PreparED Study Materials
BIOL 101: Biological Principles I
School: University of South Carolina
Number of Notes and Study Guides Available: 33
Notes
Study Guides
Videos
The Three-Domain System: Carl Woese's Life Classification
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
DNA Ligase: Key to Joining Okazaki Fragments in Replication
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.
Uncovering Food Chain Lengths: The Role of Energy Transfer Efficiency
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Unravel the mysteries of food chain lengths by analyzing various factors. We spotlight the 10% rule in ecology, emphasizing how energy transfer inefficiencies mold ecosystem structures and functions.
Unlocking Muscle Contraction: The Pivotal Role of Calcium & Other Elem
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricacies of muscle contraction and the pivotal role played by elements like Calcium, Sodium, Potassium, and Chloride. Learn how Calcium directly triggers contraction by interacting with troponin and actin filaments. A thorough breakdown of each element's unique contribution to our body's movement.
Unveiling the Key Differences Between Muscle and Nerve Cells
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover what sets muscle cells apart from nerve cells in the complex world of cellular biology. Our video zeroes in on gene expression explaining how it's the key difference between these two cell types. Equip yourself with the knowledge to better understand cellular function and diversity.
DNA Replication Explained: Climbing the Double-Helix Staircase
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the world of DNA replication by comparing it to climbing a staircase. Understand the roles of leading and lagging strands, and discover the importance of DNA Polymerase III in this intricate process.