BIOL 1100: Introduction to Biology

Explore the indispensable role of decomposers in ecosystems. Understand their impact on nutrient cycling, energy flow, and ecological balance. Realize what Earth would face without these vital organisms.

Explore the intricate eukaryotic cell structure, from the protective plasma membrane to the vital organelles. Learn how DNA, ribosomes, and the cytoskeleton play pivotal roles in cellular function. Dive deep into the world of mitochondria, ER, and the Golgi apparatus.

Discover the role and location of Langerhans cells key components of the human immune system found in the skin. Learn about the different layers of the skin and where these cells predominantly reside. By the end of the video you'll know that Langerhans cells are mainly found in the Stratum Spinosum layer

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.

Venture into the intricate mechanisms of a eukaryotic cell as we clarify the conditions under which transcription begins. Discover the pivotal role of the promoter and the essential docking of transcription factors.

Learn the distinctions between dispersal and vicariance in biology. Understand how organisms' movements and environmental changes play crucial roles in allopatric speciation. Grasp the differences between movement across existing barriers and the creation of new barriers.