PreparED Study Materials
Notes
Videos
DNA Ligase: Key to Joining Okazaki Fragments in Replication
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Discover the role of Okazaki fragments in DNA replication and the importance of DNA Ligase in ensuring their correct joining. Learn how a malfunction in this enzyme might disrupt the formation of continuous DNA strands on the lagging strand.
Cyanide's Effect: Where It Halts ATP Production in Cells
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Explore the lethal impact of cyanide on cellular organelles particularly its devastating effect on mitochondria. Our video sheds light on how cyanide halts ATP production bringing cellular functions to a standstill. Ideal for students and educators seeking a comprehensive view of toxicology and cellular biology.
Understanding Mammalian Heart: Blood Flow and Oxygenation
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Learn about the path of blood flow in the mammalian heart and circulatory system. Discover how oxygen-rich blood from the lungs enters the left atrium and understand why other statements about blood flow are incorrect.
Haemoglobin Explained: Dissecting Its Structure & Oxygen Binding Capab
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Dive into the biochemistry of haemoglobin, a pivotal protein in red blood cells. We assess key statements about its structure and function, clarifying common misconceptions.
Cardiac vs Skeletal Muscles: Deciphering Key Structural Differences
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Dive into the structural and functional differences between cardiac and skeletal muscles. Discover unique features, like intercalated discs and neuromuscular junctions, that set them apart. Understand the similarities and distinctions to answer a quiz question effectively.
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.