PreparED Study Materials
Study Guides
Videos
Oparin's Heterotroph Hypothesis: Origins of First Organisms
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the groundbreaking heterotroph hypothesis by Alexander Oparin. This video outlines how the first organisms likely consumed pre-existing organic matter reshaping how we think about the origins of life and evolution
Silkworm Moths: Sensing Molecules, Hypothesis & Design
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the sensory marvels of the male silkworm moth known as Bombyx mori and how they detect specific chemical signals from females. Uncover a hypothesis about the unique sensitivity of the moth's antennae and a prediction stemming from it. Learn how to design an experiment to test this hypothesis and deepen your understanding of insect behavior.
Decoding Muscle Cells: The Crucial Role of Sarcomeres Explained
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the precise organization of thin and thick filaments in muscle cells as we debunk misconceptions and highlight the vital role of sarcomeres in muscle contraction.
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.
Unlocking Bioremediation: How Microbes Help Nature Clean Itself
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Learn how bioremediation works to treat contaminated environments and how microbes can help clean up pollutants. We evaluate multiple scenarios zeroing in on oil-degrading bacteria as a prime example of the process.
First Video In Our Three Part Series for Midterms
Intro to Biology: Cell Structure, Function & Evolution Unraveled
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the intricate world of cells, from the simplicity of prokaryotes to the advanced complexity of eukaryotes. Dive into cell structures and their functions, revealing the evolutionary journey of cellular design. Understand key processes like mitosis, meiosis, and the cell cycle, and how they underpin life itself. This video offers a captivating look at the marvels of cellular evolution, providing clarity on their roles in sustaining and diversifying life on Earth.











