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bio test 3

Total questions: 141

Worksheet time: 3hrs 35mins

Name
Class
Date
1.

What is the purpose of antennae (i.e collection of pigments) located in the photosystem?

a)

Produces CO2

b)

Eliminates excess O2

c)

Passes the electron out of the photosystem

d)

Absorbs light energy

e)

Produces glucose

2.

Which of the following is true regarding the first stable molecule produced by this process?

a)

Is called glucose

b)

Has 3 carbons

c)

Is called citrate

d)

Is the same as the last molecule produced

e)

A type of enzyme

3.

Which of the following is indicating G3P (PGAL)?

a)

B

b)

C

c)

AB

d)

A

e)

AC

4.

The energy required to perform these reactions is provided by

a)

G3P(PGAL)

b)

Glucose and ATP

c)

NADH and FADH2

d)

ATP and NADPH

e)

ATP

5.

Which of the following is produced during the linear pathway?

a)

1 ATP: 1 NADPH

b)

ATP only

c)

1 NADPH: 5 RuBP

d)

2 ATP : 1 glucose

e)

NADPH only

6.

Under water stress, plants will close their stomata which limits their access to

a)

Light

b)

Glucose

c)

Water

d)

RuBisCo

e)

CO2

7.

During the cyclic pathway, the electron is passed from the photosystem back to the proton pump. Which of the following is the proton pump?

a)

D

b)

AD

c)

AC

d)

AB

e)

C

8.

Which of the following are the products of photosynthesis?

a)

C6H12O6+O2

b)

CO2+H2O+ Light E

c)

Pyruvate +NADH+ ATP

d)

ATP+ NADH+O2

e)

ATP+NADPH+CO2

9.

CAM plants divide up photosynthesis by

a)

Time of year- light reactions in the spring and summer, Calvin cycle in the fall

b)

Location- many cells for the light reactions, a few specialized cells for the Calvin cycle

c)

Time of day- photosynthesis during the day, gas exchange at night

d)

Location- light reactions in the chloroplast, Calvin cycle in the vacuole

e)

Time of day- light reactions during the day, the Calvin cycle at night

10.

Which of the following is Not true regarding C4 plants?

a)

Light reactions occur in many cells

b)

Calvin cycle only occurs in speacialized cells

c)

Perform photosynthesis during the day

d)

Seen in corn, surgar cane, sorghum

e)

Store CO2 in the vacuole

11.

Which equation best describes what occurs during the Calvin cycle?

a)

H2O+ light “ ATP+NADPH+O2

b)

ATP+NADPH+CO2 “ Glucose

c)

Glucose+O2 “CO2+H20+energy

d)

Glucose+ATP”acetyl CoA+ ATP+NADH

e)

CO2+H2O+light”glucose+O2

12.

Which of the followign plant structures are used to increase surface area needed for light energy capture?

a)

Leaves

b)

Stomata

c)

Stems

d)

Roots

13.

Which of the following is not true of a Z scheme diagram?

a)

Shows the cyclic and linear pathway

b)

The height of the Z indicates the energy level

c)

Shows the linear pathway

d)

The arrows show the path of the electron

e)

Depicts the light reactions

14.

Where does carbon fixation occur?

a)

C

b)

E

c)

B

d)

D

e)

A

15.

Which of the following gets pumped across the membrane?

a)

H+

b)

Cl-

c)

e-

d)

N2

e)

O2

16.

Which of the following is pointing to the cytochrome complex(H+pump)?

a)

AB

b)

C

c)

A

d)

AD

e)

D

17.

Which of the following is indicating a granum?

a)

B

b)

E

c)

AB

d)

D

e)

C

18.

Which of the following is not true regarding photosystems?

a)

Have a reaction center (specialized chlorophyll a)

b)

They are involved in the Calvin cycle

c)

Have an antenna made up of pigments

d)

There are 2 diffrent types(PSI and PSII)

e)

Located in the thylakoid membrane

19.

What kind of plants would perform photorespiration?

a)

C3 plants (i.e. roses, daisies,tomatoes)

b)

C4 grasses (i.e. corn,sugarcane,bermudagrass)

c)

Cacti

d)

Succulents

e)

Aquatic plants

20.

Which of the following is indicating NADPH?

a)

E

b)

AC

c)

B

d)

AE

e)

A

21.

Where would you find RuBP?

a)

B

b)

D

c)

AB

d)

C

e)

E

22.

Where does the Calvin cycle occur?

a)

B

b)

AB

c)

D

d)

E

e)

C

23.

The process of converting inorganic carbon into an organic form is called

a)

Cellular respiration

b)

Fermentation

c)

Carboxylation

d)

Carbon fixation

24.

During the light reactions, the electron continues to lose usable energy, this is an example of

a)

Useable energy

b)

Entropy

c)

Kinetic energy

d)

Potential energy

25.

A(n)______ makes reactions more likely by lowering the activation energy.

a)

Isotope

b)

Receptor

c)

Buffer

d)

Enzyme

e)

Isomer

26.

Which of these is the substrate(s)?

a)

A

b)

B

c)

C

d)

D

27.

Which of the following is an organic molecule, usually a vitamin, that helps an enzyme function?

a)

Allosteric site

b)

Active site

c)

Cofactor

d)

Substrate complex

e)

Coenzyme

28.

Which of the following best descibes this reaction?

a)

Redox

b)

Anabolic

c)

Exergonic

d)

Catabolic

e)

Hydrolysis

29.

In enzymatic reactions, the substrates are the starting material(s)

a)

False

b)

True

30.

Which of the following would negatively impact an enzyme’s function?

a)

Low temperature

b)

Lowering the pH

c)

Really high temperature

d)

All of the above

e)

Increased salinity(saltiness)

31.

A chemical gradient is an example of

a)

Thermal energy

b)

Radiant energy

c)

Kinetic energy

d)

Entropy

e)

Potential energy

32.

Which type of reaction requires an energy input and results in energy being stored in its product?

a)

Catabolic reaction

b)

Redox reaction

c)

Kinetic reaction

d)

Anabolic reaction

e)

Potential reaction

33.

Which of these is the active site?

a)

A

b)

B

c)

C

d)

D

e)

E

34.

Active transport can occur

a)

With carriers only

b)

With channels only

c)

With both channels and carriers

d)

Without a protein

35.

What would happen if you were to drink a large amount of sea water? Your cells would _____ and _____.

a)

Lose water, experience crenation

b)

Gain water, become turgid

c)

Gain water, eventually lyse

d)

Lose water, plasmolysis

e)

Gain water, displace necessary organelles

36.

Which of the following uses light to observe cells,tissues,and some large organelles?

a)

Dissecting microscope

b)

Scanning electron microscope

c)

Transmission electron microscope

d)

Scanning tunneling microscope

e)

Compound microscope

37.

Molecule e is described as

a)

Hydrophilic

b)

Acidic

c)

Amphipathic

d)

Hydrophobic

38.

The earliest known fossils are all ocean dwelling organisms. Which of the following is the best explanation for why this occured?

a)

These was excess amounts of O2 which was toxic to these organisms

b)

They were all anaerobic

c)

There was no ozone layer to deflect UV rays

d)

There was no land

e)

The only animals

39.

Which of the following is not true regarding the endomembrane system?

a)

An organelle in this system can make its own proteins and replicate itslef

b)

Derived from infolding of the plasma membrane

c)

Members of the system are interconnected

d)

Not seen in bacteria

e)

Members of the system are interconnected

40.

Fermentation occurs in the absence of

a)

Glucose

b)

ADP

c)

CO2

d)

O2

e)

Water

41.

How many CO2 molecules are released during the oxidation of pyruvate?

a)

0

b)

1

c)

2

d)

3

42.

Where does the krebs (citric acid) cycle occur?

a)

A

b)

C

c)

B

d)

D

e)

E

43.

Glycerol backbones enter aerobic respiration during

a)

Calvin cycle

b)

ETC

c)

Krebs(citric acid) cycle

d)

Glycolysis

44.

Which of the following is not true regarding the process pictured to the right?

a)

Used for commercial alcohol production

b)

Occurs in yeast cells

c)

Produces CO2 as a byproduct

d)

Breaks down glucose via the krebs cycle

45.

Which of the following statements about cellular respiration is not true?

a)

The goal is to release energy from food and transfer this energy to ATP

b)

Can only use glucose molecules as fuel

c)

Aerobic respiration requires oxygen

d)

The first step of cell respiration occurs in the cytosol and steps 2-4 occur in the mitochondria

46.

Which of the following is NADH?

a)

E

b)

A

c)

C

d)

B

47.

Which of the following is indicating oxaloacetate?

a)

D

b)

AD

c)

B

d)

A

48.

Which of the following is indicating the cytosol?

a)

A

b)

C

c)

B

d)

D

e)

E

49.

How many ATPs are produced during this process?

a)

4

b)

26-28

c)

0

d)

14-16

50.

Which of the following is indicating the matrix?

a)

AD

b)

BC

c)

BD

d)

AE

51.

Which of the following best describes cellular (aerobic) respiration?

a)

H2O+Light E——>ATP+ NADPH+O2

b)

CO2+H2O +Light E——-> C6H12O6+ O2

c)

C6H1206—-> pyruvate + NADH+ ATP

d)

C6H1206+O2——> CO2+ H2O + ATP

52.

All of the following oump H+ against the gradient EXCEPT

a)

E

b)

A

c)

C

d)

Ac

53.

The process of chemiosmosis involves the creation of which product?

a)

D

b)

AD

c)

A

d)

E

54.

Indicate the protein where this step (final acceptor) would occur.

a)

AB

b)

E

c)

AD

d)

D

55.

Which of the following is pointing to the protein complex lll?

a)

AD

b)

AC

c)

E

d)

AB

56.

Where would you find the protiens associated with the electron transport chain?

a)

C

b)

B

c)

AB

d)

D

57.

Which of the following is not true regrding the oxidation of pyruvate?

a)

Requires pyruvate dehydrogenase

b)

Pyruvate is the starting material

c)

Oxaloacetate must be regenerated

d)

Produces acetyl CoA,CO2,and NADH

58.

Which of the following is indicating the pryruvate?

a)

AD

b)

A

c)

D

d)

E

e)

C

59.

Polysaccharides enter aerobic repiration during

a)

Calvin cycle

b)

Oxidation of pyruvate

c)

Kerbs ( citric acid ) cycle

d)

ETC

e)

Glycolysis

60.

What is produced during the krebs( citric acid) cycle?

a)

26-28 ATP

b)

1 ATP, 1 NADPH

c)

4 CO2,6 NADH, 2 ATP, 2 FADH2

d)

2 acetyl CoA, 2 CO2, 2 NADH

e)

2 ATP, 2 NADH, 2 pyruvate

61.

Which of the following is the citrate molecule?

a)

B

b)

AD

c)

AB

d)

D

e)

A

62.

What is produced during the oxidation of pyruvate?

a)

Oxaloacetate

b)

RuBP

c)

Pyruvate

d)

Citrate

e)

Acetyl CoA

63.

The goal of cellular respiration is the producation of

a)

ATP

b)

Protiens

c)

CO2

d)

mRNA

64.

Which of the following is indicating the matrix

a)

A

b)

C

c)

B

d)

D

e)

E

65.

Where does fermentation occur?

a)

A

b)

C

c)

B

d)

E

66.

Particles passively move against a gradient going from an area of lower concentration to an area of higher concentration.

a)

FALSE

b)

TRUE

67.

What is the end product produced by this process?

a)

ATP only

b)

2 acetyl CoA, 2 CO2 , 2 NADH

c)

6 NADH,2 FADH2, 2 GTP,4 CO2

d)

1 ATP, 1 NADPH

e)

2 pyruvate, 4 ATP, 2 NADH

68.

The transition from GTP to ATP is the result of

a)

Losing an extra pentose sugar

b)

Swapping of nitrogenous bases

c)

Modification of the nitrogenous base

d)

Transferring a phosphate group to ADP

69.

Which of the following is not true regarding ethanol fermentation?

a)

Undergoes glycolysis prior to

b)

Releases CO2 as a byproduct

c)

Occurs in yeast cells

d)

Uses pyruvate to produce ethanol

e)

Requires O2

70.

Proton pumps create H+ gradients. These gradients act as a form of _______ energy.

a)

Intermediate

b)

Potential

c)

Mitochondiral

d)

Kinetic

71.

Which of the following are produced by the citric acid cycle?

a)

ATP only

b)

6 NADH, 2 FADH2, 2 GTP, 4 CO2

c)

1 ATP, 1 NADPH

d)

2 acetyl CoA, 2 CO2, 2 NADH

72.

What is the likelihood that H+ could cross a membrane without the assistance of a protein(i.e. its permeability)?

a)

Low

b)

High

c)

Moderate

d)

Very low

73.

Phase 3 is also known as

a)

Calvin cycle

b)

Glycolysis

c)

Energy liberation

d)

Oxidation of pyruvate

e)

Electron transport chain

74.

The purpose of a fermentation reaction is to recycle

a)

ATP to ADP

b)

Glucose to CO2

c)

Triglycerides to fatty acids

d)

NADH to NAD+

75.

In cellular respiration, what acts as the final electron acceptor?

a)

NO3

b)

CO2

c)

O2

d)

H2O

76.

Which of the following is indicating a H+?

a)

E

b)

D

c)

A

d)

B

77.

What is the name of this process?

a)

Oxidation of pyruvate

b)

Glycolysis

c)

Cyclic pathway

d)

Krebs cycle

78.

Which of the following is G3P?

a)

B

b)

A

c)

E

d)

D

79.

Whats the name of this process?

a)

Krebs cycle

b)

Glycolysis

c)

Calvin cycle

d)

Cyclic pathway

80.

Where does this process occur?

a)

Lumen

b)

Stroma

c)

Inner membrane

d)

Intermembrane space

81.

Which of the following is indicating glucose?

a)

C

b)

AB

c)

AC

d)

A

82.

Photosynthesis is performed by all of the following EXCEPT

a)

Algae

b)

Cyanobacteria

c)

Mushrooms

d)

Plants

83.

Which of the following is the lumen?

a)

D

b)

B

c)

E

d)

AB

84.

Carob fixation is the transition from inorganic to organic carbon.

a)

FALSE

b)

TRUE

85.

Which of the following is pointing to the thylakoid?

a)

A

b)

D

c)

E

d)

B

86.

Which environmental factor does not lead to modifications of the photosynthetic process?

a)

Abundant water

b)

Water limitation

c)

Light intensity

d)

CO2 limitation

87.

Which of the following is pointing to PSII?

a)

C

b)

AD

c)

E

d)

AC

88.

Which phtosystem is used during the cyclic pathway?

a)

AD

b)

AC

c)

AB

d)

C

89.

Where do animals obtain their organic molecules?

a)

Water

b)

By performing photosynthesis

c)

From their food

d)

From sunlight

90.

Where would you find the highest concentration of glucose?

a)

B

b)

AB

c)

D

d)

E

91.

Which of the following is not an important product of photosynthesis?

a)

Organic carbon source (=glucose)

b)

Energy stored in a chemical form (=glucose)

c)

O2

d)

NADH and FADH2 (=e-carriers)

92.

A C3 plant is suffering from water loss. It closes its stomata and starts breaking down its own molecules to form CO2. What is this process called?

a)

Photorespiration

b)

Fermentation

c)

CAM

d)

C4

93.

Under what conditions do plants become CO2 limited?

a)

Cold and humid

b)

Cold and wet

c)

Cold and cloudy

d)

Hot and dry

94.

Where are enzymes located in the cell?

a)

They are all housed in the nucleus

b)

They are all housed in the Golgi body

c)

They aren’t inside cells

d)

They are located where they work

95.

Enzymes work by _____ the activation energy.

a)

Extending

b)

Eliminating

c)

Lowering

d)

Delaying

96.

Which of the following best describes this reaction?

a)

Anabolic

b)

Catabolic

c)

Redox

d)

Hydrolysis

97.

Which of the following is an inorganic molecule or atom(i.e zinc) that helps an enzyme function?

a)

Substrate complex

b)

Allosteric siter

c)

Cofactor

d)

Active site

98.

Which type of reaction often releases energy from the bonds of the substrate ?

a)

Kinetic reaction

b)

Potential reaction

c)

Redox reaction

d)

Catabolic reaction

99.

Glucose is an example of

a)

Entropy

b)

Potential energy

c)

Kinetic energy

d)

Radiant energy

100.

Which of these is the enzyme-substrate complex?

a)

A

b)

B

c)

C

d)

D

101.

Which of these is the enzyme?

a)

A

b)

B

c)

C

d)

D

102.

In the following equation, H=G+TS,T represents total energy.

a)

True

b)

False

103.

During the light reactions,light energy is transferred to an electron (chemical energy) . This is an example of

a)

1st law of thermodynamics

b)

Entropy

c)

3rd law of thermodynamics

d)

2nd law of thermodynamics

104.

Enzymes are a type of

a)

Nucleic acid

b)

Triglyceride

c)

Protien

d)

Phospholipid

105.

Which of the following is not true regarding redox reactions?

a)

A neutron is moved from one molecule to another

b)

The reducing agent donates an electron

c)

The oxidation atom becomes less negative

d)

The reduced atom becomes more negative

106.

Which of the following is being passed from protien to protien down to the membrane?

a)

N2

b)

e-

c)

H+

d)

Cl-

107.

Which of the following is responsible for the production of ATP?

a)

AC

b)

A

c)

B

d)

E

e)

AD

108.

Which of the following is pointing to the protien complex IV?

a)

A

b)

C

c)

B

d)

E

e)

AD

109.

Which enzyme oxidizes NADH?

a)

A

b)

AB

c)

D

d)

C

110.

The six carbons that make up glucose are broken down to_____ during the ______.

a)

CO2,electron transport chain

b)

CO2, oxidation of pyruvate and citric acid cycle

c)

CO2, Calvin cycle and glycolysis

d)

CO, light reactions

111.

Where does glycolysis occur?

a)

C

b)

E

c)

A

d)

B

e)

AB

112.

What are the products of aerobic respiration?

a)

H2O + Light E

b)

Pyruvate +NADH +ATP

c)

C6H1206+O2

d)

CO2+H20+ATP

e)

ATP+NADPH+CO2

113.

Where does the ETC occur?

a)

A

b)

C

c)

B

d)

D

e)

E

114.

This process is occuring in the

a)

Rough ER

b)

Nucleus

c)

Mitochondria

d)

Chloroplast

e)

Cytosol

115.

Which of the following is the starting point of the light reaction cyclic pathway?

a)

PSI

b)

PSII

c)

ATP synthase

d)

Cytochrome oxidase

116.

Which of the following is pointing to the stroma?

a)

B

b)

A

c)

D

d)

C

117.

During the light reactions, light energy is used to

a)

Energize electrons

b)

Convert choleterol into vitamin D

c)

Create CO2

d)

Move water across the membrane

118.

What is the purpose of the antennae located in the photosystem?

a)

Absorbs light energy

b)

Produces glucose

c)

Produces CO2

d)

Absorbs light energy

119.

Which of the following is indicating NADPH?

a)

E

b)

AE

c)

AC

d)

A

e)

B

120.

Which of the following are the reactants of photosynthesis?

a)

CO2+H2O+Light E

b)

ATP+NADPH+CO2

c)

ATP+NADPH+O2

d)

Pyruvate+NADH+ATP

121.

Which plant organ is specialized for performing photosynthesis?

a)

Leaves

b)

Roots

c)

Fruits

d)

Flowers

e)

Stems

122.

Which of the following is indicating the lumen?

a)

AB

b)

C

c)

B

d)

A

e)

E

123.

What two products are produced during the Calvin cycle

a)

Glucose and ATP

b)

H2O and RuBisCo

c)

H+ and ATP

d)

NADPH and ATP

124.

If a plant lacked the abililty to produces thylakoids,which process would be impacted?

a)

Cellular respiration

b)

Fermentation

c)

Light reactions

d)

Gene expression

125.

What happenes to the enzyme at the end of a chemical reaction?

a)

It acts as a competitive inhibitor for other enzymes

b)

It is broken down and used for amino acids

c)

It is ready to perform the same reaction again

d)

It is broken and used for energy

e)

It becomes part of the product

126.

Which of the following best describes this reaction?

a)

Endergonic

b)

Dehydration

c)

Catabolic

d)

Anabolic

e)

Redox

127.

Which of these is the allosteric site?

a)

A

b)

B

c)

C

d)

D

e)

E

128.

During a reaction, an electron is transferred from molecule A to molecule B. This is an example of an

a)

Redox reaction

b)

Potential reaction

c)

Catabolic reaction

d)

Redox reaction

129.

Which of the following are CAM plants?

a)

Aquatic plants

b)

Cacti and succulents

c)

C3 plants (i.e roses, daises, tomatoes)

d)

C4 grasses (i.e corn,sugarcane,bermudgrass)

e)

Carnivorous plants

130.

Where would you find the photosystems?

a)

A

b)

B

c)

C

d)

AC

e)

AB

131.

The molecule that is replenshied at the end of each cycle is a compound called malate

a)

TRUE

b)

FALSE

132.

Which of the following not true regarding photosystems?

a)

PSII spits water and performs linear pathway

b)

Have an antennae made up of pigments

c)

A reaction center that can pass off an electron

d)

PSI that performs the cyclic pathway

e)

Located in the thylakoid

133.

Which equation best describes what occurs during light reactions?

a)

CO2+H2O+light” glucose +O2

b)

Glucose +O2”CO2+H2O+energy

c)

H2O+light”ATP+NADPH+O2

d)

Glucose+ATP”acetyl CoA+ATP+NADH

134.

What is the end product produced by this process?

a)

ATP only

b)

2 acetyl CoA, 2 CO2, 2 NADH

c)

1 ATP , 1 NADPH ,O2

d)

6 NADH,2FADH,2 GTP,4 CO2

e)

2 pyruvate,4 ATP , 2NADH

135.

Which of the following is produced during the cyclic pathway?

a)

1 ATP : 1 NADPH

b)

ATP only

c)

2 ATP : 1 glucose

d)

1 NADPH : 5 RuBP

136.

Which of the following are the reactants of photosynthesis?

a)

C6H1206+O2

b)

Pryuvate +NADH +ATP

c)

ATP + NADPH +CO2

d)

CO2 +H2O +Light E

137.

Which of the following is the inner membrane?

a)

AB

b)

C

c)

A

d)

B

e)

E

138.

Fatty acids enter aerobic resperation during

a)

Glycolysis

b)

Krebs (citric acid ) cycle

c)

ETC

d)

oxidation of pyruvate

e)

Calvin cycle

139.

Which of the following is pointing to the cristae?

a)

B

b)

AB

c)

E

d)

A

140.

Oxidation of pyruvate is catabolic reaction.

a)

TRUE

b)

FALSE

141.

Which of the following is not a stage of cellular respiration?

a)

Calvin cycle

b)

Electron transport chain

c)

Oxidation of pyruvate

d)

Krebs (citric acid) cycle