition, Individuals, and Teams
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Handbook of Research on Science Education : Volume III
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Is allosteric inhibition the same as non-competitive inhibition?
Allosteric inhibition and non-competitive inhibition are not the same, although they are related. Non-competitive inhibition refers to the binding of an inhibitor to a site on the enzyme that is not the active site, thereby preventing the substrate from binding to the active site. Allosteric inhibition, on the other hand, occurs when an inhibitor binds to a site on the enzyme that is distinct from the active site, causing a conformational change in the enzyme that reduces its activity. While both types of inhibition involve the binding of an inhibitor to a site other than the active site, allosteric inhibition specifically involves a change in the enzyme's shape and activity.
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What type of inhibition occurs through allosteric activation/inhibition?
Allosteric inhibition occurs when a molecule binds to an allosteric site on an enzyme, causing a conformational change that reduces the enzyme's activity. This type of inhibition is non-competitive, meaning it does not compete with the substrate for the active site. Allosteric activation, on the other hand, occurs when a molecule binds to an allosteric site and enhances the enzyme's activity. Both allosteric inhibition and activation involve the binding of a regulatory molecule to a site other than the active site of the enzyme, leading to a change in the enzyme's activity.
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What is the difference between competitive inhibition and allosteric inhibition?
Competitive inhibition occurs when a molecule competes with the substrate for the active site of an enzyme, effectively blocking the substrate from binding and inhibiting the enzyme's activity. In contrast, allosteric inhibition occurs when a molecule binds to a site on the enzyme other than the active site, causing a conformational change that reduces the enzyme's activity. While competitive inhibition directly competes with the substrate for the active site, allosteric inhibition involves binding to a different site on the enzyme to regulate its activity.
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What is allosteric inhibition?
Allosteric inhibition is a type of enzyme regulation where a molecule binds to a site on the enzyme that is different from the active site, causing a conformational change in the enzyme's structure. This change reduces the enzyme's activity and ability to bind to its substrate, ultimately inhibiting its function. Allosteric inhibition is a reversible process and can be used to regulate enzyme activity in response to changing cellular conditions.
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LAB Caloblock 120 grains Sugars Absorption inhibition Sugars 1 set
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Gender Differences in Technology and Innovation Management : Insights from Experimental Research
Even though the number of working women has steadily increased over the last few years, women are still significantly under-represented in STEM activities (i.e. mathematics, informatics, science and technology). In order to eliminate this under-representation, numerous education policies and corporate initiatives, particularly in the recent past, have been aimed at increasing women's enthusiasm for STEM activities and professions.According to the latest surveys, however, it is clear that these efforts have not yet led to the desired success.Compared to their male counterparts, women continue to do fewer STEM activities. One possible reason for this is that relatively little is yet known about the concrete impact of the above education policies on working with innovation and technology: What are the gender differences between women and men?Is it enough to recognize these differences, or should these differences ideally not only be recognized, but also treated appropriately or even encouraged? This anthology deals with current topics in technology and innovation management against the background of these and other gender-relevant aspects.Empirical analyses and experiments in collaboration with companies from various sectors provide a sound scientific basis on which new results and findings are presented: How do women and men deal with creativity and competition?How are technologies applied and how can differences in access to technology be deduced? Answers to these and other questions help decision-makers in politics and business to proactively use the differences between women and men to motivate women to work in the STEM field and to strengthen them by acknowledging existing differences.
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Makerspaces, Innovation and Science Education : How, Why, and What For?
This book provides an overview to a range of theories in science and technology that inform the different ways in which makerspaces can be educative.Makerspaces are an indispensable site for science, technology, engineering, and mathematics (STEM) instruction and pose novel risks and opportunities for STEM instruction.Educators are likely to reach towards activities that have a high degree of engagement, but this might result in observations like 'it looks like fun, but what are they learning?'. Beginning from the question of how we know what we know in science, the author asserts that understanding scientific knowledge requires us to know more than the abstract concepts typically presented in schools.The social and material aspects of knowledge are also important—these take the form of questions such as: What is the interplay between knowledge and power?How do we understand that we can have a ‘feel’ for materials and artefacts that we cannot completely describe in words?How do we know what ideas ought to be made real though technology and engineering?Significantly, this book also discusses the ethical dimensions of STEM education, in thinking about the kinds of STEM education that could be useful for open futures. This book will be useful to graduate students and educators seeking an expansive view of STEM education.More generally, these ideas outline a possible new strategy for a vision of school that is not merely training or preparing students for work.Education needs to also prepare students for sociopolitical participation, and with STEM being central to our contemporary lives, this book provides insights for how this can happen in makerspaces.
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Non-competitive inhibition, right?
Non-competitive inhibition is a type of enzyme inhibition where the inhibitor binds to a site on the enzyme that is not the active site. This binding causes a conformational change in the enzyme, making it less effective at catalyzing the reaction. Non-competitive inhibitors do not compete with the substrate for binding to the enzyme. Instead, they can bind to the enzyme-substrate complex or to a separate allosteric site on the enzyme.
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Is allosteric inhibition irreversible?
Allosteric inhibition is typically reversible, meaning that the inhibitor can bind to the allosteric site and block the activity of the enzyme, but can also dissociate from the site, allowing the enzyme to regain its activity. This is in contrast to irreversible inhibition, where the inhibitor forms a covalent bond with the enzyme, permanently inactivating it.
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What is the difference between allosteric inhibition and competitive inhibition in biology?
Allosteric inhibition occurs when a molecule binds to an allosteric site on an enzyme, causing a conformational change that reduces the enzyme's activity. This type of inhibition is non-competitive and can affect multiple enzymes in a metabolic pathway. On the other hand, competitive inhibition occurs when a molecule competes with the substrate for the active site of the enzyme, effectively blocking the substrate from binding and reducing the enzyme's activity. Competitive inhibition can be overcome by increasing the concentration of the substrate, while allosteric inhibition cannot be overcome in the same way.
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What is the difference between non-competitive inhibition and allosteric inhibition in biochemistry?
Non-competitive inhibition occurs when an inhibitor binds to an enzyme at a site other than the active site, causing a conformational change in the enzyme that reduces its activity. This type of inhibition does not compete with the substrate for binding to the active site. On the other hand, allosteric inhibition occurs when an inhibitor binds to an allosteric site on the enzyme, causing a conformational change that reduces the enzyme's activity. Allosteric inhibition can be reversible or irreversible, and it can be overcome by increasing the concentration of the substrate.
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