Evolution

In this episode, we will discuss the alveoli in the circulatory system.Alveoli are microscopic air sacs within the lungs where the crucial exchange of oxygen and carbon dioxide occurs between air and blood through diffusion. Their structure is highly adapted for this vital proces ...  Show more

In this episode, we look at transportation in cells. We will explain how substances move into and out of cells, highlighting three key mechanisms. Diffusion is described as the movement of particles from high to low concentration areas. Osmosis is presented as a specific type of ...  Show more

Modeling evolutionary processes goes way beyond the Hardy-Weinberg Equilibrium we all learned in biology class. Natural selection comes from many sources like resources availability, mate preferences, competition. Modeling entire populations of organisms of different species is t ...  Show more

Evolution is sometimes described -- not precisely, but with some justification -- as being about the "survival of the fittest." But that idea doesn't work unless there is some way for one generation to pass down information about how best to survive. We now ...

"A landmark work in the field of biology and evolution" 👉 For more insights, check out the full book here 📖 Transcript and written book summary available here for free 🗒️ Author: Richard Dawkins Category: Science 

The MCAT Basics Podcast begins a new series on Metabolism, and in today's episode, Alex Starks talks about Glycolysis. The series covers the chemistry, biochemistry, and biology of glucose metabolism and how this high-yield MCAT topic can be tested on the AAMC MCAT Exam. [00:55] ...  Show more