PreparED Study Materials
BIOL 121: Biology of Organisms 1
School: University of Louisiana at Lafayette
Number of Notes and Study Guides Available: 4
Notes
Study Guides
Videos
Unraveling the Shared Anatomical Secrets of Vertebrates and Tunicates
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Explore the fascinating world of vertebrates and tunicates in this video answer. Learn about their shared anatomical features including notochords and dorsal hollow nerve cords that reveal their closely linked evolutionary history
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.
Balancing Act: How Negative Feedback Loops Maintain Harmony
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Discover the concept of negative feedback loops in biological systems, where balance is maintained by counteracting changes. Explore the four key components: Stimulus, Sensor, Control Center, and Effector, through examples like blood sugar regulation. Uncover how these loops play a crucial role in keeping our body systems in harmony.
Facultatively Anaerobic Cells: Mastering Growth in Any Oxygen Environm
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Learn about the unique adaptability of facultatively anaerobic cells in different oxygen conditions. Discover the outcome of an experiment comparing their growth in aerobic and anaerobic environments. Grasp the resilience of these cells and their growth mechanisms.
First Video In Our Three Part Series for Midterms
Unraveling Genetics: Mendel's Legacy to Modern Complexity
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This video traces the evolution of genetic understanding, beginning with Mendel's foundational pea plant experiments, which birthed basic inheritance laws. It delves into complexities like co-dominance, incomplete dominance, and polygenic inheritance. Highlighting the integral role of DNA, it explains its structure and replication, shedding light on mutations. The narrative underscores the interplay of genes with the environment, introducing epigenetics and the myriad ways genes express, shaping
Temporal Summation in Neurons: Mechanisms and Neurobiological Implicat
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Discover the mechanism of temporal summation in neurobiology. Understand the role of presynaptic and postsynaptic neurons in this process. Dive deep into the distinct mechanisms and their relevance in the nervous system.