BIOL 101 quiz 3 complete solutions correct answers key

Liberty University BIOL 101 quiz 3 complete solutions correct answers key

7 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______.

When electrons flow between photosystems, they ________ which can be used to generate new ____________ molecules.

New molecules of glucose are produced

Accessory pigments enable the chloroplast to

In photosynthesis the H atoms used to make high-energy carbohydrates like glucose come from

In the electron transfer phosphorylation process, ______ is a reactant and _____ is a product.

In the chloroplast, light dependent reactions take place in the __________________ while light independent reactions take place in the __________________.

If fermentation reactions did not occur on earth then in places where no oxygen is available

Oxygen is an important molecule to both respiration and photosynthesis. If evolution created these two processes one after the other, which would probably have had to appear first on earth?

During the electron transfer reactions, protons (H+ ions) are pumped (moved) to one side of the inner membrane of the mitochondrion. The value of this pumping is that the proton gradient is then used

Fermentation of sugar causes grape juice to become wine. In fermentation, the two products given off are ____________ and _________. The latter product accumulates in the wine during the process.

The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because

Which of the following is valuable as the most immediate source of the greatest amount of ATP energy given off during aerobic respiration?

Light independent reactions serve to

Identify the correct order of the processes of aerobic respiration

In all of aerobic respiration, the last molecule waiting at the very end to accept electrons

The “powerhouse” organelle within the cell in which electron transfer reactions are occur

In the light-dependent reaction, the two photosystems work together to keep the concentrations of  ______ and ______ appropriate for their amounts needed in the light-independent reaction

During the entire aerobic respiration process, the breakdown of a single molecule of glucose results in the production of

Which of the following is the most immediate source of the greatest amount of ATP energy given off during aerobic respiration?

Fermentation of sugar causes bread dough to “rise”.  In fermentation, the two products given off are ____________ and _________.  The latter product evaporates from the bread during the baking process

A chemoautotroph is an organism that gets its energy from _______________ instead of from _________ as photoautotrophic plants do.  (Heterotrophs like humans use sugar for energy.)

Question 1 __________ is a process that uses chlorophyll molecules to produce high­energy carbohydrates.

Question 2 One of the laws governing the behavior of energy in living things describes energy conversion as inefficient, with much energy being lost in the form of

Question 3 During the electron transfer reactions, protons (H+ ions) are pumped (moved) to one side of the inner membrane of the mitochondrion. The value of this pumping is that the proton gradient is then used

Question 4 If the final end product of a metabolic pathway is continually removed and used elsewhere then

Question 5 The immediate product of photosynthesis, three­carbon PGALs

Question 6 In nature, as energy freely changes from one form to another .

Question 7 On a cold day, your cells depend on ________ to maintain an operating temperature of 37 degrees Celsius.

Question 8 An ATP molecule carries potential energy in the easily broken bond

Question 9 The physicist’s definition of energy is _______________ for use in defining energy changes within a living cell.

Question 10 In a crowded, unventilated room, the temperature rises because

Question 11 DNA was discovered by Friederick Miescher; he isolated it from

Question 12 In photosynthesis the H atoms used to make high­energy carbohydrates like glucose come from

Question 13 A lit match cannot continue to burn when the wood of the match stick is consumed. This statement illustrates the more general principle that

Question 14 A producer organism is called a “producer” because it produces

Question 15 The overall process that uptakes energy­poor molecules (CO2 and H2O) from their reservoirs in nature and converts them into energy­rich molecules is

Question 16 Autotrophic organisms are supportive of man. They

Question 17 New molecules of glucose are produced

Question 18 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

Question 19 ______ is freely convertible from one form to another but _______ can never be created or destroyed.

Question 20 The Krebs cycle’s NADH products are of value because

Question 21 When light of the correct wavelength hits a photosynthetic pigment molecule

Question 22 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 23 Metabolic pathways

Question 24 Which of the following is not a product of the Krebs cycle?

Question 25 Which of the following is not a major sort/category of energy change within the cell?

Question 1 In the process of ____________, three interrelated, exergonic pathways and oxygen are used to igenerate large amounts of ATP from glucose molecules.

Question 2 Accessory pigments enable the chloroplast to

Question 3 For most chemical reactions in the non­living world, the energy required to break bonds in the reactant molecules

Question 4 Which of the following is a stage of aerobic respiration?

Question 5 If the final end product of a metabolic pathway is continually removed and used elsewhere then

Question 6 The Krebs cycle’s NADH products are of value because

Question 7 The final stage of aerobic respiration involves

Question 8 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 9 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 10 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

Question 11 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 12 DNA was discovered by Friederick Miescher; he isolated it from

Question 13 Photosynthesis and respiration are complementing processes within a global cycle known as the

Question 14 When activation energy is not available for a given chemical reaction

Question 15 Biological information must exist because

Question 16 A single regulatory molecule can shut down multiple metabolic pathways if it is able to

Question 17 A lit match cannot continue to burn when the wood of the match stick is consumed. This statement illustrates the more general principle that

Question 18 ______ is freely convertible from one form to another but _______ can never be created or destroyed.

Question 19 Light dependent reactions of photosynthesis produce

Question 20 The three metabolic pathways that make up aerobic respiration are really all parts of one larger pathway because

Question 21 The immediate source of electrons for electron transfer phosphorylation is

Question 22 To derive energy from an ATP molecule

Question 23 The process of aerobic respiration begins with

Question 24 New molecules of glucose are produced

Question 25 DNA is stored within the ____________ of a cell in a __________ fiber called chromatin.

Question 1 New molecules of glucose are produced

Question 2 Glucose + _________ + 36 ADP yields _________ + 6H2O + 36 _________.

Question 3 The energy storage molecule that connects endergonic and exergonic reactions, driving endergonic reactions forward, is

Question 4 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

Question 5 If the final end product of a metabolic pathway is continually removed and used elsewhere then

Question 6 Reactants like hydrogen and oxygen molecules and are converted into a product like water molecules in the course of

Question 7 The structure of DNA was unraveled using

Question 8 The most energetic and useful product of the Krebs cycle is

Question 9 An endergonic reaction always

Question 10 In photosynthesis the H atoms used to make high­energy carbohydrates like glucose come from

Question 11 DNA is stored within the ____________ of a cell in a __________ fiber called chromatin.

Question 12 ________ organisms build their own energy­rich molecules using solar energy.

Question 13 The cell’s pumping of substances against diffusion forces that would carry those substances the other way is termed

Question 14 Autotrophic organisms are supportive of man. They

Question 15 In photosynthesis, ______ and ______ are used to build_______ and release______.

Question 16 The (gene)tic information in a single strand of DNA is found in

Question 17 Systems that convert energy from one form to another are

Question 18 The immediate product of photosynthesis, three­carbon PGALs

Question 19 Photosynthesis and respiration are complementing processes within a global cycle known as the

Question 20 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

Question 21 The activation energy of a reaction can be lowered if the reaction is catalyzed by

Question 22 Which of the following features of glycolysis is a value to the cell?

Question 23 NADPH is formed when

Question 24 Energy supplied to break bonds in reactant molecules is known as

Question 25 Existing chemical bonds between atoms are broken and new ones are formed between different atoms. This process