Question 1

In oxidation-reduction reactions,____.

Accepted Answer

A)  both molecules give up electrons 
B)  both molecules gain electrons 
C)  cells harvest energy 
D)  the molecule that accepts electrons is reduced 
E)  hydrogen ions are usually absorbed 
A)  both molecules give up electrons 
B)  both molecules gain electrons 
C)  cells harvest energy 
D)  the molecule that accepts electrons is reduced 
E)  hydrogen ions are usually absorbed

Question 2

Classification. The items below are processes that occur during different cellular reaction or metabolic pathways. Answer the following questions by selecting the correct term.
-This process leads to the formation of ATP from ADP plus inorganic phosphate.

Accepted Answer

A) Oxidation 
B) Reduction 
C) Phosphorylation 
D) Electron transport chain 
A) Oxidation 
B) Reduction 
C) Phosphorylation 
D) Electron transport chain

Question 3

Choose the one most appropriate answer for each.
-Allosteric enzyme

Accepted Answer

A) Amount of energy to start a reaction 
B) Coenzyme that can accept electrons and hydrogen 
C) Attachment of a phosphate group with a high-energy bond 
D) An excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway 
E) Part of an enzyme that binds to the substrate
F)By binding a regulatory molecule, it allows a metabolic reaction to proceed
G)Affects rates of chemical reactions by reducing activation energy
H)Important energy currency in metabolism
I)Enzyme that participates in the neutralization of hydrogen peroxide
J)A measure of the amount of energy that has been diffused from a concentrated form of energy within a system 
A) Amount of energy to start a reaction 
B) Coenzyme that can accept electrons and hydrogen 
C) Attachment of a phosphate group with a high-energy bond 
D) An excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway 
E) Part of an enzyme that binds to the substrate
F)By binding a regulatory molecule, it allows a metabolic reaction to proceed
G)Affects rates of chemical reactions by reducing activation energy
H)Important energy currency in metabolism
I)Enzyme that participates in the neutralization of hydrogen peroxide
J)A measure of the amount of energy that has been diffused from a concentrated form of energy within a system

Question 4

Choose the one most appropriate answer for each.
-NAD+

Accepted Answer

A) Amount of energy to start a reaction 
B) Coenzyme that can accept electrons and hydrogen 
C) Attachment of a phosphate group with a high-energy bond 
D) An excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway 
E) Part of an enzyme that binds to the substrate
F)By binding a regulatory molecule, it allows a metabolic reaction to proceed
G)Affects rates of chemical reactions by reducing activation energy
H)Important energy currency in metabolism
I)Enzyme that participates in the neutralization of hydrogen peroxide
J)A measure of the amount of energy that has been diffused from a concentrated form of energy within a system 
A) Amount of energy to start a reaction 
B) Coenzyme that can accept electrons and hydrogen 
C) Attachment of a phosphate group with a high-energy bond 
D) An excess of end-product molecules alters the shape of the first enzyme in the pathway and shuts off that metabolic pathway 
E) Part of an enzyme that binds to the substrate
F)By binding a regulatory molecule, it allows a metabolic reaction to proceed
G)Affects rates of chemical reactions by reducing activation energy
H)Important energy currency in metabolism
I)Enzyme that participates in the neutralization of hydrogen peroxide
J)A measure of the amount of energy that has been diffused from a concentrated form of energy within a system

Question 5

Enzymes ____.

Accepted Answer

A)  control the speed of a reaction 
B)  form chemical bonds with substrates to facilitate certain reactions 
C)  may place physical stress on the bonds of the substrate 
D)  always work on their own 
E)  lower activation energy 
A)  control the speed of a reaction 
B)  form chemical bonds with substrates to facilitate certain reactions 
C)  may place physical stress on the bonds of the substrate 
D)  always work on their own 
E)  lower activation energy

Question 6

The activation energy of a reaction refers to the minimum amount of energy ____.

Accepted Answer

A)  released by the reaction 
B)  in the reactants 
C)  in the products 
D)  necessary to cause a reaction to proceed on its own 
E)  variation between the energy of the reactants and the energy of the products 
A)  released by the reaction 
B)  in the reactants 
C)  in the products 
D)  necessary to cause a reaction to proceed on its own 
E)  variation between the energy of the reactants and the energy of the products

Question 7

Classification. The terms below relate to the movement of materials and membranes. Answer the following questions by selecting the correct term.
-Movement of water molecules across a membrane

Accepted Answer

A) Diffusion 
B) Hypertonic 
C) Hypotonic 
D) Isotonic 
E) Osmosis
F)Osmotic pressure
G)Turgor 
A) Diffusion 
B) Hypertonic 
C) Hypotonic 
D) Isotonic 
E) Osmosis
F)Osmotic pressure
G)Turgor

Question 8

The enzyme that works in conjunction with ATP to produce bioluminescence is called ____________________.

Accepted Answer

The answer of The enzyme that works in conjunction with...

Question 9

What term best describes the role of certain metal ions and coenzymes in metabolic processes?

Accepted Answer

A)  Reactants 
B)  Intermediates 
C)  Cofactors 
D)  Products 
E)  Catalysts 
A)  Reactants 
B)  Intermediates 
C)  Cofactors 
D)  Products 
E)  Catalysts

Exam 5: Ground Rules of Metabolism

In oxidation-reduction reactions,____.

Classification. The items below are processes that occur during different cellular reaction or metabolic pathways. Answer the following questions by selecting the correct term. -This process leads to the formation of ATP from ADP plus inorganic phosphate.

Choose the one most appropriate answer for each. -Allosteric enzyme

Choose the one most appropriate answer for each. -NAD+

Enzymes ____.

The activation energy of a reaction refers to the minimum amount of energy ____.

Classification. The terms below relate to the movement of materials and membranes. Answer the following questions by selecting the correct term. -Movement of water molecules across a membrane

The enzyme that works in conjunction with ATP to produce bioluminescence is called ____________________.

What term best describes the role of certain metal ions and coenzymes in metabolic processes?

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Animal Evolution: The Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters