PreparED Study Materials
BIOL 121: Modern Biology
School: Carnegie Mellon University
Number of Notes and Study Guides Available: 2
Notes
Videos
Immune Overreactions: Understanding Hypersensitivity Types & Impact
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Explore the intricate workings of the immune system's overactive responses, known as hypersensitivity reactions. Learn about the classification into Types I, II, III, and briefly, IV, along with real-world examples. Uncover the mechanisms behind these reactions and their impact on our health.
Why Cancer Cells Remain Undifferentiated: Key Characteristics
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Explore the characteristics that distinguish normal cells from cancer cells in this informative video. Learn how normal cells perform specialized functions for overall health, while cancer cells grow uncontrollably. Discover why cancer cells lack differentiation, ignore reproduction control signals, and their connection to the absence of radical scavengers, all leading to their uncontrolled proliferation.
Skin's Vital Roles: From Thermoregulation to Sensory Perception Explai
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Explore the multifaceted roles of the skin, from protective barrier functions to sensory reception. Understand the distinction between the epidermal and dermal layers. Appreciate the comprehensive functionalities of the integumentary system.
Unmasking the ANS: Insights into Our Involuntary Body Controls
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Unravel the intricacies of the Autonomic Nervous System (ANS) and its pivotal role in controlling involuntary bodily functions. Differentiate between the sympathetic and parasympathetic systems and their unique contributions. Debunk misconceptions surrounding the ANS's characteristics.
Metanephridia vs. Nephrons: Earthworm & Mammal Waste Management
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This videos teaches the mechanisms behind waste elimination in earthworms and mammals. Learn how metanephridia in earthworms and nephrons in mammalian kidneys work differently to perform crucial functions. Clear up common misconceptions and deepen your understanding of these biological systems.
White Rami Communicantes: Unraveling Their Role in Nervous System Conn
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Explore the integral role of white rami communicantes within the autonomic nervous system. This video clarifies their function, anatomical location, and the specific nerve fibers they contain, highlighting their importance in our body's fight-or-flight response.