PreparED Study Materials
BIOL 230: Biology: Molecules and Cells
School: Pennsylvania State University
Number of Notes and Study Guides Available: 18
Notes
Videos
Bone Marking for Nutrient Foramen: Hole, Facet, Canal?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the structure of bones and the key role of the nutrient foramen a small but vital hole. This video will help you understand why this marking is essential for bone health. Discover the answer to what kind of bone marking the nutrient foramen forms
Table Salt Explored: Sodium & Chloride's Unique Properties
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Discover the fascinating science behind table salt's unique characteristics that arise from the bond between sodium and chloride atoms. Explore topics like its unique taste, solubility in water, and ability to conduct electricity. Learn how the combination of sodium and chloride creates properties neither element possesses on its own.
Understanding Spirillum: Differentiating from Spirochetes in Bacterial
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the world of Spirillum bacteria, their spiral shape, and their distinct features. Contrast them with Spirochetes, highlighting differences in flagella and structure. Understand key characteristics that set Spirillum apart from other bacteria.
Understanding Nucleic Acids: Nucleotides & Their Roles
Want To Learn More? To watch the entire video and ALL of the videos in the series:
Explore the intricacies of nucleic acids, the macromolecules essential to life. Understand the roles of DNA and RNA, and delve into the structure of nucleotides—the fundamental building blocks of these crucial biomolecules.
Is learning always superior to instinct?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
This video explores the distinction between innate and learned behaviors in animals. Innate behaviors are inborn and instinctive, while learned behaviors develop through experiences and observations, allowing animals to adapt to their environment and enhance their chances of survival.
Endotherms vs. Ectotherms: How Animals Regulate Their Body Temperature
Want To Learn More? To watch the entire video and ALL of the videos in the series:
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.