6) What is the fate of pyruvic mountain in an organism that provides aerobic respiration?

A) that is reduced to lactic acid.

You are watching: Which of the following is not an enzyme?

B) the reacts through oxaloacetate to form citrate.

C) it is oxidized in the electron carry chain.

D) it is catabolized in glycolysis.

E) it is converted right into acetyl CoA.


How would a noncompetitive inhibitor interfere with a reaction involving the enzyme shown in figure 5.3?

A) It would bind to a.

B) It would certainly bind come b.

C) It would bind to c.

D) It would bind come d.

E) The answer cannot be determined based upon the information provided.


How is ATP created in the reaction displayed in figure 5.4?

A) glycolysis

B) fermentation

C) photophosphorylation

D) oxidative phosphorylation

E) substrate-level phosphorylation

9) fatty acids room oxidized in

A) the Krebs cycle.

B) the electron transport chain.

C) glycolysis.

D) the pentose phosphate pathway.

E) the Entner-Doudoroff pathway.


Which the the graphs in figure 5.5 best illustrates the task of one enzyme that is saturated v substrate?

A) a

B) b

C) c

D) d

E) e

11) which of the adhering to is the best meaning of oxidative phosphorylation?

A) Electrons room passed v a series of carrier to O2.

B) A proton gradient permits hydrogen ions to flow back into the cells through transmembrane protein channels, releasing energy that is offered to create ATP.

C) ATP is directly transferred native a substrate to ADP.

D) Electrons are passed with a collection of carrier to an necessary compound.

12) i m sorry of the complying with statements about substrate-level phosphorylation is FALSE?

A) It involves the straight transfer the a high-energy phosphate group from an intermediary metabolic compound to ADP.

B) No final electron acceptor is required.

C) It wake up in glycolysis.

D) The oxidation of intermediate metabolic link releases power that is used to create ATP.

E) It occurs to a lesser level in the Krebs cycle than in glycolysis.

13) which of the following statements around photophosphorylation is FALSE?

A) light liberates one electron native chlorophyll.

B) The oxidation of transport molecules release energy.

C) power from oxidation reactions is offered to generate ATP native ADP.

D) It calls for CO2.

E) It wake up in photosynthesizing cells.

14) A strictly fermentative bacter produces energy

A) by glycolysis only.

B) by aerobic respiration only.

C) by fermentation or aerobic respiration.

D) just in the lack of oxygen.

E) only in the visibility of oxygen.

15) The benefit of the pentose phosphate pathway is that it produces all of the complying with EXCEPT

A) precursors for main point acids.

B) precursors for the synthetic of glucose.

C) 3 ATPs.


E) precursors because that the synthesis of amino acids.

16) i m sorry biochemical procedure is not used throughout glycolysis?

A) substrate-level phosphorylation

B) oxidation-reduction

C) carbohydrate catabolism

D) beta oxidation

E) enzymatic reactions

17) In noncyclic photophosphorylation, O2 is released from

A) CO2.

B) H2

C) C6H12O6.

D) sunlight.

E) chlorophyll.

18) i m sorry of the following is the best definition of fermentation?

A) the partial palliation of glucose come pyruvic acid

B) the partial oxidation that glucose v organic molecule serving together electron acceptors

C) the complete catabolism that glucose come CO2and H2O

D) the manufacturing of power by oxidative-level phosphorylation

E) the production of energy by both substrate and oxidative phosphorylation

19) i m sorry of the adhering to is NOT crucial for respiration?

A) cytochromes

B) flavoproteins

C) a resource of electrons

D) oxygen

E) quinones

20) Which among the following would you predict is one allosteric inhibitor of the Krebs cycle enzyme, α-ketoglutarate dehydrogenase?

A) citric acid

B) α-ketoglutaric acid




21) In green and purple bacteria, electrons to alleviate CO2 have the right to come from

A) CO2.

B) H2

C) C6H12O6.

D) H2

E) chlorophyll.

22) i think you are growing bacteria top top a lipid medium that began at pH 7. The action of bacter lipases should reason the pH that the tool to

A) increase.

B) decrease.

C) stay the same.

23) which of the following uses CO2 because that carbon and H2 because that energy?

A) chemoautotroph

B) chemoheterotroph

C) photoautotroph

D) photoheterotroph

24) which of the adhering to uses glucose because that carbon and also energy?

A) chemoautotroph

B) chemoheterotroph

C) photoautotroph

D) photoheterotroph

25) which of the following has bacteriochlorophylls and also uses alcohols for carbon?

A) chemoautotroph

B) chemoheterotroph

C) photoautotroph

D) photoheterotroph

26) Cyanobacteria space a kind of

A) chemoautotroph.

B) chemoheterotroph.

C) photoautotroph.

D) photoheterotroph.

27) i m sorry of the complying with statements space TRUE?

1-Electron carriers are located at ribosomes.

2-ATP is a common intermediate between catabolic and anabolic pathways.

3-ATP is offered for the long-term storage that energy and also so is often discovered in warehouse granules.

4-Anaerobic organisms are qualified of generating ATP via respiration.

5-ATP deserve to be created by the flow of protons throughout protein channels.

A) 2, 4, 5

B) 1, 3, 4

C) 2, 3, 5

D) 1, 2, 3

E) all of the statements space true.

28) Microorganisms that catabolize sugars right into ethanol and also hydrogen gas would most likely be categorized as

A) aerobic respirers.

B) anaerobic respirers.

C) heterolactic fermenters.

D) homolactic fermenters.

E) alcohol fermenters.

29) i beg your pardon of the complying with statements about metabolism is FALSE?

A) warm may be exit in both anabolic and also catabolic reactions.

B) ATP is created in catabolic reactions.

C) ADP is formed in anabolic reactions.

D) Anabolic reactions room degradative.


30) i m sorry of the adhering to is TRUE about this reaction?

A) This procedure requires O2.

B) This process occurs anaerobically.

C) This procedure requires the entire electron transport system.

D) This procedure requires light.

E) This process requires O2and the electron transport system.

31) i m sorry of the following statements about the Entner-Doudoroff pathway is TRUE?

A) It requires glycolysis.

B) It requires the pentose phosphate pathway.

C) NADH is generated.

D) ATP is generated.

E) NADH and ATP are generated.

32) i think you are working because that a chemical agency and space responsible for cultivation a yeast culture that produces ethanol. The yeasts are growing well top top the maltose medium however are not producing alcohol. What is the most most likely explanation?

A) The maltose is toxic.

B) O2is in the medium.

C) Not enough protein is provided.

D) The temperature is as well low.

E) The temperature is as well high.


The rates of O2 and glucose consumption by a bacterial culture are presented in figure 5.6. Assume a bacterial society was grown in a glucose tool without O2. Then O2 was added at the time marked X. The data suggest that

A) these bacteria don"t usage O2.

B) this bacteria get much more energy anaerobically.

C) aerobic management is an ext efficient 보다 fermentation.

D) this bacteria cannot thrive anaerobically.

34) one enzyme, citrate synthase, in the Krebs bicycle is inhibited through ATP. This is an instance of all of the following EXCEPT

A) allosteric inhibition.

B) vain inhibition.

C) feedback inhibition.

D) noncompetitive inhibition.

35) If a cabinet is starved for ATP, i beg your pardon of the following pathways would most likely be close up door down?

A) Kreb"s cycle

B) glycolysis

C) pentose phosphate pathway

D) Krebs cycle and glycolysis

36) i beg your pardon of the adhering to statements concerning the glycolysis pathway is FALSE?

A) 2 pyruvate molecules room generated.

B) four ATP molecule are generated via substrate-level phosphorylation.

C) 2 NADH molecules room generated.

D) One molecule that ATP is expended.

E) two molecules the water room generated.


The graph in ~ the left in figure 5.7 mirrors the reaction rate for an enzyme in ~ its optimum temperature. Which graph reflects enzyme task at a greater temperature?

A) a

B) b

C) c

D) d

38) A bacterial society grown in a glucose-peptide medium reasons the pH come increase. The bacteria are many likely

A) fermenting the glucose.

B) oxidizing the glucose.

C) using the peptides.

D) no growing.

39) Gallionella bacteria have the right to get energy from the reaction Fe2+ → Fe3+. This reaction is an instance of

A) oxidation.

B) reduction.

C) fermentation.

D) photophosphorylation.

E) the Calvin-Benson cycle.


40) In figure 5.8, wherein is ATP produced?

A) a

B) b

C) c

D) d

E) e


41) to express to figure 5.8. In aerobic respiration, wherein is water formed?

A) a

B) b

C) c

D) d

E) e


42) In number 5.8, the framework labeled "1" isA) NAD+.B) ATP synthase.C) a plasma membrane.D) a cell wall.E) cytoplasm.


43) In number 5.8, the course labeled "2" is the flow of

A) electrons.

B) protons.

C) energy.

D) water.

E) glucose.


44) What is the most acidic place in number 5.8?

A) a

B) b

C) c

D) d

E) e

45) A urease test is used to identify Mycobacterium tuberculosis because

A) urease is a authorize of tuberculosis.

B) tuberculosis to produce urease.

C) urea accumulates during tuberculosis.

D) part bacteria minimize nitrate ion.

E) bovis can reason tuberculosis.

46) researchers are emerging a ribozyme that cleaves the HIV genome. This pharmaceutical agent can be described as

A) an RNA molecule qualified of catalysis.

B) a hydrolase.

C) a hereditary transposable element.

D) a protease inhibitor.

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E) a vain inhibitor for reverse transcriptase.

47) i beg your pardon statements exchange mail to amphibolic pathways?

anabolic and also catabolic reactions space joined through typical intermediate common metabolic pathways Feedback inhibition can aid regulate rates of reactions both species of reactions space necessary yet do not happen simultaneously

A) 1 only