Chapter 9

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What is the result in the first step of Glycolysis?

6-carbon sugar diphosphate and 2 adenosine diphosphates (ADP)

The oxidation of glucose to pyruvate occurs through a series of steps called what? A. Glycolysis B. Cellular Respiration C. Oxidative Phosphorylation D. Electron Transport Chain E. Photosynthesis

A

Choose the best answer: Which of the following chemical equations represents cellular respiration? A. Carbon dioxide plus light yields water & glucose (sugar) & ATP. B. Oxygen plus glucose (sugar) yields water & carbon dioxide & ATP. C. Glucose (sugar) plus water yields oxygen & light & ATP. D. Glucose (sugar) plus oxygen yields carbon dioxide & water & ATP. E. Carbon dioxide plus water yields glucose (sugar) & oxygen & ATP. F. Oxygen plus carbon dioxide yields water & glucose (sugar) & ATP. G. Carbon dioxide plus glucose (sugar) yields water & oxygen & ATP. H. Carbon dioxide plus oxygen yields glucose & water & ATP. I. Carbon dioxide plus ATP yields oxygen & glucose (sugar) & water.

B

What is the balanced equation for cellular respiration? A. CO₂ + H₂O ->light energy-> C₆H₁₂O₆ + O₂ B. 6CO₂ + 6H₂O ->light energy-> C₆H₁₂O₆ + 6O₂ C. 6O₂ +C₆H₁₂O₆ ->-> 6H₂O + 6CO₂ + ATP D. 6O₂ +C₆H₁₂O₆ ->-> 6H₂O + 6CO₂

C

What is the balanced equation for photosynthesis? A. 6O₂ +C₆H₁₂O₆ ->-> 6H₂O + 6CO₂ B. CO₂ + H₂O ->light energy-> C₆H₁₂O₆ + O₂ C. O₂ +C₆H₁₂O₆ ->-> H₂O + CO₂ + ATP D. 6CO₂ + 6H₂O ->light energy-> C₆H₁₂O₆ + 6O₂

D

Choose the best answer: Which of the following chemical equations represents photosynthesis? A. Carbon dioxide plus light yields water & glucose (sugar). B. Oxygen plus carbon dioxide yields water & glucose (sugar). C. Glucose (sugar) plus water yields oxygen & light. D. Glucose (sugar) plus oxygen yields carbon dioxide & water. E. Carbon dioxide plus water yields glucose (sugar) & oxygen. F. Oxygen plus carbon dioxide yields water & glucose (sugar) & ATP. G. Carbon dioxide plus glucose (sugar) yields water & oxygen & ATP. H. Carbon dioxide plus oxygen yields glucose & water & ATP. I. Carbon dioxide plus ATP yields oxygen & glucose (sugar) & water.

E

The initial reaction of the Citric Acid Cycle (Krebs Cycle) involves the addition of a ____ molecule to a ____ molecule. F. 2-carbon molecule to a 4-carbon molecule G. 2-carbon molecule to a 5-carbon molecule H. 2-carbon molecule to a 6-carbon molecule I. 3-carbon molecule to a 4-carbon molecule J. 3-carbon molecule to a 5-carbon molecule

F

Energy released from Glycolysis is used to form what? F. Glucose G. ATP H. Oxygen I. Water J. Carbon Dioxide

G

What are the initial steps in Glycolysis? F. the addition of a nitrogen and a carbon to a glucose molecule G. the subtraction of 2 carbons from a glucose molecule H. the addition of 2 phosphates to a glucose molecule I. the addition of a proton (H+) to a glucose molecule

H

A single "turn" of the Citric Acid Cycle (Krebs Cycle) will yield what? F. 2 ATP, 2 NADH, and 2 FADH2. G. 1 ATP, 2 NADH, and 2 FADH2. H. 2 ATP, 3 NADH, and 2 FADH2. I. 1 ATP, 3 NADH, and 1 FADH2. J. 1 ATP, 2 NADH, and 1 FADH2.

I

Before entering the Citric Acid Cycle (Krebs Cycle), pyruvate is converted to what? F. Glucose G. H2O and CO2 H. Acetic Acid I. Oxaloacetate J. Acetyl-CoA

J

Under anaerobic conditions, the end-product of glycolysis is converted to what? K. Lactic Acid L. Amino Acids M. CO2 and H2O N. Hydrochloric Acid O. Acetic Acid

K

A single "turn" of the Krebs cycle involves four different decarboxylation reactions. K. False L. True

K. False

The Citric Acid Cycle (Krebs Cycle) occurs in the mitochondrion. K. True L. False

K. True

The NET result of a single glycolysis run is the formation of K. 1 NADH and 1 ATP L. 2 NADH and 2 ATP M. 2 NADH and 4 ATP N. 4 NADH and 2 ATP O. 4 NADH and 4 ATP

L

The Citric Acid Cycle (Krebs Cycle) occurs in the chloroplast. K. True L. False

L. False

A single "turn" of the Krebs cycle involves two different decarboxylation reactions. K. False L. True

L. True

In glycolysis, glucose is converted to K. CO2 and H2O L. Acetyl CoA M. Pyruvate N. Citrate O. NAD+ and ADP

M

How does temperature affect the rate of cellular respiration? L. As temperature decreases, cellular respiration decreases down to a certain temperature and then there is a sharp incline as proteins are denatured. M. As temperature decreases, cellular respiration increases down to a certain temperature and then there is a sharp decline as proteins are denatured. N. As temperature increases, cellular respiration increases up to a certain temperature and then there is a sharp decline as proteins are denatured. O. As temperature increases, cellular respiration decreases up to a certain temperature and then there is a sharp incline as proteins are denatured.

N

During glycolysis, an 8-carbon sugar diphosphate molecule is split into two 4-carbon sugar phosphate molecules. N. False O. True

N. False

During glycolysis, a 6-carbon sugar diphosphate molecule is split into two 3-carbon sugar phosphate molecules. N. True O. False

N. True

Under aerobic conditions, the end-product of glycolysis is further reduced to yield more ATP. N. True O. False

O. False

Under anaerobic conditions, the end-product of glycolysis is further reduced to yield more ATP. N. False O. True

O. True

What are the two 3-carbon sugar phosphates converted into in the third step of glycolysis?

pyruvate and electrons are transferred to NAD⁺ to form NADH and ATP

What is oxidative phosphorylation?

the energy derived from the movement of protons diffusing through a membrane is used to synthesize ATP from ADP and a phosphate

What is the second step in Glycolysis?

the splitting of the 6-carbon sugar diphosphate into two 3-carbon sugar phosphates


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