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Category: Cell Biology

Video: The Discovery of Cells – A View of the Cell

How in the world did we get to where we are today, in terms of our knowledge of cells? Well go ahead and watch this video, and you’ll see. In it, I talk about the History of the cell theory, starting all the way from the invention of the Microscope by the dutch scientist Anton van Leeuwenhoek. See how knowledge increased from that basic discovery to all the things we know today about the structure and function of the organelles inside the cell.

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Video: Atoms and Their Interactions – The Chemistry of Life

An element is a substance that cannot be broken down into smaller particles. Join me as I take you on a journey through the atom, looking at the protons, neutrons and Electrons. This journey then goes into topics like Chemical Reactions, Covalent and Ionic Bonds and the pH of different substances. By looking at the pH, we are able to determine if a substance is an acid or a base.

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003 What ATP is and HOW it works

In this Episode, I talk about what Adenosine Triphosphate (ATP) is and how it works. ATP is the energy currency of the body and it provides energy when the third phosphate detaches from the the rest of the molecule, leaving Adenosine Disphosphate (ADP) behind. Many of the processes that happen in the cell require energy, and ATP provides that much needed energy. It’s what makes it so that you can run, talk, play sports and even just relax with a love one in the park 🙂

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The Cellular Energy Game

Think you understand the concepts presented in Chapter 9: Energy of the cell? Prove it. However, while you are proving it, you might as well have some fun. I just made a Penalty Shootout game that tests your knowledge of ATP, Photosynthesis and Cellular Respiration in a fun and exciting way. This is the first of a series of games on different Biological topics. If you enjoy Biology and Soccer, you will LOVE this game 🙂

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Cellular Respiration in Yeast Lab

This lab explores the concepts of Cellular Respiration and Fermentation in yeast. Yeast do Alcoholic Fermentation and one of the byproducts is Carbon Dioxide. When you bake bread with yeast, Carbon dioxide is produced, which forms bubbles in the dough, causing the dough to rise. The heat kills the yeast and the bubble pockets lighten the bread.

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Video: Cellular Respiration

Cellular respiration is the process of taking Oxygen and Glucose and turning it into ATP, energy for the body. In this lecture, that is the topic I deal with. It’s important to understand this process in order to understand how the body functions, because in order to do everything you do, energy is needed. This is different from the process of Photosynthesis in Plants because, unlike plants, we cannot produce our own energy from the energy obtained from the Sun.

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Video: ATP – Energy of the Cell

In this lecture, I deal with the concept of Energy, which is the ability to do work. I talk about ATP and how it is the energy currency of the body and about how it works. I also deal with a few people who have contributed a lot to what we now understand about the function of ATP and how energy is produced and stored in the body. It is part Chapter 9 in the textbook Biology: The Dynamics of Life, which is the chapter on Energy of the Cell.

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Are You Premed?

Confused about the MCAT? Not sure how to prepare? This guide will show you how