Name: Liberty University BIOL 101 Quiz 3 Complete Solutions Correct Answers Key
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Liberty University BIOL 101 quiz 3 Complete Solutions Correct Answers Key
Four different versions
Question 1 Light dependent reactions are carried out both on and in between photosystems. This
process is like the last stage of aerobic respiration in that both
Question 2 In the chloroplast, light dependent reactions take place in the __________________ while
light independent reactions take place in the __________________.
Question 3 When your car engine burns the octane in gasoline, at least 50% of the energy of the
octane
Question 4 The value of the three stages of aerobic respiration is their ability to break down
glucose, a single molecule, with the resultant production of about
Question 5 Enzymes are important because they
Question 6 Accessory pigments and chlorophylls work together within the thylakoid membrane in
clusters called __________ . They harvest light energy and use it to transfer electrons to
_______________.
Question 7 Energyreleasing reactions drive biosynthetic ones forward by contributing to a pool of
Question 8 The energy storage molecule that connects endergonic and exergonic reactions,
driving endergonic reactions forward, is
Question 9 ________ and ________ are products of aerobic respiration.
Question 10 The physicist’s definition of energy is _______________ for use in defining energy
changes within a living cell.
Question 11 The final stage of aerobic respiration involves
Question 12 The cell’s pumping of substances against diffusion forces that would carry those
substances the other way is termed
Question 13 An allosteric enzyme
Question 14 Each wavelength of light has its own

Question 15 The three metabolic pathways that make up aerobic respiration are really all parts of
one larger pathway because
Question 16 Which of the following is not a product of the Krebs cycle?
Question 17 Which of the following phrases best describes the role of NADPH in photosynthesis?
Question 18 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.
Question 19 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?
Question 20 Glucose + _________ + 36 ADP yields _________ + 6H2O + 36 _________.
Question 21 DNA is stored within the ____________ of a cell in a __________ fiber called chromatin.
Question 22 For most chemical reactions in the nonliving world, the energy required to break
bonds in the reactant molecules
Question 23 _________ is a reactant in the process of aerobic respiration and _______ is a product of
the same process.
Question 24 NADPH is formed when
Question 25 Existing chemical bonds between atoms are broken and new ones are formed
between different atoms. This process
For most chemical reactions in the non-living world, the energy required to break bonds in
the reactant molecules
In biosynthesis of a protein, energy for bonding amino acids together comes from
A producer organism is called a “producer” because it produces
Physicists define energy as
Reactants like hydrogen and oxygen molecules and are converted into a product like water
molecules in the course of

Systems that convert energy from one form to another are
In a long metabolic pathway, the multiple changes made to an initial reactant molecule are
entirely controlled by
Energy-releasing reactions drive biosynthetic ones forward by contributing to a pool of
If bacteria can get their energy for life from a single kind of chemical reaction, then that
reaction
An endergonic reaction always
An allosteric enzyme
A useful way for a cell biologist to define energy is
In nature, as energy freely changes from one form to another
On a cold day, your cells depend on ________ to maintain an operating temperature of 37
degrees Celsius.
Whenever chemical bonds are broken, energy is __________. Whenever chemical bonds
form, energy is __________.
Producer organisms convert _______ energy to chemical energy—the energy of C―H and
C―O―H bonds.
Three phosphate groups linked to a ribose sugar which, in turn, is linked to a pyrimidine base
known as adenine: this phrase describes the structure of
An excess amount of product accumulates at the end of a metabolic pathway. The product
then binds to the allosteric site of the first enzyme along the pathway shutting down the
pathway. We call this process
The energy storage molecule that connects endergonic and exergonic reactions, driving
endergonic reactions forward, is
Existing chemical bonds between atoms are broken and new ones are formed between
different atoms. This process
The activation energy of a reaction can be lowered if the reaction is catalyzed by
A single regulatory molecule can shut down multiple metabolic pathways if it is able to
In respiration, chemical energy is transferred from glucose to ATP. The energy transfer
however, is not 100% efficient. In the transfer, some of the energy is lost as
Moving ions across a membrane requires energy when
Which of the following substances would most likely enable a flagellum to drive a bacterium

forward through the medium in which it is swimming?
Metabolic pathways
Glucose gets used up in muscle cells because
Within the cell, useful chemical energy is held in stable form as
In building a protein, when amino acids are to be bonded together
Positively charged protons move freely from one side of the mitochondrial membrane to
If moving ions across a membrane requires energy it is because
To derive energy from an ATP molecule
If the final product of a metabolic pathway begins to build up in excess, the pathway can
often be slowed down by a process called
Light dependent reactions of photosynthesis produce
The wavelengths of light used in photosynthesis are found in the _________ portion of the
electromagnetic spectrum.
When light of the correct wavelength hits a photosynthetic pigment molecule
All of the six carbon atoms in each glucose molecule leave respiration in the form of carbon
dioxide. Most of them leave during which part of aerobic respiration?
Which of the following phrases best describes the role of NADPH in photosynthesis?
In the process of glycolysis one molecule of _______ is converted to two molecules of
__________.
The overall process that uptakes energy-poor molecules (CO2 and H2O) from their reservoirs
in nature and converts them into energy-rich molecules is
The process of aerobic respiration begins with
Photosynthesis and respiration are complementing processes within a global cycle known as
the
Photosynthesis and respiration are complementary processes within
The value of the three stages of aerobic respiration is their ability to break down glucose, a
single molecule, with the resultant production of about
The Krebs cycle’s NADH products are of value because
In photosynthesis, ______ and ______ are used to build_______ and release______.

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Liberty University BIOL 101 Quiz 3 Complete Solutions Correct Answers Key

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