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Saqib, Abdul A. N.; Siddiqui, Khawar S. – Biochemistry and Molecular Biology Education, 2018
Determination of thermostability of enzymes is of prime importance for their successful industrial applications and, yet, the published data has often been incompletely analyzed to assess the suitability of enzymes. It is possible to determine meaningful thermostability parameters from the routinely acquired data through a straightforward method…
Descriptors: Scientific Concepts, Biochemistry, Molecular Biology, Thermodynamics
Papaneophytou, Christos – Biochemistry and Molecular Biology Education, 2020
This article describes a straightforward approach to deliver an enzyme assay and kinetics laboratory via online delivery methods in the time of COVID-19.
Descriptors: Biochemistry, Kinetics, Science Laboratories, Laboratory Experiments
Bolay, Austin L.; Hiester, William; Davis, Nicole Y.; Weiland, Mitch H. – Journal of Chemical Education, 2020
Polymers are ubiquitous and essential to modern society, which is why the American Chemical Society has mandated inclusion of polymer chemistry in the undergraduate curriculum. To meet this requirement, we have chosen to weave a polymeric theme through multiple laboratory courses beginning with organic chemistry, where students use aspartic acid…
Descriptors: Science Instruction, Chemistry, Plastics, Science Experiments
Ramos-de-la-Peña, Ana Mayela; Mercado-Valenzo, Oscar Mario; Clorio-Carrillo, Jorge Abraham; López-Incio, Jazmin Dessiret; Monroy-Borrego, Andrea Gabriela; Marrero-Bretado, Mariana Monserrat; González-Valdez, José; Aguilar, Oscar – Biochemistry and Molecular Biology Education, 2021
A laboratory exercise for undergraduate advanced students of enzymology and biocatalysis is presented. Since enzyme assays can be quenched or continuous, this experiment compares the performance of two quenching agents for lactase, in a continuous setup. Enzymatic activity of [beta]-galactosidase ("Aspergillus oryzae") was determined…
Descriptors: Science Activities, Undergraduate Students, Advanced Courses, College Science
Stefanidis, Lazaros; Scinto, Krystal V.; Strada, Monica I.; Alper, Benjamin J. – Journal of Chemical Education, 2018
Most biochemical transformations involve more than one substrate. Bisubstrate enzymes catalyze multiple chemical reactions in living systems and include members of the transferase, oxidoreductase, and ligase enzyme classes. Working knowledge of bisubstrate enzyme kinetic models is thus of clear importance to the practicing biochemist. However,…
Descriptors: Introductory Courses, Kinetics, Biochemistry, Models
Stanga, John P.; Nash, Troy R.; Pannell, Megan D. – American Biology Teacher, 2023
Concepts relating to enzymes and energy are central to understanding chemical and biological processes at the molecular level. Student learning of these crosscutting concepts can be challenging, so it is important to identify misconceptions and remediate them early, especially in introductory classes. Here we describe an activity in which…
Descriptors: Hands on Science, Kinetics, Thermodynamics, Biology
Florjanczyk, Ursula; Ng, Derek P.; Andreopoulos, Stavroula; Jenkinson, Jodie – Biochemistry and Molecular Biology Education, 2018
The mathematical models that describe enzyme kinetics are invaluable predictive tools in numerous scientific fields. However, the daunting mathematical language used to describe kinetic behavior can be confusing for life science students; they often struggle to conceptualize and relate the mathematical representations to the molecular phenomena…
Descriptors: Undergraduate Students, Science Instruction, College Science, Animation
Putica, Katarina B. – Research in Science Education, 2023
Previous studies noted the scantiness of diagnostic instruments for the assessment of students' understanding of fundamental biochemistry concepts. Consequently, within this study, a four-tier test for the examination of secondary school students' conceptual understanding of amino acids, proteins, and enzymes has been developed. Items in the test…
Descriptors: Test Construction, Test Validity, Secondary School Students, Science Tests
Gu, Jerry; Andreopoulos, Stavroula; Jenkinson, Jodie; Ng, Derek P. – Biochemistry and Molecular Biology Education, 2020
Enzyme kinetics is the study of enzymatic catalytic rates in biochemical reactions. This topic is commonly taught to life science students in introductory biochemistry courses during their undergraduate education. Unlike most other biochemistry topics, which focus on visual structures of biomolecules and their processes, enzyme kinetics is…
Descriptors: Biochemistry, Science Instruction, Undergraduate Students, Web Based Instruction
Rodriguez, Jon-Marc G.; Towns, Marcy H. – Journal of Chemical Education, 2019
Analogies are useful tools instructors can use to help make challenging concepts less abstract by drawing connections to familiar contexts. In this paper we provide an overview of the various analogies published in the education literature that are situated in the context of enzyme kinetics, including narrative-based analogies (analogies intended…
Descriptors: Biochemistry, Kinetics, Science Instruction, Teaching Methods
Sedky, Nada K.; Arafa, Reem K. – Biochemistry and Molecular Biology Education, 2022
Nowadays, novel Biochemistry lab techniques are being introduced at a very fast pace in scientific research. This requires development of new labs for undergraduate Biochemistry courses to equip the students with up-to-date techniques. However, the time limit of Biochemistry labs for undergraduate students represents a major obstacle. This article…
Descriptors: Biochemistry, Science Instruction, Undergraduate Study, College Science
Kin, Ng Hong; Ling, Tan Aik – Teaching Science, 2016
The concept of specificity of enzyme action can potentially be abstract for some students as they fail to appreciate how the three-dimensional configuration of enzymes and the active sites confer perfect fit for specific substrates. In science text books, the specificity of enzyme-substrate binding is typically likened to the action of a lock and…
Descriptors: Science Instruction, Scientific Concepts, Teaching Methods, Models
Chaari, Ali; Al-Ali, Dana; Roach, James – Biochemistry and Molecular Biology Education, 2020
Enzyme purification, characterization, and identification are some of the best ways to introduce undergraduate students to many aspects of biochemistry, particularly as part of project-based learning (PBL). These kinds of multi-step laboratory experiments not only help students to better understand basic biochemistry concepts but also serve to…
Descriptors: Science Instruction, College Science, Scientific Concepts, Student Projects
Monteiro, L. H. A. – International Journal of Mathematical Education in Science and Technology, 2023
The process of turning a doctoral student into an independent researcher is usually guided by a professor. In this work, the supervisor-supervisee relationship is represented by a scheme inspired by Michaelis-Menten kinetics, which has been used to determine the rate of enzyme-catalysed reactions. Here, the time evolution of the number of…
Descriptors: Models, Kinetics, Equations (Mathematics), Chemistry
Arya, Aditya; Kumar, Amit – Biochemistry and Molecular Biology Education, 2019
A number of terms have been defined and inconsistently used across various texts in enzymology which may attract the attention of undergraduate students and instructors. At some places, inconsistent use results in confusions as well as leads to the misuse of these terms. Although it is difficult to resolve such inconsistencies, attempts have…
Descriptors: Biochemistry, Vocabulary, Textbooks, Problems