PreparED Study Materials
BTRY 1140: Foundations of Biology
School: Cornell University
Number of Notes and Study Guides Available: 0
Videos
Charged Electroscope: Conductor Between Foils' Impact
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Explore the fascinating interaction between electrical energy charge and materials through the lens of an electroscope. Discover how inserting a conductor between its charged foil sheets changes the charge dynamics leading to an attraction between foil and needle. Understand the roles of conductors insulators and charge induction in this intriguing experiment.
Adapting to Extreme Cold: The Science of Shivering & Homeostasis
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Discover the body's innate ability to adapt to extreme cold conditions. Learn how the brain orchestrates warming responses like shivering. Grasp the concept of homeostasis in maintaining internal stability.
Shared Genes: Why Humans & Prokaryotes Share 1000?
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Explore the fascinating intersection of human and prokaryotic genetics revealing that both contain about 1000 shared genes despite their complexity difference. The video explains how this common genetic heritage can be traced back to a universal ancestor covering the essential functions these genes perform like metabolism and DNA replication.
Chromosomal Contrast: Eukaryotic vs. Prokaryotic Genetic Architectures
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Explore the distinct differences between eukaryotic and prokaryotic chromosomes. Understand their structures, organization, size, and cellular locations. Grasp how these genetic units underscore life's incredible diversity.
ATP Creation: Comparing Oxidative & Photophosphorylation Mechanisms
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Explore the intricacies of oxidative phosphorylation and photophosphorylation in ATP production. Delve into chemiosmosis, the electron transport chain, and the pivotal role of ATP synthase. Uncover the similarities and contrasts between these cellular energy-generating processes.
DNA Polymerase: The Builder of DNA Strands
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Explore the crucial role of DNA polymerase in the DNA replication process. Understand its function in synthesizing new DNA strands. Dissect common misconceptions about this vital enzyme.
