PreparED Study Materials
BIOL 1040: Principles of Biology I
School: Saint Louis University
Number of Notes and Study Guides Available: 4
Study Guides
Videos
Body's Use of Iodide Ions: Their Metabolic & Medical Roles
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the critical role iodide ions play in regulating metabolism through their involvement in thyroid hormones. Learn how active transport enables the movement of these ions in the body, requiring ATP energy. Uncover common sources of iodide ions and their importance in medical applications.
Photosynthesis Explained: Transforming Sunlight into Sugars in Plants
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unpack the intricate process of photosynthesis, revealing the two major stages within chloroplasts. Discover the vital roles of ATP and NADPH in the Calvin Cycle. Grasp the essence of how plants fuel life on Earth.
Parthenogenesis Unveiled: Egg Development Without Fertilization
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the wonders of parthenogenesis a form of asexual reproduction in our latest educational video. Understand how an egg cell can develop into an embryo without fertilization. Learn the key differences between parthenogenesis and other forms of asexual reproduction like budding and sequential hermaphroditism.
Oxygen's Role in Human Survival: Unveiling the Essence of Mammalian Li
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Discover the unique characteristics of the Mammalia class, with a focus on humans. Understand the critical role of molecular oxygen in our survival and the consequences of its absence. Learn how oxygen stands out among other vital factors like food, water, and nitrogen.
ATP's Role: Energy Storage, Catabolism Result, or Both?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Unlock the secrets of ATP's essential role in powering life's processes. Discover why ATP is a specialized molecule that stores energy for your cells. Learn how to differentiate between common misconceptions and the real function of ATP.
Invertebrate Evolution: Are Beetles Monophyletic?
Want To Learn More? To watch the entire video and ALL of the videos in the series:
full solution
Explore the Evolutionary History of Invertebrates: Are Beetles Related? Discover the intricate web of invertebrate evolution, dating back over 500 million years, and why beetles and their invertebrate counterparts do not share a common ancestry.





















