Which type of organism obtains energy by metabolizing molecules created by various other organisms?

A) autotrophs

B)heterotrophs

C)decomposers

D)B and C

E) A, B, C


Which that the complying with are assets of the irradiate reactions of photosynthesis that are utilized in the Calvin cycle?

a. CO2 and also glucose

b. H2o and also o2

c. Adp, pi, and also nadp+

e. Atp and also nadph


What space the products of the light reactions that are subsequently used by the Calvin Cycle?

a.oxygen and also carbon dioxide

b.carbon dioxide and also RuBP

c. Water and also carbon

d. Electrons and also phtons

e. ATP and NADPH


What wavelength of irradiate in the number is most effective in steering photosynthesis?A. 625 mmB. 475 mmC. 420 mmD. 730 mmE. 575 mm


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The figure shows the absorb spectrum for chlorophyll a and the action spectrum because that photosynthesis. Why room they different?

A) Green and yellow wavelength inhibit the absorption of red and also blue wavelengths.

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B) Oxygen provided off throughout photosynthesis interferes with the absorb of light.

C) various other pigments absorb irradiate in enhancement to chlorophyll a.

D) Aerobic bacteria take it up oxygen, which changes the measurement of the rate of photosynthesis.


In the thylakoid membranes, what is the main function of the antenna colours molecules?

a. Split water and also release oxygen to the reaction-center chlorophyll

b. Harvest photons and transfer light energy to the reaction-center chlorophyll

c. Synthesize ATP from ADP and also Pi

d.transfer electrons to ferredoxin and then NADPH

e. Concentration photons in ~ the stroma


The reaction-center chlorophyll of this device is recognized as P700 because

a. There are 700 chlorophyll molecule at this center

b.this colours is ideal at soaking up light with a wavelength of 700nm

c.there space 700 photosytem I materials to every chloroplast

d. The absorbs 700 photons per microsecond

e. The plastoquinone mirrors light with a wavelength the 700 nm


All that the events noted below take place in the irradiate reactions of photosynthesis other than A) oxygen is produced. B) NADP+ is decreased to NADPH. C) carbon dioxide is integrated into PGA. D) ADP is phosphorylated to productivity ATP. E) irradiate is absorbed and funneled come reaction-center chlorophyll a.


During photosynthesis, visible light has actually enough energy to

a. Force electrons closer to the nucleus

b. Wake up electrons

c. Separation a water molecule into hydrogen and oxygen

d. B and also C only

e. A,B, and C


Which the the adhering to statements about the light reactions of photosynthesis room true?

a. The splitting of water molecules provides a resource of electrons.

b. Chlorophyll (and other pigments) absorb light energy, i m sorry excites electrons.

c. ATP is produced by photophosphorylation.

d. Only A and also C are true.

e. A, B, and also C space true.


All that the complying with are directly linked with photosystem II except A) extraction of hydrogen electron from the splitting of water. B) relax of oxygen. C) harvesting of light power by chlorophyll. D) NADP+ reductase. E) P680 reaction-center chlorophyll.


What space the commodities of noncyclic photophosphorylation?

a. Heat and fluorescence

b. ATP and P700

c. ATP and NADPH

d. ADP and also NADP

e. P700 and also P680


What go cyclic electron circulation in the chloroplasts produce?

a. ATP

b. NADPH

c. Glucose

d. A and b

e. A, b, and c


As a research study scientist, you measure the lot of ATP and NADPH consumed by the Calvin cycle in 1 hour. You find 30,000 molecule of ATP consumed, yet only 20,000 molecules of NADPH. Whereby did the extra ATP molecules come from? A) photosystem IIB) photosystem ns C) cyclic electron flowD) direct electron flowE) chlorophyll


In mitochondria, chemiosmosis translocates protons from the matrix into the intermembrane space, whereas in chloroplasts, chemiosmosis translocates proton from

a. The stroma come the photosystem II.

b. The procession to the stroma.

c. The stroma to the thylakoid space

d. The intermembrane space to the matrix.

e. ATP synthase come NADP+ reductase


Which the the complying with statements best describes the relationship between photosynthesis and respiration?

a. Respiration is the reversal of the biochemical pathways that photosynthesis.

b. Photosynthesis stores energy in complicated organic molecules, if respiration releases it.

c. Photosynthesis occurs just in plants and also respiration occurs only in animals.

d. ATP molecules are produced in photosynthesis and also used increase in respiration.

e. Respiration is anabolic and also photosynthesis is catabolic.


Refer to the selections to answer the complying with questions. Each an option may be offered once, an ext than once, or not at all. Suggest whether the following events occur during

A. Photosynthesis

B. Respiration

C. Both photosynthesis and respiration

D. No photosynthesis nor respiration

synthesis of ATP through the chemiosmotic mechanism

a. A

b. B

c. C

d. D


Refer come the selections to prize the complying with questions. Each an option may be offered once, much more than once, or no at all. Indicate whether the following events occur during

A. Photosynthesis

B. Respiration

C. Both photosynthesis and also respiration

D. Neither photosynthesis nor respiration

reduction the NADP+

a. A

b. B

c. C

d. D


Refer to the selections to price the complying with questions. Each selection may be used once, an ext than once, or not at all. Suggest whether the following occasions occur during

A. Photosynthesis

B. Respiration

C. Both photosynthesis and also respiration

D. No photosynthesis no one respiration

the dividing of carbon dioxide to kind oxygen gas and also carbon compounds

a. A

b. B

c. C

d. D


Where are the molecule of the electron transfer chain discovered in plant cells? A) thylakoid membranes the chloroplastsB) stroma of chloroplastsC) external membrane the mitochondriaD) matrix of mitochondriaE) cytoplasm


Which the the following statements ideal represents the relationships in between the light reactions and also the Calvin cycle? A) The irradiate reactions provide ATP and also NADPH come the Calvin cycle, and the cycle return ADP, Pi, and NADP+ come the irradiate reactions.B) The irradiate reactions administer ATP and also NADPH come the carbon fixation action of the Calvin cycle, and also the cycle provides water and also electrons come the light reactions.C) The irradiate reactions it is provided the Calvin cycle with CO2 to produce sugars, and also the Calvin cycle supplies the light reactions with sugars to develop ATP.D) The irradiate reactions carry out the Calvin cycle with oxygen because that electron flow, and also the Calvin cycle offers the light reactions v water come split.E) there is no relationship in between the irradiate reactions and also the Calvin cycle.


Which that the complying with is (are) compelled in the calvin cycle?

A. CO2

B. ATP

C. RuBP

d. A and also B only

e. A, B, and C


Which declare is false?

A) thylakoid membranes save on computer the photosynthesis pigments. B) The O2 released during photosynthesis comes from water. C) RuBP is created during cyclic electron flow in the light reactions the photosynthesis. D) The light reactions of photosynthesis carry out the power for the Calvin cycle. E) as soon as chlorophyll is reduced, that gains electrons.


For the complying with questions, to compare the irradiate reactions with the Calvin cycle of photosynthesis in plants.Use the adhering to key:

A.light reaction alone

B.the Calvin bike alone

C.both the light reactions and also the Calvin cycle

D.neither the irradiate reactions no one the Calvin cycle

E.occurs in the chloroplast yet is not component of photosynthesis

Produces molecule oxygen (O2)?

a. A

b. B

c. C

d. D


For the following questions, compare the irradiate reactions through the Calvin cycle of photosynthesis in plants.Use the adhering to key:

A.light reactions alone

B.the Calvin cycle alone

C.both the irradiate reactions and the Calvin cycle

D.neither the irradiate reactions nor the Calvin cycle

E.occurs in the chloroplast however is not component of photosynthesis

Produces NADPH?

a. A

b. B

c. C

d. D


For the following questions, compare the light reactions v the Calvin bike of photosynthesis in plants.Use the adhering to key:

A.light reactions alone

B.the Calvin bike alone

C.both the light reactions and the Calvin cycle

D.neither the light reactions no one the Calvin cycle

E.occurs in the chloroplast however is not component of photosynthesis

Produces three-carbon sugars?

a. A

b. B

c. C

d. D


For the following questions, to compare the irradiate reactions through the Calvin cycle of photosynthesis in plants.Use the complying with key:

A.light reactions alone

B.the Calvin bicycle alone

C.both the irradiate reactions and also the Calvin cycle

D.neither the light reactions nor the Calvin cycle

E.occurs in the chloroplast however is not component of photosynthesis

Requires glucose?

a. A

b. B

c. C

d. D


For the adhering to questions, to compare the irradiate reactions with the Calvin bike of photosynthesis in plants.Use the complying with key:

A.light reaction alone

B.the Calvin bike alone

C.both the irradiate reactions and the Calvin cycle

D.neither the light reactions no one the Calvin cycle

E.occurs in the chloroplast but is not part of photosynthesis

Inactive in the dark?

a. A

b. B

c. C

d. D


Which of the following is (are) true of the enzyme ribulose bisphosphate carboxylase? A) it participates in the Calvin cycle. B) that catalyzes a phosphorylation reaction. C) It has actually an affinity because that both O2 and CO2. D) A and also C room true. E) A, B, and also C space true.


What are the substrates (normal reactants) because that the enzyme RuBP carboxylase?

A) CO2 and also O2 B) CO2 and glucose C) ATP and NADPH D) triose-P, glucose, and CO2 E) CO2 and ATP


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Which that the complying with statements is true worrying the figure?

a. The represents cell processes affiliated in C4 photosynthesis.

b. It represents the kind of cabinet structures found in video camer plants.

c. It to represent an adaptation that minimizes photorespiration.

d. A and C room true.

e. A, B, and C are true.


Oxygen would inhibit the CO2 fixation reactions in

a. Cell i only.

b. Cell II only.

c. No cell ns nor cell II.

d. Both cabinet I and also cell II.

e. Cell I throughout the night and also cell II throughout the day.


In i m sorry cell would certainly you suppose photorespiration?

a. Cell I

b. Cell II

c. Cell ns at night

d. Cell II at night

e. No Cell ns nor cell II


Why space C4 plants able to photosynthesize v no evident photorespiration? A) They perform not participate in the Calvin cycle. B) They use PEP carboxylase to at first fix CO2. C) they are adjusted to cold, wet climates. D) They conserve water much more efficiently. E) they exclude oxygen from your tissues.


CAM plants store stomata closeup of the door in daytime, hence reducing lose of water. They deserve to do this because they A) resolve CO2 into organic acids throughout the night. B) deal with CO2 right into sugars in the bundle-sheath cells. C) deal with CO2 right into pyruvate in the mesophyll cells. D) usage the enzyme phosphofructokinase, which outcompetes rubisco for CO2. E) use photosystems I and II in ~ night.A


Photorespiration lowers the performance of photosynthesis by staying clear of the formation of A) carbon dioxide molecules. B) 3-phosphoglycerate molecule C) ATP molecules. D) ribulose bisphosphate molecules. E) RuBP carboxylase molecules.


Organisms that have the right to exist with light together an energy source and one inorganic form of carbon and also other life materials

a. Are called photoautotrophs.

b. Execute not exist in nature.

c. Are referred to as heterotrophs.

d. Are finest classified as decomposers.

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e. Both C and D


If photosynthesizing green algae are provided with CO2 synthesized with hefty oxygen (18O), later analysis will display that all however one that the complying with compounds produced by the birds contain the 18O label. That one exception is A) PGA. B) PGAL. C) glucose. D) RuBP. E) O2.


A plant has a unique photosynthetic pigment. The pipeline of this plant appear to be reddish yellow. What wavelengths of clearly shows light room not being took in by this pigment? A) red and also yellow B) blue and also violetC) green and yellow D) blue, green, and red E) green, blue, and violet