PreparED Study Materials
Notes
Videos
Atoms Unveiled: The Building Blocks of Matter
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the intricate architecture of atoms, the fundamental units of matter. Highlighting the roles of electrons, protons, and neutrons, learn how they create the characteristic structure of atoms. This knowledge reveals the essence of the material world
Element's Properties: The Defining Role of Protons
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore what makes each element unique by focusing on the atomic components: protons neutrons and electrons. Learn why the number of protons known as the atomic number is the defining characteristic for each element's properties. Understand how protons set elements apart even as neutrons and electrons also play important roles.
Pharyngeal Slits: The Feeding Marvel in Lancelets and Tunicates
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the vital roles of pharyngeal slits in lancelets and tunicates. Learn how these clefts aid in filter-feeding, capturing food particles, and evolve through different life stages.
Bacterial Genetic Variation: Meiosis Excluded from the Equation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the world of microbiology in this video as we investigate the processes that lead to genetic variation in bacterial populations. Learn about transduction, transformation, conjugation, and mutation, and discover why meiosis, a process occurring in sexually reproducing organisms, is not a source of genetic variation in bacteria.
Dispersal vs. Vicariance: Allopatric Speciation Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn the distinctions between dispersal and vicariance in biology. Understand how organisms' movements and environmental changes play crucial roles in allopatric speciation. Grasp the differences between movement across existing barriers and the creation of new barriers.
Decoding Systems Biology: The Quest for Biological Insights
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the multifaceted world of Systems Biology and the validity of different theories. Learn how Systems Biology goes beyond genomics to understand complex biological systems through interactions among their components. Uncover the essence of this field in understanding the symphony of life.









