PreparED Study Materials
Videos
DNA Polymerase: The Builder of DNA Strands
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the crucial role of DNA polymerase in the DNA replication process. Understand its function in synthesizing new DNA strands. Dissect common misconceptions about this vital enzyme.
Stromatolites: Earth's Ancient Sentinels and Clues to Early Microbial
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore stromatolites, the oldest indicators of life on Earth formed by microbial actions. Understand their presence in shallow marine environments and their connection to early eukaryotic life.
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.
Haemoglobin Explained: Dissecting Its Structure & Oxygen Binding Capab
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
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.
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.
Insect Herbivory: Evolution and Impact on Speciation and Diversity
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the evolution of plant-eating habits in insects, the links between moths, butterflies, caddisflies, flies, and fleas. Explore the hypothesis of how herbivory could influence speciation and diversity within the insect kingdom.



















