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Midterm Exam Review

Total questions: 160

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

How do enzymes speed up chemical reaction?

a)

Increasing activation energy

b)

Decreasing activation energy

c)

Increasing deactivation energy

d)

Decreasing deactivation energy

2.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
3.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusablility
b)
denaturation
c)
specificity
d)
fragility
4.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
5.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
6.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
7.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
8.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
9.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
10.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
11.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
12.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants 
13.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
14.
Which of these is NOT true?
a)
Enzymes can denature (change shape) when the temperature gets too high.
b)
Enzymes can only be used once in a chemical reaction. 
c)
Extreme pH can denature enzymes.
d)
Enzymes speed up chemical reactions. 
15.
Which of these is most likely an enzyme?  
a)
Sucrose
b)
Galactose
c)
Fructose
d)
Amylase
16.
Which is NOT true?
a)
Enzymes speed up chemical reactions.
b)
Enzymes react best at a specific temperature.
c)
Enzymes only control ONE type of reaction.
d)
Enzymes are made of fatty acids.
17.
What is another name for enzymes?
a)
chemical catalysts
b)
microorganisms
c)
biological catalysts
d)
inorganic catalysts
18.
Babies do not have well developed digestive systems for breaking down proteins; therefore baby food is prepared after treatment with which enzyme? 
a)
protease
b)
lipase
c)
carbohydrase
d)
synthase
19.
The pH at which an enzyme is most efficient is called the _________ pH of an enzyme.
a)
neutral
b)
optimum
c)
minimum
d)
experimental 
20.
The current model of enzyme action is referred to as the...
a)
Induced Fit Model
b)
Lock & Key Model
c)
Singer-Nicolson Model
d)
Davson-Danielli Model
21.
Enzymes speed up reaction rates by changing...
a)
Activation Energy
b)
pH
c)
Hydrogen Bonds
d)
Kinetic Energy
22.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
23.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
24.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
25.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
26.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

27.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
28.
Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?
a)
reducing the number of products   
b)
reducing the activation energy
c)
increasing the temperature of the cell
d)
increasing the concentration of reactants 
29.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
30.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
31.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
32.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
33.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
34.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
35.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
36.

In a chemical reaction, ________ are what you have at the end

a)

Products

b)

Molecules

c)

Reactants

d)

Substances

37.
In a chemical reaction, bonds are broken and new bonds are formed that create new substances. The bonds that are broken are called what?
a)
Reactants
b)
Products
c)
Atoms
d)
Catalysts
38.
Enzymes provide a site where reactants called substrates can be brought together in an enzyme-catalyzed reaction. The site is called the
a)
enzyme substrate complex.
b)
reaction site.
c)
active site.
d)
lock and key.
39.
Chemical reactions always involve
a)
the breaking of bonds in reactants.
b)
the formation of new bonds in products.
c)
the breaking of bonds in reactants and the formation of new bonds in products.
d)
enzymes. 
40.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
41.
Based on the graph, what is the optimal temperature for this enzyme? 
a)
15oC
b)
40oC
c)
30oC
d)
35oC
42.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
43.

How does an enzymes shape relate to its function?

a)

the shape of the enzyme has no relation to its function

b)

the enzyme is shaped specially for certain substrates to perform a specific reaction

c)

the enzyme shape acts as a receptor to certain products

d)

the enzyme shape can fit into specific substrates to cease a reaction

44.

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

a)

puncture

b)

denature

c)

double

d)

delete

45.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
46.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
47.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
48.
Movement across the cell membrane that does not require energy is called
a)
active transport
b)
passive transport
49.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis
50.
Which of these is NOT a type of passive transport?
a)
Endocytosis
b)
Osmosis
c)
Diffusion
d)
Facilitated diffusion
51.
If there is a concentration gradient, substances will move from an area of high concentration to an area of ________ concentration
a)
low
b)
equal
52.
The cell membrane is 
a)
impermeable
b)
selectively (semi)  permeable
53.
A solution that causes a cell to swell is called a 
a)
hypertonic
b)
hypotonic
c)
isotonic
54.
The salt in the glass of saltwater is considered the
a)
solvent
b)
solution 
c)
pepper
d)
solute
55.
This is what type of solution? 
a)
hypotonic
b)
isotonic 
c)
hypertonic
56.
This solution causes cells to shrivel 
a)
isotonic 
b)
hypotonic 
c)
hypertonic 
57.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
58.
A cell in an isotonic solution will
a)
swell
b)
shrink
c)
stay the same size
d)
impossible to tell
59.
This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
a)
vacuole
b)
nucleus
c)
cell membrane
d)
cell wall
60.
Cell membranes are selectively permeable
a)
true
b)
false
61.
Bacteria is what kind of cell?
a)
Eukaryotic
b)
Prokaryotic
62.
All living things are made of...
a)
atoms 
b)
cells 
c)
bacteria 
d)
plants 
63.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
64.
______ make protein for the cell.  
a)
Nuclei
b)
Ribosomes
c)
Endoplasmic reticulum
d)
Vacuoles 
65.

Which is true of prokaryotic and eukaryotic cells?

a)

Prokaryotic cells are larger than eukaryotic cells.

b)

Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

c)

Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

d)

Eukaryotic cells are simpler than prokaryotic cells.

66.
Which of the following would be found in both eukaryotic AND prokaryotic cells?
a)
chloroplast
b)
cytoplasm
c)
nucleus
d)
endoplasmic reticulum
67.
Why is the nucleus important? 
a)
It give the cell its energy
b)
It stores genetic information
c)
It uses sunlight for food
d)
It makes the proteins
68.
Which of the following is an enzyme filled organelle that breaks down waste in the cell?
a)
lysosomes
b)
chloroplast
c)
mitochondria 
d)
Golgi apparatus 
69.

Which organelle in eukaryotic cells is near the nucleus and has ribosomes attached to it

a)

rough ER

b)

smooth ER

c)

golgi apparatus

d)

lysosome

70.

What organelle converts energy from organic molecules to ATP?

a)
Ribosomes
b)
Vesicles
c)
Cytoskeleton
d)
Mitochondria
71.
Vacuole function:
a)
Stores proteins
b)
Digests waste
c)
Stores water (large in plants)
d)
Contains genetic material
72.
What is the function of the cell membrane?
a)
Supports and protects the cell
b)
Controls the cell
c)
Controls what enters and leaves the cell
d)
Metabolic reactions occur here
73.
Prokaryotic and Eukaryotic Cells both have? 
a)
Mitochondria 
b)
Nucleus 
c)
DNA 
d)
Choloropast
74.

Long skinny structures made of protein that help with cell structure/ support

a)

cytoplasm

b)

cytoskeleton

c)

lysosomes

d)

cell membrane

75.
What type of cells have a cell wall and chloroplasts?
a)
Plant cells
b)
Animal cells
c)
Plant and animal cells
d)
Neither plant NOR animal cells
76.

this protects the nucleus

a)

nucleolus

b)

cell membrane

c)

cell wall

d)

nuclear membrane

77.

Collects, processes, and packages proteins for the cell

a)

mitochondria

b)

golgi apparatus

c)

smooth ER

d)

rough ER

78.

Organelles are suspended in this.

a)

nucleus

b)

cytoplasm

c)

golgi body

d)

ribosome

79.

Prokaryotes do NOT have....

a)

membrane bound organelles

b)

DNA or RNA

c)

Cell membrane

d)

Life

80.

Which organelle assists with movement of the cell?

a)

Flagella

b)

Nucleus

c)

Nuclear Membrane

d)

Golgi Apparatus

81.

For the two pyruvates that enter from glycolysis, the Krebs cycles will yield:

a)

1 ATP, 2 NADH, and 1 FADH2

b)

1 ATP, 2 NADH, and 2 FADH2

c)

1 ATP, 3 NADH, and 1 FADH2

d)

2 ATP, 6 NADH, and 2 FADH2

e)

2 ATP, 4 NADH, and 2 FADH2

82.

The initial reaction of the Krebs cycle produces:

a)

Glucose and pyruvate

b)

H2O and CO2

c)

CO2, acetyl-CoA, and NADH

d)

Coenzyme A and NADH

83.

Acetyl-CoA is joined up to a ________________________ to form ________________________.


a)

6 carbon compound; acetate

b)

3 carbon compound; acetyl-CoA

c)

4 carbon compound; acetyl-CoA

d)

4 carbon compound; citric acid

e)

6 carbon compound; citric acid

84.

Where does the Krebs cycle take place?

a)

Cytoplasm

b)

Inner Mitochondrial Membrane

c)

Outer Mitochondrial Membrane

d)

Mitochondrial Matrix

85.

The waste product produced during the Krebs cycle is...

a)

Oxygen

b)

Water

c)

Carbon Dioxide

d)

ATP

86.

True or False: The Krebs cycle anaerobic.

a)

True

b)

False

87.

What part of the cell cycle is considered interphase? Select all that apply.

a)

G1

b)

G2

c)

S

d)

M

88.

Which statement is NOT true about interphase?

a)

It's the longest phase of the cell cycle

b)

During interphase organelles duplicate

c)

During interphase, DNA replicates

d)

During interphase, the chromatin condenses into chromosomes.

89.

What is this picture of?

a)

Chromosomes

b)

Chromatids

c)

Chromatin

d)

Centromeres

90.
During which stage of the cell cycle does mitosis and cytokinesis occur?
a)
Interphase
b)
S phase
c)
M phase
d)
G1 phase
91.
During what phase of the cell cycle does cell division occur?
a)
Interphase
b)
M phase
c)
S phase
d)
G2 phase
92.
How many stages are in mitosis?
a)
1
b)
2
c)
3
d)
4
93.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
94.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
95.
What phase is this cell in?
a)
Cytokinesis
b)
Mitosis
c)
Prophase
d)
Metaphase
96.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Anaphase
d)
Telophase
97.
What phase is this cell in?
a)
Mitosis
b)
Cytokinesis
c)
Prophase
d)
Telophase
98.
What phase is this cell in?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Telophase
99.
What part of the cell cycle is this cell in?
a)
Mitosis
b)
Interphase
c)
Telophase
d)
Cytokinesis
100.
In what phase does chromatin condense to form chromosomes?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Anaphase
101.
In what phase do the chromosomes get pulled apart into sister chromatid to opposite sides of the cell?
a)
Prophase
b)
Interphase
c)
Metaphase
d)
Anaphase
102.
In mitosis, the two resulting cells are
a)
different from the starting cell and identical to each other.
b)
different from the starting cell and different from each other.
c)
identical to the starting cell and different from each other.
d)
identical to the starting cell and identical to each other.
103.
Which of these lists presents the stages of the cell cycle in the correct order?
a)
interphase, mitosis, cytokinesis
b)
cytokinesis, mitosis, interphase
c)
mitosis, interphase, cytokinesis
d)
interphase, cytokinesis, mitosis
104.

Why do cells go through the cell cycle?

a)

growth

b)

repair

c)

reproduction

d)

All of the above

105.

True or False: Mitosis occurs for all cells including sex cells.

a)

True

b)

False

106.

When vesicles REMOVE things from inside of the cell, this is called

a)

endocytosis

b)

exocytosis

c)

deconstruction of the organelle

d)

protein pumping

107.

What is the overall goal of ALL cellular transport?

a)

to make a gradient

b)

to maintain homeostasis

c)

to make the cells shrink

d)

to keep molecules where they are

108.

What characteristic does the cell membrane have that describes it's ability to let some things in and keep other things out of the cell?

a)

selectively permeable

b)

impermeable

c)

controlling

d)

fluid

109.

When water moves across the cell membrane, is energy used?

a)

Yes, it is active transport

b)

Yes, it is passive transport

c)

No, it is active transport

d)

No, it is passive transport

110.

In a hypotonic solution, water will

a)

go INTO the cell

b)

LEAVE the cell

c)

go IN and OUT of the cell

d)

stop moving

111.

Which of the following is NOT a type of passive transport?

a)

Facilitated Diffusion

b)

Diffusion

c)

Osmosis

d)

Molecular (Protein) Pump

112.

Which type of transport does NOT use vesicles and energy?

a)

Facilitated Diffusion

b)

Endocytosis

c)

Exocytosis

113.

Which type of transport does NOT use proteins?

a)

Osmosis

b)

Facilitated Diffusion

c)

Molecular (Protein) Pump

114.

The difference between passive and active transport is that active transport

a)

uses energy

b)

does not use energy

c)

goes from HIGH to LOW

d)

moves molecules randomly

115.

Does facilitated diffusion require energy?

a)

Yes

b)

No

116.

Does endocytosis require energy?

a)

Yes

b)

No

117.

Does osmosis require energy?

a)

Yes

b)

No

118.

Which type of transport moves molecules from an area of HIGH concentration to an area of LOW concentration?

a)

Active

b)

Passive

119.

What type of transport would use the structure shown in the picture?

a)

Facilitated Diffusion

b)

Diffusion

c)

Endocytosis

d)

Molecular (Protein) Pump

120.

What type of transport is this?

a)

Osmosis

b)

Endocytosis

c)

Exocytosis

d)

Protein Pump

121.

The function of the _________________ is to control what enters and exits the cell.

a)

protein

b)

cell membrane

c)

cell wall

d)

mitochondria

122.

The majority of the cell membrane is made up of

a)

lipids

b)

carbohydrates

c)

protein

d)

nucleic acids

123.

The cell membrane forms a boundary between the inside and the outside of the cell. It's job is to

a)

give the cell structure and support

b)

maintain homeostasis

c)

allow all things to enter the cell

d)

not allow anything to enter the cell

124.

If you placed a cell into saltwater, water would move

a)

into the cell

b)

out of the cell

125.

Proteins in the cell membrane allow

a)

only water to enter the cell

b)

the cell to interact with it's environment (surrounding cells)

c)

the cell to attach to other cells

126.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
127.
Glycolysis results in the net gain of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
128.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
129.
Which is not part of the net products of Glycolysis?
a)
2 ATP
b)
2 NADH
c)
2 Pyruvate
d)
2 CO2
130.
Glycolysis occurs during aerobic or anaerobic conditions.
a)
True
b)
False
131.
In the final step of glycolysis ATP is made through the process of:
a)
Substrate Level Phosphorylation
b)
Oxidative Phosphorylation
c)
Photo-Phosphorylation
d)
RedOx Reactions
132.
Which of the following is not a requirement for glycolysis?
a)
Oxygen
b)
ATP
c)
NAD+
d)
Glucose
133.
Which of the following is not a product of glycolysis?
a)
FADH2
b)
NADH
c)
ATP
d)
Pyruvate
134.
The first step in getting energy in the cell by breaking down glucose is known as
a)
the Krebs cycle
b)
electron transport
c)
fermentation
d)
glycolysis
135.
What is the starting molecule for glycolysis?
a)
Glucose
b)
ADP
c)
Oxygen
d)
Pyruvic Acid
136.
Glycolysis requires
a)
ATP
b)
Oxygen
c)
sunlight
d)
NADP+
137.
In glycolysis, glucose is converted into two molecules of _____. 
a)
citric acid
b)
oxaloacetic acid
c)
pyruvic acid
d)
Acetyl CoA
138.
What is Anaerobic Respiration?
a)
process of producing energy without oxygen.
b)
process of producing energy with oxygen.
139.
What is the function of NAD+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
140.
This molecule contains three phosphate groups
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
141.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
142.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
143.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
144.
Which molecule isn't an energy carrier?
a)
FADH2
b)
NADH
c)
oxygen
d)
ATP
145.

The molecule that functions as the oxidizing agent (electron receptor) in a redox or oxidation-reduction reaction _____.

a)

gains electrons and gains potential energy

b)

loses electrons and loses potential energy

c)

gains electrons and loses potential energy

d)

loses electrons and gains potential energy

146.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
147.

Glucose is broken down into pyruvic acid during which process

a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
148.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
149.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
150.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
151.

Which molecule isn't a high energy hydrogen carrier?

a)
FADH2
b)
NADH
c)
oxygen
152.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
153.
The splitting of the glucose molecule is called?
a)
synthesis
b)
denaturalization
c)
glycolysis
d)
dissolving
154.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

155.

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

156.

Each glucose (6C) produces how many pyruvic acid (3C) molecules?

a)

5

b)

2

c)

3

d)

4

157.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
158.

Which of the following do at least one stage of cellular respiration? (Mark all)

a)

plants

b)

animals

c)

bacteria

d)

fungi

159.

What role do NADH and FADH2 (produced during Glycolysis and Kreb's Cycle) play in cellular respiration

a)

they are energy carriers (hydrogen)that use that energy to produce massive amounts of ATP

b)

They are waste products and are pushed out of the cell

c)

They are necessary for long-term energy storage

d)

They don't play any role in cellular respiration

160.

What are the outputs of the Kreb's cycle? (Mark all)

a)

CO2

b)

H2O

c)

ATP

d)

NADH and FADH2

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