BIOL 101 Energy and Information: Quiz 3 – Liberty University
• Question 1
3.2 out of 3.2 points
_________ and _________ are products of aerobic respiration.
Selected Answer:
Carbon dioxide, water
• Question 2
3.2 out of 3.2 points
Existing chemical bonds between atoms are broken and new ones are formed between
different atoms. This process:
Selected Answer:
Is known as a chemical reaction
• Question 3
3.2 out of 3.2 points
In the chloroplast, light dependent reactions take place in the ________, while light
independent reactions take place in the ___________.
Selected Answer:
Thylakoid membrane; stroma
• Question 4
3.2 out of 3.2 points
For most chemical reactions in the non-living world, the energy required to break
bonds in the reactant molecules.
Selected Answer:
a) and b) above (i.e., is called the activation energy and is simply not present)
• Question 5
3.2 out of 3.2 points
Light dependent reactions of photosynthesis produce:
Selected Answer:
Oxygen, NADPH, and ATP
BIOL 101 Energy and Information: Quiz 3 – Liberty University
• Question 6
3.2 out of 3.2 points
___________ organisms build their own energy-rich molecules using solar energy.
Selected Answer:
Autotrophic
• Question 7
3.2 out of 3.2 points
Griffith exposed weak living bacteria to just the fluids from dead virulent bacteria.
Some of these weak bacteria became virulent and could now kill mice. What control
experiment did he do to argue that his weak bacteria changed to virulence in these
studies?
Selected Answer:
He injected heat-killed virulent bacterial fluids into a mouse to make sure the mouse
would survive.
• Question 8
3.2 out of 3.2 points
The Krebs cycle’s NADH products are of value because:
Selected Answer:
They can power ATP formation in the electron transfer system
• Question 9
3.2 out of 3.2 points
Energy-releasing reactions drive biosynthetic ones forward by contributing to a
pool of:
Selected Answer:
ATP molecules
• Question 10
3.2 out of 3.2 points
BIOL 101 Energy and Information: Quiz 3 – Liberty University
In photosynthesis, _________ and _________ are used to build _________ and release
__________.
Selected Answer:
Carbon dioxide, water, sugar, oxygen
• Question 11
3.2 out of 3.2 points
A lit match cannot continue to burn when the wood of the match stick is consumed.
This statement illustrates the more general principle that:
Selected Answer:
Energy forms are freely convertible, but energy can’t be created or destroyed
• Question 12
3.2 out of 3.2 points
In the process of __________, three interrelated, exergonic pathways and oxygen are
used to ingenerate large amounts of ATP from glucose molecules.
Selected Answer:
Aerobic respiration
• Question 13
3.2 out of 3.2 points
Which of the following is neither a reactant nor a product of glycolysis?
Selected Answer:
Carbon dioxide
• Question 14
3.2 out of 3.2 points
The activation energy of a reaction can be lowered if the reaction is catalyzed by:
Selected Answer:
An enzyme
• Question 15
3.2 out of 3.2 points
BIOL 101 Energy and Information: Quiz 3 – Liberty University
An ATP molecule carries potential energy in the easily broken bond
Selected Answer:
Between the last two phosphate groups
• Question 16
3.2 out of 3.2 points
Energy supplied to break bonds in reactant molecules is known as:
Selected Answer:
Activation energy
• Question 17
3.2 out of 3.2 points
The process of _______ can be defined as about 30 individual, sequential chemical
reactions that form three metabolic pathways: one in the cytoplasm and two within the
mitochondrion.
Selected Answer:
Aerobic respiration
• Question 18
3.2 out of 3.2 points
Which of the following phrases best describes the role of NADPH in photosynthesis?
Selected Answer:
It carries electrons from one stage of photosynthesis to the other
• Question 19
3.2 out of 3.2 points
Accessory pigments enable the chloroplast to:
Selected Answer:
Absorb and thus use a wider range of wavelengths of light
BIOL 101 Energy and Information: Quiz 3 – Liberty University
• Question 20
3.2 out of 3.2 points
Which of the following is not a product of the Krebs cycle?
Selected Answer:
NAD
• Question 21
3.2 out of 3.2 points
Plants are considered autotrophic because their cells contain:
Selected Answer:
Chlorophylls
• Question 22
3.2 out of 3.2 points
The most valuable product, energetically, of electron transfer phosphorylation is:
Selected Answer:
ATP
• Question 23
3.2 out of 3.2 points
Enzymes are important because they:
Selected Answer:
All of the above (i.e., precisely bind specific reactant molecules that are the correct
shape, specify which bonds will be broken in the reactant molecule, put stress on a
bond to be broken, lower activation energies so reactions can go forward at cellular
temperatures)
• Question 24
3.2 out of 3.2 points
__________ is a reactant in the process of aerobic respiration and _________ is a
product of the same process.
BIOL 101 Energy and Information: Quiz 3 – Liberty University
Selected Answer:
Glucose, water
• Question 25
3.2 out of 3.2 points
Accessory pigments and chlorophylls work together within the thylakoid membrane
in clusters called ________. They harvest light energy and use it to transfer electrons
to _______.
Selected Answer:
Photosystems; quinone molecules
