Which energy association is correct?
Potential energy must be used immediately or it is lost.
Energy in the chemical bonds of a molecule is kinetic energy.
Kinetic energy is energy of motion.
Light energy is a form of chemical energy.
Which energy association is correct?
Potential energy must be used immediately or it is lost.
Energy in the chemical bonds of a molecule is kinetic energy.
Kinetic energy is energy of motion.
Light energy is a form of chemical energy.
Which of the following events does not take place in the light reactions of photosynthesis?
Generation of NADPH from NADP+
Generation of ATP from ADP and Pi
Generation/production of Glucose from CO2 and water
Splitting of water releasing oxygen
Which of the following events does not take place in the light reactions of photosynthesis?
Generation of NADPH from NADP+
Generation of ATP from ADP and Pi
Generation/production of Glucose from CO2 and water
Splitting of water releasing oxygen
Which statement most accurately describes the first law of thermodynamics?
Energy cannot be created or destroyed but it can be changed from one form to another.
Energy can be transformed and then destroyed.
Energy can be created or destroyed but not changed from one form to another.
Energy cannot be transformed.
Which statement most accurately describes the first law of thermodynamics?
Energy cannot be created or destroyed but it can be changed from one form to another.
Energy can be transformed and then destroyed.
Energy can be created or destroyed but not changed from one form to another.
Energy cannot be transformed.
What happens to energy transformed from one form into another?
It can be transformed or transferred with 100% efficiency.
It can be created or destroyed.
It will always be utilized without any loss.
It will never be 100% efficient.
What happens to energy transformed from one form into another?
It can be transformed or transferred with 100% efficiency.
It can be created or destroyed.
It will always be utilized without any loss.
It will never be 100% efficient.
What is the ultimate source of energy for the majority of organisms on Earth?
The wind
The Sun
Moving water
The Moon
Natural deposits of fossil fuel
What is the ultimate source of energy for the majority of organisms on Earth?
The wind
The Sun
Moving water
The Moon
Natural deposits of fossil fuel
During an enzymatic reaction, what happens to the enzyme?
It is depleted.
The enzyme and the substrate form a temporary complex (induced fit)
It becomes the substrate.
It becomes the product.
During an enzymatic reaction, what happens to the enzyme?
It is depleted.
The enzyme and the substrate form a temporary complex (induced fit)
It becomes the substrate.
It becomes the product.
Which of the following molecules is an enzyme?
maltose
collagenase
hydrocarbonic
lactate
Which of the following molecules is an enzyme?
maltose
collagenase
hydrocarbonic
lactate
Enzymes have 'specificity.' What does this mean?
have a preferred temperature
have a preferred pH
they have a particular substrate
are only in certain cells
Enzymes have 'specificity.' What does this mean?
have a preferred temperature
have a preferred pH
they have a particular substrate
are only in certain cells
Which is true about energy of activation?
It's the difference between stored energy of reactant and product
Adding the correct enzyme can lower the energy of activation
Measured as the energy released after a reaction occurs
All steps in a metabolic pathway have the same energy of activation
Which is true about energy of activation?
It's the difference between stored energy of reactant and product
Adding the correct enzyme can lower the energy of activation
Measured as the energy released after a reaction occurs
All steps in a metabolic pathway have the same energy of activation
ATP contains what?
amino acid arginine, a ribose sugar, and three phosphate groups
adenine base, a ribose sugar, and three phosphate groups
adenine base and three phosphate groups
adenine base and one phosphate group
ATP contains what?
amino acid arginine, a ribose sugar, and three phosphate groups
adenine base, a ribose sugar, and three phosphate groups
adenine base and three phosphate groups
adenine base and one phosphate group
In a coupled reaction, what occurs?
one product is split to form two products
some of the energy released in one reaction is used to drive another reaction forward
all energy released in one reaction is used to stop another
two reactants are combined to form a product
In a coupled reaction, what occurs?
one product is split to form two products
some of the energy released in one reaction is used to drive another reaction forward
all energy released in one reaction is used to stop another
two reactants are combined to form a product
In the metabolic pathway A → B → C → D → E, what does E represent?
the catalyst
the endpoint of the pathway
the enzyme
the substrate
In the metabolic pathway A → B → C → D → E, what does E represent?
the catalyst
the endpoint of the pathway
the enzyme
the substrate
What does the letter C represent in the metabolic pathway A → B → C → D → E?
end substrate
an end product
energy
an intermediate
What does the letter C represent in the metabolic pathway A → B → C → D → E?
end substrate
an end product
energy
an intermediate
What is the function of an enzyme?
provide the energy for metabolic reactions.
increase the speed of a metabolic reaction.
change the direction of metabolic reactions.
raise the energy of activation for a reaction.
What is the function of an enzyme?
provide the energy for metabolic reactions.
increase the speed of a metabolic reaction.
change the direction of metabolic reactions.
raise the energy of activation for a reaction.
Which reaction is NOT part of the aerobic cellular respiration pathway?
glycolysis
citric acid cycle/Kreb's cycle
Calvin Benson cycle
electron transport chain
Which reaction is NOT part of the aerobic cellular respiration pathway?
glycolysis
citric acid cycle/Kreb's cycle
Calvin Benson cycle
electron transport chain
What cellular process is represented by the equation C6H12O6 + 6O2 → 38 ATP + 6CO2 + 6H2O?
Electron Transport System
Calvin Benson Cycle
Aerobic Cellular Respiration
Anaerobic Cellular Respiration
What cellular process is represented by the equation C6H12O6 + 6O2 → 38 ATP + 6CO2 + 6H2O?
Electron Transport System
Calvin Benson Cycle
Aerobic Cellular Respiration
Anaerobic Cellular Respiration
What role does NAD+ play in cellular respiration?
It stores energy.
It acts as a carbon source.
It provides the oxygen.
It aids in photosynthesis.
What role does NAD+ play in cellular respiration?
It stores energy.
It acts as a carbon source.
It provides the oxygen.
It aids in photosynthesis.
Which pathway of aerobic cellular respiration produces the majority of ATP?
glycolysis
electron transport system (ETS)
preparatory reaction (prep)
citric acid cycle
Which pathway of aerobic cellular respiration produces the majority of ATP?
glycolysis
electron transport system (ETS)
preparatory reaction (prep)
citric acid cycle
What is the correct order of phases in cellular respiration?
Kreb's cycle, prep reaction, glycolysis, electron transport chain
electron transport chain, glycolysis, prep reaction, Kreb's cycle
glycolysis, prep reaction, Kreb's cycle, electron transport chain
prep reaction, glycolysis, electron transport chain, Kreb's cycle
What is the correct order of phases in cellular respiration?
Kreb's cycle, prep reaction, glycolysis, electron transport chain
electron transport chain, glycolysis, prep reaction, Kreb's cycle
glycolysis, prep reaction, Kreb's cycle, electron transport chain
prep reaction, glycolysis, electron transport chain, Kreb's cycle
Which statement about glycolysis is true?
Glycolysis is a cyclical reaction that takes place in the mitochondrion.
Glycolysis occurs twice per glucose molecule in the cytoplasm.
Glycolysis breaks glucose down to two pyruvate molecules in the cytoplasm.
Glycolysis results in the release of oxygen when taking place in the mitochondria.
Which statement about glycolysis is true?
Glycolysis is a cyclical reaction that takes place in the mitochondrion.
Glycolysis occurs twice per glucose molecule in the cytoplasm.
Glycolysis breaks glucose down to two pyruvate molecules in the cytoplasm.
Glycolysis results in the release of oxygen when taking place in the mitochondria.
What is a likely side effect of a drug that significantly inhibits the synthesis of NADH and FADH2?
tiredness/fatigue
headache
insomnia
hyperactivity
What is a likely side effect of a drug that significantly inhibits the synthesis of NADH and FADH2?
tiredness/fatigue
headache
insomnia
hyperactivity
What happens to the end products of glycolysis when oxygen is not available?
The products of glycolysis enter the preparatory reaction and then proceed on to the Kreb's cycle.
The products of glycolysis skip the preparatory reaction and the Kreb's cycle and go directly to the electron transport chain.
What happens to the end products of glycolysis when oxygen is not available?
The products of glycolysis enter the preparatory reaction and then proceed on to the Kreb's cycle.
The products of glycolysis skip the preparatory reaction and the Kreb's cycle and go directly to the electron transport chain.
Which energy association is correct?
Potential energy must be used immediately or it is lost.
Energy in the chemical bonds of a molecule is kinetic energy.
Kinetic energy is energy of motion.
Light energy is a form of chemical energy.
Which of the following events does not take place in the light reactions of photosynthesis?
Generation of NADPH from NADP+
Generation/production of Glucose from CO2 and water
Splitting of water releasing oxygen
Generation of ATP from ADP and Pi
Which statement most accurately describes the first law of thermodynamics?
Energy cannot be transformed.
Energy cannot be created or destroyed but it can be changed from one form to another.
Energy can be created or destroyed but not changed from one form to another.
Energy can be transformed and then destroyed.
What happens to energy transformed from one form into another?
It will never be 100% efficient.
It can be created or destroyed.
It will always be utilized without any loss.
It can be transformed or transferred with 100% efficiency.
What is the ultimate source of energy for the majority of organisms on Earth?
Moving water
The Moon
The Sun
The wind
Natural deposits of fossil fuel
During an enzymatic reaction, what happens to the enzyme?
It becomes the substrate.
It is depleted.
The enzyme and the substrate form a temporary complex (induced fit)
It becomes the product.
Enzymes have 'specificity.' What does this mean?
have a preferred temperature
are only in certain cells
they have a particular substrate
have a preferred pH
Which is true about energy of activation?
Measured as the energy released after a reaction occurs
It's the difference between stored energy of reactant and product
Adding the correct enzyme can lower the energy of activation
All steps in a metabolic pathway have the same energy of activation
ATP contains what?
adenine base, a ribose sugar, and three phosphate groups
adenine base and three phosphate groups
adenine base and one phosphate group
amino acid arginine, a ribose sugar, and three phosphate groups
In a coupled reaction, what occurs?
all energy released in one reaction is used to stop another
one product is split to form two products
two reactants are combined to form a product
some of the energy released in one reaction is used to drive another reaction forward
In the metabolic pathway A → B → C → D → E, what does E represent?
the enzyme
the endpoint of the pathway
the catalyst
the substrate
What does the letter C represent in the metabolic pathway A → B → C → D → E?
an end product
an intermediate
energy
end substrate
What is the function of an enzyme?
change the direction of metabolic reactions.
increase the speed of a metabolic reaction.
raise the energy of activation for a reaction.
provide the energy for metabolic reactions.
Which reaction is NOT part of the aerobic cellular respiration pathway?
Calvin Benson cycle
electron transport chain
glycolysis
citric acid cycle/Kreb's cycle
What cellular process is represented by the equation C6H12O6 + 6O2 → 38 ATP + 6CO2 + 6H2O?
Electron Transport System
Aerobic Cellular Respiration
Calvin Benson Cycle
Anaerobic Cellular Respiration
What role does NAD+ play in cellular respiration?
It acts as a carbon source.
It aids in photosynthesis.
It provides the oxygen.
It stores energy.
Which pathway of aerobic cellular respiration produces the majority of ATP?
electron transport system (ETS)
preparatory reaction (prep)
citric acid cycle
glycolysis
What is the correct order of phases in cellular respiration?
glycolysis, prep reaction, Kreb's cycle, electron transport chain
prep reaction, glycolysis, electron transport chain, Kreb's cycle
Kreb's cycle, prep reaction, glycolysis, electron transport chain
electron transport chain, glycolysis, prep reaction, Kreb's cycle
Which statement about glycolysis is true?
Glycolysis is a cyclical reaction that takes place in the mitochondrion.
Glycolysis results in the release of oxygen when taking place in the mitochondria.
Glycolysis breaks glucose down to two pyruvate molecules in the cytoplasm.
Glycolysis occurs twice per glucose molecule in the cytoplasm.
What is a likely side effect of a drug that significantly inhibits the synthesis of NADH and FADH2?
hyperactivity
headache
insomnia
tiredness/fatigue
What happens to the end products of glycolysis when oxygen is not available?
The products of glycolysis enter the preparatory reaction and then proceed on to the Kreb's cycle.
The products of glycolysis skip the preparatory reaction and the Kreb's cycle and go directly to the electron transport chain.
Note: Glucose production does not occur in these reactions.
Are you sure you want to delete 0 flashcard(s)? This cannot be undone.
Select tags to remove from 0 selected flashcard(s):
Loading tags...