Test
Cellular Respiration Final
Crea una cuenta gratis para terminar este test
Guarda tu progreso y consulta tu resultado final.
¿Ya tienes cuenta? Inicia sesión
Preguntas del test (40)
1The process occurring within living cells which releases chemical energy stored in food as shown in the following reaction is called:
Glucose -> CO2 + H2O + Energy- AGlycolysis
- BEnzymatic Breakdown
- CCellular Respiration
- DPhotosynthesis
2The majority of the energy released in the breakdown of glucose is trapped by an energy transfer compound known as:
- ANADP
- BNAD
- CATP
- DNADPH2
3The energy transfer compound described in the preceding problem which traps the majority of the energy released in the breakdown of glucose:
- Ais different for protists than for animals
- Bis the same compound for the majority of all living organisms
- Cis the same compound for all living organisms
- Dis different for plants than for animals
4Once formed, the energy transfer compound referred to in the preceding problem releases its stored energy needed for the maintenance of various activities within the cell by:
- Adonating a high energy electron
- Bdonating a pair of hydrogen ions
- Closing hydrogen atoms to a cytochrome system
- Dlosing its terminal phosphate group
5The first major set of reactions occurring in the breakdown of glucose involves the stripping away of hydrogen atoms resulting in the production of two 3-carbon molecules of pyruvic acid. This process is called:
- AFermentation
- BGlycolysis
- COxidation
- DEnzymatic breakdown
6Under the right conditions, the hydrogen atoms which are stripped away during the process described in the preceding problem are picked up by a carrier molecule known as:
- ANAD
- BADP
- CNADH2
- DNADP
7The carrier molecules referred to in the preceding problem transfer the hydrogen ions and their high-energy electrons to a system which moves the electrons down an energy gradient. This system is called the:
- AHydrogen transport system
- BCytochrome transport system
- CElectron transport chain
- Drespiratory chain
- Eall of the above
8After the electrons have passed through the system described in the preceding problem, the hydrogen ions and their electrons are picked up by another hydrogen acceptor which is:
- ANADH2
- BADP
- CNAD
- DO2
9The compound formed from the union of the hydrogen ions, electrons, and the hydrogen acceptor molecule described in the preceding problem is:
- ANADH2
- BH2O
- CH2O2
- DNADPH2
10The entire sequence of reactions described from problems 5 to 9 will occur:
- Aonly in the presence of oxygen
- Bonly in the presence of light
- CWhether or not oxygen is present
- Dwhether or not light is present
11When no oxygen is present, the breakdown of glucose into two molecules of pyruvic acid results in the net production of ______ molecules of ATP.
- A6
- B8
- C4
- D2
12When no oxygen is present, the conditions are said to be:
- Anon-oxidative
- Baerobic
- Canaerobic
- Dantiaerobic
13Under the conditions described in the preceding problem, the pyruvic acid formed from the breakdown of glucose can be further broken down under an overall process known as:
- Acellular respiration
- Bthe Kreb's cycle
- Cfermentation
- Dglycolysis
14The ultimate hydrogen acceptor molecule in the process described in the preceding problem is:
- Apyruvic acid
- Bacetic acid
- CO2
- DNAD
15In yeast cells the final end product(s) of the process described in problem 13 is/are:
- AWater and carbon dioxide
- BEthyl Alcohol
- CEthyl alcohol and carbon dioxide
- Dlactic acid and carbon dioxide
16In animal cells, the final end product(s) of the process described in problem 13 is/are
- Aethyl alcohol and carbon dioxide
- Blactic acid and carbon dioxide
- Clactic acid
- Dwater and carbon dioxide
17If the conditions are aerobic the overall breakdown of glucose continues, as pyruvic acid is further broken down in a second major set of reactions called:
- Aoxidative photophosphorylation
- Bthe Kreb's cycle
- Csubstrate-level phosphorylation
- Dcyclic photphosphorylation
18Before actually entering the process described in the preceding problem, each molecule of pyruvic acid is first broken down to form:
- AAcetyl - CoA and acetic acid
- BCoenzyme A and acetic acid
- CAcetyl - CoA and carbon dioxide
- DCoenzyme A and carbon dioxide
19Which lab did you like best and why?
- ASourdough bread
- BRoot Beer lab
- CEnzyme potato lab
- DJello lab
20Acetyl - CoA formed in the breakdown of pyruvic acid transfers a 2-carbon acetyl group to a molecule of:
- A-ketoglutaric acid
- Bcitric acid
- Clactic acid
- Doxaloacetic acid
21The molecule thus formed from the reaction described in the preceding problem is known as
- Alactic acid
- Bcitric acid
- Coxaloacetic acid
- D- ketoglutaric acid
22For each molecule of glucose, _________ molecules of carbon dioxide are given off in the breakdown of citric acid to oxaloacetic acid.
- A6
- B4
- C8
- D2
23In the entire sequence of reactions leading to the complete breakdown of glucose, a total of __________ molecules of ATP are formed when all processes are considered!
- A32
- B38
- C36
- D34
24Dried yeast is introduced into a vacuum bottle containing a 25% molasses solution. After a period of time, a gas begins to be given off. The gas which is given off is most likely:
- ACO3
- BCO2
- CH2O
- DO2
25During the first three steps of glycolysis, ________ molecules must be invested per glucose molecule in order to overcome certain endergonic steps.
- A2 ATP
- B2 NADH
- C4 ATP
- D4 NADH
- E6 ATP
26For each molecule of glucose processed by glycolysis, there is a net energy yield of:
- A2 ATP and 2 NADH
- B2 ATP and 4 NADH
- C4 ATP and 2 NADH
- D4 ATP and 4 NADH
27The complete breakdown of pyruvic acid in the presence of oxygen is an:
- Aanaerobic process that releases a large amount of energy
- Baerobic process that produces lactic acid or ethanol
- Canaerobic process that releases little usable energy
- Daerobic process that releases a large amount of energy
- Eanaerobic process that produces lactic acid and ethanol
28An oxygen debt may be accumulated in muscle cells by __________ during short bursts of intense muscular activity.
- Athe carboxylation of pyruvic acid
- Bglycolysis as pyruvic acid is produced under anaerobic conditions
- Cthe production of lactic acid under anaerobic conditions
- Delectron transport as NADH is reoxidized to NAD+
- Ethe Kreb's cycle as acetyl CoA is completely oxidized
29LActic Acid is converted to pyruvic acid in the:
- Aliver
- Bmuscles
- Cbrain
- Dspleen
- Estomach
30In eukaryotes, the enzymes involved in the Kreb's cycle and electron transport are located in the:
- Acell membrane
- Bcytoplasm
- Cmitochondria
- Dperoxisomes
- Elysosomes
31Respiration is a 2-stage process that occurs in the _____________ and consists of ____________.
- Amitochondria; glycolysis and electron transport
- Bcytoplasm; the Krebs cycle and electron transport
- Ccytoplasm; the Krebs cycle and glycolysis
- Dmitochondria; the Krebs cycle and electron transport
32The folds of the inner membrane of mitochondria are called:
- Amatrix
- Bcisternae
- Cgrana
- Dthylakoids
- Ecristae
33In eukaryotic cells, some of the enzymes associated with the Krebs cycle are located in the __________ and others are located in the __________.
- Amatrix; cell membrane
- Bperoxisomes; Golgi complexes
- Ccytoplasm; inner membrane
- Dthylakoids; grana
- Ecristae; matrix
34The enzymes of the electron transport system are located in the mitochondrial:
- Amatrix
- Bouter membrane
- Ccristae
- Dintermembrane space
- Ecisternae
35The dense solution within the inner compartment of the mitochondria that contains enzymes, coenzymes, water and phosphates is called the:
- Amatrix
- Bstroma
- Cgrana
- Dcristae
- Ecisternae
36The Krebs cycle begins when the acetyl group of acetyl CoA is joined to _________.
- Acitric acid
- Boxaloacetic acid
- Ccarbon dioxide
- Dmalic acid
- Esuccinic acid
37THe final oxidation of the carbons from the original glucose molecule is completed in:
- Athe Krebs cycle
- Bglycolysis
- Cthe electron transport chain
- Dpyruvic acid oxidation
- Ealcoholic fermentation
38The Krebs cycle is called a cycle because:
- Athe enzymes involved are located around the edge of the mitochondrion.
- Bit begins and ends with oxaloacetic acid
- Ccyclic AMP is produced
- Dthe process involves cyclic phosphorylation
- Ethe product of one reaction is the substrate of the next reaction.
39The organelle that is a major producer of ATP and is found in both heterotrophs and autotrophs is the
- Achloroplast
- Bnucleus
- Cribosome
- DGolgi apparatus
- Emitchondrion
40Lactic acid metabolism is important for what reason?
- AIt makes 2 ATP
- BIt releases 4 ATP from NADPH2
- CIt provides a burst of energy to move when oxygen has run out
- DB and C
- ENone of the above
Información
- Descripción
- The breaking down of glucose
- Autor
- Lexi Schofield
- Idioma
- English
- Visitas
- 21
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test