Question 1

Most enzymes are:

Accepted Answer

A)  RNA molecules. 
B)  proteins. 
C)  carbohydrates. 
D)  lipids. 
E)  DNA molecules. 
A)  RNA molecules. 
B)  proteins. 
C)  carbohydrates. 
D)  lipids. 
E)  DNA molecules.

Question 2

An enzyme binds with its substrate at the active site.

Accepted Answer

A) True 
 B)False

Question 3

The first law of thermodynamics states that the total energy of a system and its surroundings after an energy conversion is ______ the total energy before the conversion.

Accepted Answer

A)  equal to 
B)  greater than or equal to 
C)  greater than 
D)  less than 
E)  less than or equal to 
A)  equal to 
B)  greater than or equal to 
C)  greater than 
D)  less than 
E)  less than or equal to

Question 4

When energy is changed from one form to another, the total energy after the change is equal to the total energy before the change.

Accepted Answer

A) True 
 B)False

Question 5

A nucleotide is composed of a nucleoside plus a phosphate group.

Accepted Answer

A) True 
 B)False

Question 6

The second law of thermodynamics states that if no energy enters or leaves the system under study, the potential energy of the final state will be______ the potential energy of the initial state.

Accepted Answer

A)  equal to 
B)  greater than or equal to 
C)  greater than 
D)  less than 
E)  less than or equal to 
A)  equal to 
B)  greater than or equal to 
C)  greater than 
D)  less than 
E)  less than or equal to

Most enzymes are:

An enzyme binds with its substrate at the active site.

The first law of thermodynamics states that the total energy of a system and its surroundings after an energy conversion is ______ the total energy before the conversion.

When energy is changed from one form to another, the total energy after the change is equal to the total energy before the change.

A nucleotide is composed of a nucleoside plus a phosphate group.

The second law of thermodynamics states that if no energy enters or leaves the system under study, the potential energy of the final state will be______ the potential energy of the initial state.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters

Exam 5: The Flow of Energy

Most enzymes are:

An enzyme binds with its substrate at the active site.

The first law of thermodynamics states that the total energy of a system and its surroundings after an energy conversion is ______ the total energy before the conversion.

When energy is changed from one form to another, the total energy after the change is equal to the total energy before the change.

A nucleotide is composed of a nucleoside plus a phosphate group.

The second law of thermodynamics states that if no energy enters or leaves the system under study, the potential energy of the final state will be______ the potential energy of the initial state.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

Global Ecology

Filters