Cellular Respiration: Full Review

This quiz is a full review of the cellular respiration including Cellular Respiration Overview & Glycolysis, Anaerobic Fermentation, Krebs Cycle & Electron Transport Chain, and Fats/Proteins

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QUESTION OF
Views #: 2
Questions #: 14
Time: 15 minutes
Pass Score: 80.0%
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Naming the Energy-Releasing Process

1 pts
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Fats, proteins, and carbohydrates are reservoirs of energy that, through a series of chemical reactions, become available to the cells. What is this overall series of reactions called?

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Where Most Respiratory Steps Occur

1 pts
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In eukaryotic cells, all the respiratory steps except for glycolysis occur within the:

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Where Glycolysis Takes Place

1 pts
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Glycolysis occurs in the:

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Naming the Oxygen-Free Energy Process

1 pts
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Many cells, particularly those in plants and in some microorganisms, can obtain energy without oxygen by the anaerobic process of:

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Efficiency of Aerobic vs. Anaerobic Pathways

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Organisms that use glycolysis together with aerobic respiration produce how much more energy than anaerobic species breaking down the same food?

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Where Aerobic Respiration of Pyruvate Occurs

1 pts
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The aerobic respiration of pyruvate occurs within the:

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Naming the Cycle That Breaks Down Acetate

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With the aid of a complex of enzymes found in the mitochondrial matrix, acetate is broken down through a long series of chemical reactions known as:

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Key Byproducts of the Krebs Cycle

2 pts

During the Krebs cycle, the most important byproducts are ATP and several hydrogen-carrier molecules, including (1) and some (2).

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pyruvate
lactate
NADH
FADH2
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Naming the Final Phase of Aerobic Respiration

1 pts
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In the final stage of glucose oxidation, high-energy electrons are passed in a controlled series of steps to lower-energy-level electron carriers, with a small amount of energy released at each step to form ATP. This phase of aerobic respiration is known as:

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Naming the Series of Electron Carriers

1 pts
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The NADH and FADH2 released during the Krebs cycle are transported to a series of electron carriers in the cristae of the mitochondria. What is this series of carriers called?

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Energy Yield of Protein Oxidation

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Feeding Fats and Proteins into Respiration Fats hydrolysis (+water) Glycerol Fatty acids โ†’ PGAL โ†’ Acetyl-CoA Proteins hydrolysis Amino acids deamination Glycolysis (PGAL) and Krebs cycle (acetyl-CoA, pyruvate) ATP + CO2 + H2O Fats yield about twice the energy of carbohydrates, gram for gram Proteins yield about the same energy as carbohydrates, gram for gram

Based on the diagram, gram for gram, the complete oxidation of protein yields about how much energy compared to carbohydrates?

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Removing the Amino Group

1 pts
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The hydrolysis of proteins through the removal of the amino group is one of several ways proteins may be metabolized; this method is known as:

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When Pyruvate Can Be Further Oxidized

1 pts

In the (1), the 3-carbon pyruvic acid molecules produced through glycolysis can be further oxidized.

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absence of oxygen
nucleus
presence of oxygen
ribonucleic acid
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Other Names for the Krebs Cycle

1 pts
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Pyruvate is transported to the mitochondrial matrix, where the 3-carbon compound is converted into 2-carbon acetate. With the aid of a complex of enzymes, the acetate begins a long series of chemical reactions, which is known by which of the following names?

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