BIOLOGY 303: Biology of Microorganisms

Explore the body's fight-or-flight response and its link to caffeine's effects. Learn how the interruption of cAMP phosphodiesterase leads to prolonged alertness and why caffeine can result in sleeplessness.

Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.

Explore the relationship between monomers and polymers, focusing on nucleic acids and their building blocks. This video clarifies the distinctions between various biological molecules and their basic units, emphasizing the critical role of nucleotides in nucleic acids.

Unravel the origins of blood cell types as we differentiate between myeloid and lymphoid stem cells, highlighting the unique lineage of platelets, B cells, and Natural Killer cells.

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.

Explore the essential role and composition of blood plasma in our body. Understand how water, as the main component, helps in maintaining vital functions. Learn the importance of plasma balance for overall health insights.