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Chapter 9

Chapter 9 Review- Biology; Cellular Respiration

QuestionAnswer
a calorie (lower-case "c") is the amount of energy needed to raise: 1 gram of water by 1 degree Celsius
1 gram of glucose when burned in the presence of oxygen releases how many calories? 3811 calories
The Calorie (upper-case "C") used on food labels is equal to how many calories (lower-case "c") 1000
The first stage of cellular respiration is: Glycolysis
Glycolysis takes place where? cytoplasm
What is glycolysis? The breaking/splitting of glucose for energy
How many ATP are needed to start Glycolysis? 2 ATP
What are the 3 products of glycolysis? 2 ATP 2 NADH 2 Pyruvic Acid
Why do we say we only have a net-gain of 2 ATP from Glycolysis? Because 2 ATP is required to start the process of Glycolysis; even though 4 ATP are produced, we only gain 2 ATP.
Does Glycolysis produce a small or large amounts of energy? Small amounts of energy
What is the chemical equation for cellular respiration? C6H12O6 + 6O2 --> 6H2O + 6CO2 + Energy
When oxygen isn't present at the end of Glycolysis, what process happens? Fermentation
Aerobic means: Oxygen is present
Anaerobic means: Oxygen is not present
What kind of fermentation happens in yeasts? Alcoholic Fermentation
What kind of fermentation happens in humans? Lactic Acid Fermentation
What is the product of lactic acid fermentation? Lactic Acid
When does lactic acid fermentation occur in humans? When we are doing what? Rapid Exercise
How do you know lactic acid is being produced in your body? It burns
What are the products of alcoholic fermentation? Alcohol and CO2 (carbon dioxide)
How did you know carbon dioxide was produced from our fermentation lab? the balloon inflated with carbon dioxide
How did you know alcohol was produced from our fermentation lab? the smell of the test tube smelled like alcohol.
Where do the Krebs Cycle and the Electron Transport Chain take place? mitochondrion
Pyruvic acid moves into the mitochodria during the Krebs Cycle and is broken into what gas? Carbon Dioxide
Coenzyme A joins the 2 carbon molecule forming what during the Krebs Cycle acetyl-CoA
Acetyl-CoA joins other carbon compounds during the Krebs Cycle to form what kind of acid? Citric Acid
Citric acid is broken down during the Krebs Cycle releasing more carbon dioxide and electrons join NAD and FAD forming what? NADH and FADH2
How many ATP molecules are gained from the Krebs Cycle? 2 ATP
What process uses high-energy electrons formed in the Krebs Cycle to convert ADP to ATP? Electron Transport Chain
High energy electrons from NADH and FADH are passed along the electron transport chain from one __________ ____________ to the next. carrier protein
At the end of the electron transport chain, hydrogen and oxygen combine to form what? water
Many ATP molecules are produced when H+ ions move back across the membrane through the _____ ________________ causing it to spin. ATP Synthase
How many ATP is produced during the electron transport chain? 32 or 34 ATP
How many ATP is produced during cellular respiration 36 or 38 ATP
What is split during glycolysis? glucose molecule
Is Glycolysis aerobic or anaerobic? Aerobic
Is the Krebs Cycle Aerobic or anaerobic? Aerobic
What gas is produced during the Krebs Cycle? Carbon Dioxide
What energy carriers are made during the Krebs Cycle? NADH and FADH2
What are the 3 products of the Krebs Cycle (what is made?) 2 ATP 2FADH2 6NADH
What gases are used during the Electron Transport Chain? Hydrogen and Oxygen
What substance is made during the Electron Transport Chain? Water
Created by: mrs.bur10