BIOL 144: BIOL 144

Discover the pivotal genetic change behind the evolution of tetrapod limbs, focusing on a specific shift in the Hox gene expression. Unravel the significance of this change and its role in the spatial organization of body parts.

Discover the science behind thermoregulation, focusing on endotherms and ectotherms. Understand how internal metabolic processes distinguish endotherms, while ectotherms rely on environmental factors. Highlighting the adaptations each group has evolved to thrive in their habitats.

This data-driven video examines the difference in nucleotide replication rates between prokaryotes and eukaryotes, providing insights into the factors affecting their speed. It concludes that prokaryotes outpace eukaryotes, replicating nucleotides approximately ten times faster, and explores the contributing factors behind this difference.

Explore the differences in DNA, RNA, and protein synthesis between eukaryotic and prokaryotic cells. Understand the benefits of separation in eukaryotes and the efficiency of proximity in prokaryotes. Both systems reveal the ingenious ways cells adapt to their needs.

Discover the properties and significance of methane (CH4), from its atomic structure to its pivotal role in industry and the environment. Uncover how carbon and hydrogen atoms form covalent bonds, making methane a key component of natural gas.

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.