Question 1

Which of the following could be the water potential of a sucrose solution at atmospheric pressure and at sea level?

Accepted Answer

A) 100 MPa 
B) 100 bars 
C) 10 bars 
D) 0 bars 
E) -10 MPa 
A) 100 MPa 
B) 100 bars 
C) 10 bars 
D) 0 bars 
E) -10 MPa

Question 2

Turgor pressure is particularly important in the support of nonwoody plants.

Accepted Answer

A) True 
 B)False

Question 3

If the concentration of glucose is higher inside a cell than outside, glucose will enter the cell only by:

Accepted Answer

A) simple diffusion. 
B) active transport. 
C) facilitated diffusion. 
D) osmosis. 
E) passive cotransport. 
A) simple diffusion. 
B) active transport. 
C) facilitated diffusion. 
D) osmosis. 
E) passive cotransport.

Question 4

Turgor pressure results most directly from:

Accepted Answer

A) solutes moving out of a cell by osmosis. 
B) solutes moving into a cell by osmosis. 
C) water moving from one portion of the cytoplasm to another. 
D) water moving into a cell by osmosis. 
E) water moving out of a cell by osmosis. 
A) solutes moving out of a cell by osmosis. 
B) solutes moving into a cell by osmosis. 
C) water moving from one portion of the cytoplasm to another. 
D) water moving into a cell by osmosis. 
E) water moving out of a cell by osmosis.

Question 5

The portion of a transmembrane protein embedded in the bilayer is:

Accepted Answer

A) hydrophilic. 
B) hydrophobic. 
C) a glycoprotein. 
D) a glycolipid. 
E) a lectin. 
A) hydrophilic. 
B) hydrophobic. 
C) a glycoprotein. 
D) a glycolipid. 
E) a lectin.

Question 6

The symplast consists of:

Accepted Answer

A) the cell wall continuum. 
B) all the plasma membranes. 
C) all the desmotubules. 
D) all the protoplasts but not their plasmodesmata. 
E) all the protoplasts including their plasmodesmata. 
A) the cell wall continuum. 
B) all the plasma membranes. 
C) all the desmotubules. 
D) all the protoplasts but not their plasmodesmata. 
E) all the protoplasts including their plasmodesmata.

Question 7

The inner and outer surfaces of a plasma membrane have the same chemical composition.

Accepted Answer

A) True 
 B)False

Question 8

In the active transport of sucrose, the secondary active transport system is the:

Accepted Answer

A) sucrose-proton symporter. 
B) H+-ATPase. 
C) sucrose uniporter. 
D) proton pump. 
E) sucrose-proton antiporter. 
A) sucrose-proton symporter. 
B) H+-ATPase. 
C) sucrose uniporter. 
D) proton pump. 
E) sucrose-proton antiporter.

Which of the following could be the water potential of a sucrose solution at atmospheric pressure and at sea level?

Turgor pressure is particularly important in the support of nonwoody plants.

If the concentration of glucose is higher inside a cell than outside, glucose will enter the cell only by:

Turgor pressure results most directly from:

The portion of a transmembrane protein embedded in the bilayer is:

The symplast consists of:

The inner and outer surfaces of a plasma membrane have the same chemical composition.

In the active transport of sucrose, the secondary active transport system is the:

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Flow of Energy

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 4: The Movement of Substances Into and Out of Cells

Which of the following could be the water potential of a sucrose solution at atmospheric pressure and at sea level?

Turgor pressure is particularly important in the support of nonwoody plants.

If the concentration of glucose is higher inside a cell than outside, glucose will enter the cell only by:

Turgor pressure results most directly from:

The portion of a transmembrane protein embedded in the bilayer is:

The symplast consists of:

The inner and outer surfaces of a plasma membrane have the same chemical composition.

In the active transport of sucrose, the secondary active transport system is the:

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Flow of Energy

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