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1) Under anaerobic conditions yeast release
A) lactic acid.B) urea.C) ethyl alcohol. And carbon dioxide D) carbon monoxide.E) oxygen.
2) The term aerobic means
A) with O2.B) wine making.C) without CO2.D) without O2.E) with CO2.
3) Respiration ____, and cellular respiration ____.
A) produces glucose . . . produces glucose
B) is gas exchange . . . produces ATP
C) produces ATP . . . is gas exchange
D) produces glucose . . . is gas exchange
E) uses glucose . . . produces glucose
4) Humans use the calories they obtain from ____ as their source of energy.
A) water B) sunlight C) minerals D) food E) both a and b
5) The overall equation for the cellular respiration of glucose is
A) C6H12O6 + 6O2 > 6CO2 + 6H2O + energy.
B) 5CO2 + 6H2O > C5H12O6 + 6O2 + energy.
C) C6H12O12 + 3O2 > 6CO2 + 6H2O + energy.
D) C5H12O6 + 6O2 > 5CO2 + 6H2O + energy.
E) none of the above.
6) During cellular respiration, the energy in glucose
A) is used to manufacture ATP by endergonic reactions.
B) is released a little bit at a time.
C) is released all at once.
D) is released by exergonic reactions.
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E) a, b, and d.
7) Unlike those of eukaryotes, the electron transport chains of prokaryotes are located in/on the
A) ER. B) central vacuole. C) plasma membrane. D) nuclear membrane. E) Golgi apparatus.
8) A drug is tested in the laboratory and is found to create holes in both mitochondrial membranes. Scientists suspect that the drug will be harmful because it will inhibit
A) the Krebs cycle.B) chemiosmosis.C) formation of alcohol.D) glycolysis.E) both a and b.
9) Glycolysis
A) does not occur in bacterial cells. B) does not occur in animal cells.
C) does not occur in plant cells. D)does not occur in yeast cells
E) takes place in virtually all cells.
10) Pyruvic acid is considered a(n) ____ aerobic cellular respiration.
A) end product of B) enzyme in C) source of O2 for D) intermediate in E) cofactor in
11) During cellular respiration, glucose is converted into two pyruvic acid molecules. These molecules
A) together contain less chemical energy than was found in the original glucose molecule.
B) are each converted into a two carbon molecule joined to a coenzyme A molecule.
C) are oxidized.
D) each lose a carbon atom, which is released as CO2.
E) all of the above.
12) The bridge between glycolysis and the Krebs cycle is
A) the oxidation of FADH2.B) the conversion of pyruvic acid to acetyl CoA.C) the production of alcohol.D) the oxidation of NADH.E) the conversion of ADP to ATP.
13) The enzymes of the Krebs cycle are located in the
A) cytoplasm.B) intermembrane space of the mitochondrion.C) mitochondrial matrix.D) outer mitochondrial membrane.E) inner mitochondrial membrane.
14) The end products of the Krebs cycle include all of the following except
A) pyruvic acid.B) ATP.C) CO2.D) FADH2.E) NADH.
15) At the end of the Krebs cycle, most of the energy remaining from the original glucose is stored in
A) FADH2.B) pyruvic acid.C) ATP.D) CO2.E) NADH.
16) In the respiratory electron transport chain, electrons are passed from one electron transport molecule to another and are finally accepted by
A) ADP.B) an oxygen atom.C) a molecule of water.D) a molecule of carbon dioxide.E) ATP.
17) Each FADH2 yields a maximum of ____ ATP and each NADH yields a maximum of ____ ATP as a result of transferring pairs of electrons to the electron transport chain.
A) 3 . . . 1B) 3 . . . 2C) 3 . . . 3D) 2 . . . 3E) 1 . . . 3
18) Both glycolysis and the Krebs cycle must occur ____ times per glucose molecule.
A) 2B) 3C) 4D) 5E) 1
19) Bacteria that are unable to survive in the presence of oxygen are called
A) strict anaerobes.B) microaerophiles.C) aerobes.D) chemosynthetic bacteria.E) facultative anaerobes.
20) Muscle soreness associated with strenuous exercise is at least partly due to
A) the large amount of carbon dioxide that builds up in the muscle.
B) the accumulation of alcohol from anaerobic respiration.
C) the presence of lactic acid from fermentation by muscle cells.
21) When a fatty acid is used for aerobic respiration, it is converted into ____, which is fed into ____.
A) glyceraldehyde 3 phosphate . . . glycolysis (partway through)B) citric acid . . . the Krebs cycleC) acetyl CoA . . . the Krebs cycleD) glucose . . . glycolysisE) pyruvic acid . . . the pyruvic acid "grooming" step
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Can someone help me check for my answers AACDAEEAEDEACACEDAACACBBAECBDD… Can someone help me check for my answers AACDAEEAEDEACACEDAACACBBAECBDD.
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22) If you consume one gram of each of the following, which will provide the most ATP energy?
A) proteinB) sucroseC) glucoseD) fat E) starch
23) The overall equation for photosynthesis is
A) the same as the equation for glycolysis written in reverse.
B) 6CO2 + 6H2O > C6H12O6 + 6O2.
C) C5H12O6 + 6O2 > 5CO2 + 6H2O.
D) C6H12O6 + 6O2 > 6CO2 + 6H2O.
E) both a and d.
24) Autotrophs
A) include only the green plants.
B) make organic food molecules from inorganic raw materials.
C) eat other organisms that use light energy to make food molecules.
D) make sugar by using organic raw materials.
E) both a and d.
25) Autotrophs that utilize light as their energy source are
A) photosynthetic autotrophs.B) heterotrophs.C) consumers.D) fungi.E) chemosynthetic autotrophs.
26) Producers
A) sustain themselves without eating.B) make organic food molecules from simple raw materials.C) manufacture the biosphere's food supply.D) are autotrophs.E) all of the above.
27) Chloroplasts contain disklike membranous sacs arranged in stacks called
A) cristae.B) vacuoles.C) thylakoids.D) grana.E) stroma.
28) In the chloroplast, sugars are made in a compartment that is filled with a thick fluid called the
A) thylakoid.B) stroma.C) stoma.D) mesophyll.E) matrix.
29) CO2 enters and O2 leaves a leaf via
A) grana.B) stroma.C) thylakoids.D) stomata.E) central vacuoles.
30) Chloroplasts are surrounded by
A) grana.B) a single membrane.C) cristae.D) a double membrane.E) thylakoids.
31) Which of the following molecules is both a reactant and a product of photosynthesis?
A) glucoseB) chlorophyllC) CO2D) O2E) H2O
32) Which of the following is not a difference between photosynthesis and cellular respiration?
A) Photosynthesis is ultimately light energy; respiration, by the chemical energy of fuel molecules.
B) Photosynthesis consumes CO2; respiration consumes O2.
C) ATP is produced during respiration but not during photosynthesis.
D) Photosynthesis produces O2; respiration produces CO2.
E) The principal electron carrier in photosynthesis is NADPH; the principal electron carrier in respiration is NADH.
33) Why are (most) plants green?
A) Green is the best color light for plant growth.
B) Chlorophyll reflects green light.
C) Chlorophyll absorbs green light.
D) Chlorophyll primarily uses green light as the source of energy for photosynthesis.
E) Carotenoids reflect green light.
34) Of the following wavelengths of light, which would you expect to be least absorbed by chlorophyll
a)A) redB) greenC) yellowD) orangeE) blue
35) A packet of light energy is called a
A) photon.B) wavelength.C) pigment.D) quantum.E) phaser.
36) When a pigment molecule absorbs a photon, one of its electrons
A) is put into an unstable state.B) becomes excited.C) is raised from the ground state.D) gains energy.E) all of the above.
37) Photosynthetic organisms derive their carbon from
A) carbon dioxide.B) carbon monoxide.C) methane.D) hydrocarbons.E) all of these, depending on environmental conditions.
38) ATP and NADPH
A) production is associated with events taking place on the inner A)mitochondrial membrane.
B) are inputs to the photosystems.
C) play a role in glucose synthesis by plants.
D) are products of the Calvin cycle.
E) all of the above.
39) What type of nutrition do most fungi possess?
40) What type of nutrition do viruses possess?
i got a few different answers but mostly the same - 3B, 7C, 8E, 12B, 16B, 24D
Questions 1-30 (that's all the answers that were shown in the question):
1 is C (think about how beer is made)
3 is B (you were close, just reversed)
7 is C (prokaryotes don't have organelles)
8 is E (Putting holes in both membranes of the mitochondrion would allow hydrogens to leak back and forth and wouldn't allow the hydrogen ion gradient to form, thus preventing the gradient from providing the energy for ATP synthase to produce ATP. Also, it would likely disrupt the Krebs cycle as well as this occurs inside the mitochondrion)
12 is B (from you answers to 10 and 11, since you know that pyruvate is at the end of glycolysis, see the following diagram: http://www.sp.uconn.edu/~bi107vc/images/...
15 is E (the key phrase is "at the end of the Krebs cycle" not at the end of the electron transport chain).
16 is B (ATP is not an electron acceptor of electrons from the electron transport chain, oxygen is the standard electron acceptor in eukaryotes).
22 is D (key phrase is "1 gram")
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