About This Chapter
Metabolic Biochemistry for High School - Chapter Summary
This chapter's lessons cover important concepts in metabolic biochemistry, such as cellular respiration and photosynthesis. You'll learn about the different types of cellular respiration and understand the importance of processes like the citric acid cycle and the glycolysis pathway. The chapter also goes over light and dark reactions of photosynthesis and will show you how chlorophyll absorbs light.
Each lesson comes with a short self-assessment quiz that's designed to help you reinforce your knowledge of important metabolic biochemistry terms and concepts. You can print the lesson transcripts to further review important definitions and our instructors are available to help you out if you have any questions. Quickly find the information you need to review with our convenient course Dashboard and interactive video timelines that immediately jump to specific topics. This chapter is accessible 24/7, and you can study on any computer or mobile device. These lesson will help you learn things like:
- How energy is transferred in cells
- The different types of cellular respiration
- How to define redox reactions and electron carriers
- Understanding the steps, products and importance of the glycolysis pathway, Krebs cycle and electron transport chain
- The differences between lactic acid and alcoholic fermentation
- How chlorophyll absorbs light energy
- What the products of photolysis and the light reactions are
- What the Calvin-Benson cycle does
1. Cellular Respiration: Energy Transfer in Cells
Watch this short video to learn the basics about converting organic compounds into ATP, also known as cellular respiration. We'll look at an overview of the process.
2. Types of Cellular Respiration
In this lesson, you'll learn about the basics of cellular respiration. You'll learn about the similarities and differences between aerobic and anaerobic respiration, which are the two main types of cellular respiration. Then, you can test yourself with a quiz.
3. Redox Reactions & Electron Carriers in Cellular Respiration: Definitions and Examples
Redox reactions play an important role in cellular respiration. In this lesson, you will see how NAD and FAD are used as electron carriers to temporarily store energy during cellular respiration.
4. Glycolysis Pathway: Steps, Products & Importance
Cellular respiration creates chemical energy in the form of ATP from the food we eat and the air we breathe. In this lesson, we'll learn about the first part of this process, glycolysis.
5. The Citric Acid (Krebs) Cycle: Products and Steps
In this lesson, we return to the process of cellular respiration for the second act of creating energy from food. In this act, products from glycolysis feed into the next stage, the citric acid cycle.
6. The Electron Transport Chain: Products and Steps
In this lesson, we'll learn about the finale of cellular respiration. The electron transport chain uses products from the first two acts of glycolysis and the citric acid cycle to complete the chemical reaction that turns our food into usable cellular energy.
7. Lactic Acid & Alcoholic Fermentation: Comparison, Contrast & Examples
When in an anaerobic environment, some cells can use glycolysis and fermentation to keep producing ATP. Lactic acid fermentation happens in our muscle cells when we are exercising feverishly, while alcoholic fermentation is used in yeast cells and is what leads to beer, bread, and wine.
8. Chlorophyll: Absorbing Light Energy for Photosynthesis
Plants are clean, green, photosynthesizing machines. Using a specialized pigment called chlorophyll, plants are able to soak up energy from the sun and turn it into food. In this lesson, we'll start to learn why chlorophyll literally gets excited about a sunny day!
9. Photolysis and the Light Reactions: Definitions, Steps, Reactants & Products
In this lesson, we'll learn how electrons get excited during the light-dependent reactions of photosynthesis, jumping off photosystem reaction centers like they were trampolines! In addition, we'll learn how the splitting of water creates reactants for this part of photosynthesis while creating a little fresh air for us.
10. Dark Reactions of Photosynthesis: The Calvin-Benson Cycle
Photosynthesis starts out using the energy from sunlight to get things started, but it ends with the dark reactions, which don't need sunshine to complete sugar production. In the Calvin cycle, ATP and NADPH from the light reactions are used to produce sugars.
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