PreparED Study Materials
BIOL 1130: Biology for Science Majors 3
School: East Tennessee State University
Number of Notes and Study Guides Available: 6
Notes
Study Guides
Videos
Why Flamingos Are Pink: The Role of Diet in Coloration
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Uncover why flamingos, genetically predisposed to white feathers, sport a pink hue. Dismissing influences like weather and DNA mutations, the mystery unravels with diet: the intake of carotenoids from their food which overrides their genetic blueprint
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.
Gymnosperms vs. Angiosperms: Dissecting Their Shared Traits & Differen
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Discover the distinctions and similarities between gymnosperms and angiosperms. Delve into their structural features, seed development processes, and pollen grain formation. Uncover why only angiosperms possess ovaries.
Exercise Types: Aerobic, Anaerobic & Non-Aerobic
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Explore the distinctions between aerobic, anaerobic, and non-aerobic exercises. Understand the energy mechanisms driving each type of exercise and their unique health benefits. From jogging and sprinting to golf, discover how each engages the body differently.
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.
The Three-Domain System: Carl Woese's Life Classification
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Explore the influential Three-Domain System of classification, introduced by Carl Woese in 1978. Discover how it categorizes life into Bacteria, Archaea, and Eukarya based on distinctive cellular structures. Learn about the characteristics of each domain, from prokaryotic Bacteria and Archaea to the rich diversity within Eukarya, encompassing Protists, Fungi, Plants, Animals, and the unique world of viruses.