BIOL 1110: Principles of Biology I

Unlock the world of pathogens, the microorganisms causing diseases. Grasp how they invade, colonize, and adversely affect host organisms. Learn about prevention strategies to mitigate their harmful impacts.

Uncover the fundamentals of human muscle contraction and anatomy in this lesson. Highlighting the distinct roles of muscle origin and insertion we clarify their functions in movement. Learn why the muscle origin is the cornerstone of stability during contraction anchoring our body mechanics.

Explore the definitions of tissue, organ, and organ system. Understand the distinctions and interconnectedness between these components. Get an overview of the human body's eleven major organ systems and their functions.

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 application of parsimony in constructing phylogenetic trees, emphasizing simplicity in scientific explanations and its relation to evolutionary changes. Learn about various options for tree construction and the core concept of choosing the most parsimonious representation

Discover how cholesterol, a substance found in our body and certain foods, significantly impacts cell membrane fluidity. Learn its varying effects under different temperatures and in diverse cellular lipid compositions. Uncover its indispensable role in nerve signal transmission and cellular health.