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Cellular Respiration

What is cellular respiration? The process of releasing energy from food. Simple sugars, like glucose are broken down to release energy.
What does aerobic cellular respiration use and produce? Aerobic cellular respiration uses glucose and oxygen. It produces carbon-dioxide, water, and ATP.
What is ATP? ATP is a high energy molecule that provides energy to cell processes.
What are the 3 main stages of cellular respiration? Glycolysis, the Krebs Cycle, and the electron transport chain.
Explain glycolysis. What does it produce? One glucose molecule and two molecules of ATP are used. 2 pyruvate, 4 ATP, and 2 NADH molecules are made. (NADH is a high energy molecule that provides electrons to some cell processes.) It doesn't use oxygen.
What is a redox reaction? A redox reaction includes an electron acceptor (oxidizing agent) and an electron donor (reducing agent).
Where is pyruvate (made in glycosis) transported? It's transported into the mitochondria. There it is converted into acetyl CoA.
Acetyl CoA is used in the Krebs Cycle. Explain what these 8 chemical reactions produce? The Krebs cycle produces 1 ATP, 3 NADH, and 1 FADH2 molecules.
What do NADH and FADH2 do? NADH and FADH2 donate electrons to the electron transport chain.
Where is the electron transport chain found? The inner mitochondrial membrane.
What does aerobic respiration produce? Aerobic respiration of one molecule of glucose produces a total of 36 molecules of ATP.
What is the difference between aerobic and anaerobic respiration? Anaerobic respiration produces ATP without oxygen. Aerobic respiration uses oxygen and produces ATP.
In oxygen-poor environments, what respiration is used? Cells that live in oxygen-poor environments or are working under low-oxygen circumstances can use anaerobic respiration.
What is fermentation? Fermentation is one form of anaerobic ATP production. Only glycolysis takes place. The Krebs cycle/electron transport chain do not take place. It involves the conversion of pyruvate to a different molecule. Pyruvate may convert to ethanol or lactate.
What is the importance of photosynthesis and cellular respiration? Photosynthesis and cell respiration are two parts of a never-ending cycle, keeping the balance of carbon and oxygen in the atmosphere.
What types of organisms undergo photosynthesis? Organisms that undergo photosynthesis, such as plants, algae, and some types of bacteria, are autotrophs and producers
What is photosynthesis? The biological process by which most plants, some algae, and some bacteria produce organic compounds for their food from water and carbon dioxide using solar energy.
What does chlorophyll do? A green pigment found in photosynthetic organisms. Plants and other photosynthesizing organisms contain chlorophyll. When chlorophyll absorbs light, it absorbs the energy contained within it.
How does photosynthesis begin? Photosynthesis begins with water and carbon dioxide, which is converted to carbohydrates in the form of simple sugars and oxygen.
What's the chemical equation for photosynthesis? 6 CO2 + 6 H2O → C6H12O6 + 6 O2.
Where does photosynthesis take place? The thylakoids of chloroplasts.
What is the calvin cycle? The Calvin cycle removes carbon dioxide from the environment and uses it to produce sugars rich in energy.
Created by: JustEmma
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