PreparED Study Materials
BIOL 3905: Evolutionary Biology
School: Saint Louis University
Number of Notes and Study Guides Available: 0
Videos
Master the Symbols & Meanings in Pedigrees: A Guide to Genetic History
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Unlock the language of genetic history with our guide to understanding pedigrees and their symbols. Learn how to interpret squares circles and lines to track inheritance patterns for traits and diseases.
Cell Specialization Origins: Ectoderm, Mesoderm & Endoderm Roles
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Discover the origins of specialized cells in embryonic development and learn about the three essential germ layers: ectoderm, mesoderm, and endoderm. Explore how these layers form the foundation for all multicellular life.
Neurotransmitter Receptors: Unraveling their True Location
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Explore the pivotal role of neurotransmitter receptors in neuron communication. This video debunks misconceptions about their locations and highlights the integral part they play in transmitting signals between neurons. Discover why the postsynaptic membrane is the key player in this intricate dance of cellular messaging.
Atoms Unveiled: The Building Blocks of Matter
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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
DNA Replication Explained: Climbing the Double-Helix Staircase
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Explore the world of DNA replication by comparing it to climbing a staircase. Understand the roles of leading and lagging strands, and discover the importance of DNA Polymerase III in this intricate process.
Non-Analogous Stains: Nigrosin vs. Crystal Violet & Beyond
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Uncover the nuances of stain functionality in microbiology with a focus on identifying non-functionally analogous pairs. This video provides an in-depth comparison of commonly used stains like Nigrosin Malachite Green and Crystal Violet.

















