BIOL 1107: Principles of Biology I

Explore the pivotal role of enhancers in gene expression as we dissect their function and interaction with transcription factors. Gain insights into how they crucially influence the transcriptional control of genes.

Unravel the intricate process of hematopoiesis, the production of blood cells in our body. This video discusses various sites, including bone marrow and spongy bone, distinguishing between infants and adults in terms of blood cell generation.

Unpack the process of biological magnification in the food chain and learn why consuming foods from lower trophic levels minimizes toxin exposure. Grasp the implications of human-induced pollutants and the benefits of dietary diversity.

Discover what happens in your body after a hearty meal! Learn about the concept of 'distension' and how nerve cells act as messengers to your control center, orchestrating the digestive process.

Explore the spectrum of movement in joints, from immovable synarthrotic to freely movable diarthrotic. Understand how these classifications correspond to fibrous, cartilaginous, and synovial joint types.

Dive into the structural and functional differences between cardiac and skeletal muscles. Discover unique features, like intercalated discs and neuromuscular junctions, that set them apart. Understand the similarities and distinctions to answer a quiz question effectively.