Grade 10 MYP Biology Students Shine with Innovative Enzyme Experiments
In an impressive display of scientific inquiry, Grade 10 MYP Biology students have recently completed a series of fascinating experiments focusing on the action of enzymes, a fundamental topic in biological studies. This task marked the culmination of their experimental skills development in the Middle Years Programme (MYP) and provided a platform for each student to conduct their own unique investigation.
The objective set for the students was to design and carry out an experiment investigating the mode of action of one of several key enzymes: catalase, pepsin, trypsin, lipase, or amylase. With a variety of options available, students had the freedom to choose their enzyme of interest and explore deeper into its biochemical mechanisms.
A significant number of students chose to explore the enzyme catalase, which plays a crucial role in catalysing the breakdown of hydrogen peroxide into water and oxygen, a vital reaction that prevents cellular damage. Each student selected a different source of catalase, including yeast, potatoes, liver, and other innovative materials, to compare its effectiveness in speeding up the reaction.
The students meticulously measured the rate of oxygen production as a marker of enzyme activity, under various conditions to understand the enzyme's efficiency at different temperatures and pH levels.
Another notable experiment focused on liver as a source of catalase. This project explored how different concentrations of hydrogen peroxide affect the rate of breakdown, providing insights into the enzyme's behaviour in different substrate concentrations, an essential aspect of enzyme kinetics.
Students who explored other enzymes, such as pepsin and amylase, designed experiments to observe the digestion of proteins and starch, respectively. These experiments not only reinforced the students' understanding of enzymatic activity but also highlighted the practical applications of enzymes in biological systems.
The success of these experiments is a testament to the rigorous scientific training provided by the MYP Science curriculum. Both teachers and technicians are immensely proud of the creativity, dedication, and scientific acumen displayed by the students. This project not only enhanced their understanding of biochemical processes but also equipped them with critical thinking and analytical skills that are essential for their future academic and career pursuits.
As these young scientists continue to build on the strong foundation laid by their MYP experiences, the future of scientific innovation looks bright. The school community eagerly anticipates the continued achievements of these promising students in the world of science.
Ms. Vici McKnight
