PreparED Study Materials
BISC 2220: Developmental Neurobiology
School: George Washington University
Number of Notes and Study Guides Available: 0
Videos
Testing the Nature of a Mysterious Woodland Substance
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
We explore how to determine the nature of a mysterious, gelatinous substance found on a forest rock. By conducting a series of tests, including microscopy, DNA staining, respiration observation, and growth experiments, we aim to unravel whether this enigmatic material is alive, inanimate, or a product of a living organism.
Vertebrae 101: Unpacking the Cervical, Thoracic & Lumbar Spinal Struct
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Get acquainted with the intricate details of the vertebrae, from typical structure components to the unique traits of cervical, thoracic, and lumbar vertebrae. Enhance your grasp of the spinal column's sophistication and importance in human anatomy.
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:
full solution
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.
Survival Struggles: Cowbird Intrusion in Chipping Sparrow Nest
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the complex dynamics of bird behavior in a serene North American forest setting. Witness the challenges faced by a diligent chipping sparrow as it tends to its nest, while an intruder lurks nearby. Delve into the fascinating world of symbiotic relationships in the animal kingdom and the impact they have on wildlife survival.
Deciphering hPL: Its Role in Preparing the Breasts for Lactation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the role of human placental lactogen (hPL) in this informative video. Learn how hPL prepares the breasts for lactation, debunking other hypotheses about its functions in nourishing the placenta or regulating the menstrual cycle. Discover the primary function of this remarkable placental hormone.
Bacterial Genetic Variation: Meiosis Excluded from the Equation
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the world of microbiology in this video as we investigate the processes that lead to genetic variation in bacterial populations. Learn about transduction, transformation, conjugation, and mutation, and discover why meiosis, a process occurring in sexually reproducing organisms, is not a source of genetic variation in bacteria.

