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(31. What is the purpose of cellular respiration/

a. To get O2 into our bodies and to get CO2 out of our bodies

b. To use the energy of sunlight to synthesize sugars

c. To make ATP to power cellular activities d. To hydrolyze ATP

(36. Which of the following accurately describes a distinction between lactic acid fermentation and alcoholic (ethanol) fermentation?

a. Lactic acid fermentation occurs in prokaryotes, whereas alcoholic (ethanol) fermentation occurs in eukaryotes

b. The final electron acceptor in lactic acid fermentation is pyruvate; the final electron acceptor in alcoholic (ethanol) fermentation is acetaldehyde

c. In lactic acid fermentation, NADH is produced by glycolysis; in alcoholic (ethanol) fermentation, NADH is produced by the Krebs cycle

d. In lactic acid fermentation, cell use CO2 in place of oxygen; in alcoholic (ethanol) fermentation, cells use SO4

(37. Which pathway is see in both fermentation and aerobic respiration?

a. Krebs cycle

b. Electron transport

c. Glycolysis d. Pyruvate oxidation

(50. How many molecules of carbon dioxide (CO2) would be produced with 5 turns of the cirtic acid cycle?

a. 2

b. 5

c. 10

d. 12

e. 60

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Tod Thiel
Tod ThielLv2
28 Sep 2019
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Related questions

What is the main product of cellular respiration?

TRUE or FALSE: Glycolysis does not require oxygen.

During glycolysis, 2 molecules of ___ are required in “glucose priming” or activation.

In what cells does ethanol fermentation occur?

In what cells does lactic acid fermentation occur?

TRUE or FALSE: The light-dependent reactions of the cyclic pathway produce ATP.

What wavelength of light has the most potential energy for photosynthesis?

Which is the only plant with the ability to overcome the inefficiencies of photorespiration?

Plants appear green because ________ .

The Krebs cycle occurs __ times in order to fully break down glucose.

The Krebs cycle takes place in the ____ of the cell.

TRUE or FALSE: Nucleic Acid can be broken down to create ATP.

The bulk of the ATP that our bodies need is harvested through which of the following: Anearobic processes or Aerobic processes?

TRUE or FALSE: The electron transport chain is aerobic.

How many ATP molecules do anaerobic pathways produce?

1. Which of the following is common to both aerobic and anaerobicmicrobes?
Fermentation
An electron transport chain
Pyruvate oxidation
Glycolysis
All of the above
2. The primary purpose of catabolism is
generation of ADP.
generation of ATP.

oxidation of NADH to NAD+.
degradation of organic molecules.
biosynthesis.
3. What is a fate of pyruvate during alcoholic fermentation byyeast?
It is reduced to lactic acid.
It is oxidized to form glucose and carbon dioxide
It is cleaved to form acetylaldehyde and carbon dioxide.
It is catabolized in glycolysis.
It is oxidized to form lactic acid and carbon dioxide.
4. Electrons needed to reduce an oxidized electron acceptor areprovided by
a) externally provided compounds such asH<sub>2</sub>, lactate or formate.
b) an intermediate electron carrier such as NADH.
c) 0<sub>2</sub>.
d) Both a and b
e) All of the above
5. How are aerobic respiration and anaerobic respirationsimilar?
Both use oxygen as a terminal electron carrier.
These are other names for glycolysis.
Both utilize inorganic molecules as terminal electronacceptors.
Neither receives electrons from glycolysis.
Anaerobic respiration does not exist in microbes.
6. The conversion of phosphoenolpyruvic acid (PEP) topyruvate
a) releases CO<sub>2</sub>.
b) involves the conversion of ADP and ATP.
c) involves substrate-level phosphorylation.
d) Both a and b
e) Both b and c
7. Which of the following is the best definition offermentation?
The reduction of glucose to pyruvic acid

The complete catabolism of glucose to CO2 andH2O
The oxidation of a carbohydrate with organic molecules servingas electron donors and acceptors
The production of ATP from glucose
The production of ethanol from glucose
8. A reaction that yields energy has a
positive ?Go?.
negative ?Go?.
positive ?Eo?.
negative ?Eo?.
negative ?Ho?.
9. Oxidation and reduction reactions are always coupledbecause
a) electrons generally accompany protons.
b) protons generally accompany protons.
c) electrons cannot exist free in solution.
d) Both a and b
e) All of the above
10. Which of the following is true of aerobic respiration?
It involves the reduction of oxygen.
It involves the oxidation of oxygen.
It involves the reduction of lactic acid.
It involves the oxidation of lactic acid.
It does not generate ATP.


Fill in the blank in the following table:

metabolic cycle location pro/ eukaryote components substrates products pathway purpose
embden- meyerhof- parnas (glycolysis) cytoplasm/ cytoplasm 10 enzymes
pentose phosphate pathway cytoplasm/ cytoplasm

dozen enzyme

 1 Glucose (6 carbon), 1 NADP, 1ATP 1 Ribose-P (5 carbon) + 1CO2, 1NADPH, or sugars, 1 ADP Nucleotide synthesis, NADPH for anabolism
PDH reaction

cytoplasm/ mitochondria matrix
TCA/ Krebs/ citric acid cycle generation of high energy electron carriers, provide metabolic precursors
Electron transport chain + ATP synthase (aerobic respiration)
Electron transport chain + ATP synthase (anaerobic respiration) 1Nitrate or sulfate or CO2, 1NADH + ____ ADP Or 1FADH2+ ____ ADP N2, or NO2 or H2S or CH4 1NAD + ____ ATP Or 1FADH2+ ____ ATP Generate proton motive forces abd use to generate ATP regenerate NAD+
Fermentation cytoplasm/ cytoplasm 1 or more enzymes (vary by organism) 1 pyruvate, 1 NADH 1 alcohol or acid (maybe 1 CO2) NAD+ Regenerate NAD+

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