BIOS 1404 exam 3 - How did the fat leave her body ? –Answer It w...

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BIOS 1404 exam 3

• You have a friend who lost 7kg (about 15 pounds) of fat on a regimen of strict diet and exercise.

How did the fat leave her body ?–Answer It was released as CO2 and H2O

• In a plant cell, where is ATP synthase located?

–Answer thylakoid membrane and inner mitochondrial membrane

• Where does the Calvin cycle take place?

–Answer stroma of the chloroplast

• Which of the following are directly associated with photosystem I?

–Answer Receiv- ing electrons from the thylakoid membrane electron transport chain

• The primary role of oxygen n cellular respiration is to

–Answer Act as an acceptor for electrons and hydrogen, forming water

• Where are the proteins of the electrons transport chain located?

–Answer Mitochon- drial inner membrane

• Substrate-level phosphorylation accounts for approximately what percent- age of the ATP

formed by the reactions of glycolysis?–Answer 100%

• Which of the following statements best describes the relationship between photosynthesis

and respiration?–Answer Photosynthesis stores energy in complex or- ganic molecules, whereas respiration releases it 1 / 2

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• The ATP made during glycolysis is generated by

–Answer substrate-level phosphory- lation

• What is the tern for metabolic pathways that release stored energy by breaking down

complex molecules?–Answer Catabolic pathways

• The reactions that produce molecular oxygen (O2) take place in

–Answer The light reactions alone

• Why is glycolysis described as having an investment phase and a payoff phase?

–Answer It uses stored ATP and then forms a new increase in ATP

• Photorespiration lowers the efficiency of photosynthesis by

–Answer Reducing the amount of 3-phosphoglycerate formed

• Where does glycolysis take place in eukaryote cells?

–Answer Cytosol

• During aerobic respiration, which of the following directly donates elec- trons to the

electron transport chain?–Answer FADH2

• One function of both alcohol fermentation and lactic acid fermentation is to

–Answer Oxidize NADH to NAD+

• If the carbon atom of each of the following CO2 molecules is labeled with a radioactive

isotope of carbon, which organic molecules will be radioactively labeled after one cycle ?–Answer B,C,D, and E

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