Question 1

A ______ has an internal arrangement of nine triplets of microtubules.

Accepted Answer

A) flagellum 
B) cilium 
C) basal body 
D) microfilament 
E) basal root 
A) flagellum 
B) cilium 
C) basal body 
D) microfilament 
E) basal root

Question 2

A pivotal step in programmed cell death is the release of ______ from ______.

Accepted Answer

A) DNA; proplastids 
B) ATP; mitochondria 
C) starch; chloroplasts 
D) secondary metabolites; chloroplasts 
E) cytochrome c; mitochondria 
A) DNA; proplastids 
B) ATP; mitochondria 
C) starch; chloroplasts 
D) secondary metabolites; chloroplasts 
E) cytochrome c; mitochondria

Question 3

A primary wall contains pit-fields, but a secondary wall contains pits.

Accepted Answer

A) True 
 B)False

Question 4

During winter dormancy, root initials are most likely to be in the G0 phase of the cell cycle.

Accepted Answer

A) True 
 B)False

Question 5

In the developing cell plate, the initial polysaccharide is:

Accepted Answer

A) cellulose. 
B) pectin. 
C) callose. 
D) chitin. 
E) hemicellulose. 
A) cellulose. 
B) pectin. 
C) callose. 
D) chitin. 
E) hemicellulose.

Question 6

Peroxisomes are organelles that:

Accepted Answer

A) evolved from the endoplasmic reticulum. 
B) possess their own DNA. 
C) self-replicate. 
D) are bounded by a double membrane. 
E) possess their own ribosomes. 
A) evolved from the endoplasmic reticulum. 
B) possess their own DNA. 
C) self-replicate. 
D) are bounded by a double membrane. 
E) possess their own ribosomes.

Question 7

DNA replication occurs during the ______ phase.

Accepted Answer

A) G0 
B) G1 
C) G2 
D) S 
E) M 
A) G0 
B) G1 
C) G2 
D) S 
E) M

Question 8

At full metaphase, all chromosomes are aligned midway between the spindle poles.

Accepted Answer

A) True 
 B)False

Question 9

_______first concluded that all cells arise from preexisting cells.

Accepted Answer

A) Theodor Schwann 
B) Robert Hooke 
C) Charles Darwin 
D) Rudolf Virchow 
E) Matthias Schleiden 
A) Theodor Schwann 
B) Robert Hooke 
C) Charles Darwin 
D) Rudolf Virchow 
E) Matthias Schleiden

Question 10

Prokaryotic cells are characterized by having organelles.

Accepted Answer

A) True 
 B)False

Question 11

Most prokaryotic cells have only one chromosome.

Accepted Answer

A) True 
 B)False

Question 12

Most of the increase in size of a plant cell results from enlargement of the vacuole.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following best designates a somatic cell containing 6 chromosomes?

Accepted Answer

A) n = 6 
B) n = 12 
C) 2n = 3 
D) 2n = 6 
E) 3n = 6 
A) n = 6 
B) n = 12 
C) 2n = 3 
D) 2n = 6 
E) 3n = 6

Question 14

Which of the following lists the correct sequence in which glycoproteins travel through the Golgi complex?

Accepted Answer

A) Trans-Golgi network, maturing face, shuttle vesicles, forming face 
B) Shuttle vesicles, trans-Golgi network, forming face, maturing face 
C) Forming face, shuttle vesicles, maturing face, trans-Golgi network 
D) Maturing face, shuttle vesicles, trans-Golgi network, forming face 
E) Forming face, maturing face, shuttle vesicles, trans-Golgi network 
A) Trans-Golgi network, maturing face, shuttle vesicles, forming face 
B) Shuttle vesicles, trans-Golgi network, forming face, maturing face 
C) Forming face, shuttle vesicles, maturing face, trans-Golgi network 
D) Maturing face, shuttle vesicles, trans-Golgi network, forming face 
E) Forming face, maturing face, shuttle vesicles, trans-Golgi network

Question 15

Stretching of the cell wall can be prevented by the cross-linking of _____ with _____.

Accepted Answer

A) pectins; calcium 
B) the cytoskeleton; potassium 
C) microtubules; oligosaccharins 
D) hemicelluloses; phosphates 
E) microfilaments; disulfide bridges 
A) pectins; calcium 
B) the cytoskeleton; potassium 
C) microtubules; oligosaccharins 
D) hemicelluloses; phosphates 
E) microfilaments; disulfide bridges

Question 16

The phragmosome is a sheet of cytoplasm that anchors the nucleus in the center of the cell prior to nuclear division.

Accepted Answer

A) True 
 B)False

Question 17

Substances contained in Golgi vesicles leave the cell by the process of exocytosis.

Accepted Answer

A) True 
 B)False

Question 18

The longest phase of mitosis is always:

Accepted Answer

A) anaphase. 
B) metaphase. 
C) prophase. 
D) interphase. 
E) telophase. 
A) anaphase. 
B) metaphase. 
C) prophase. 
D) interphase. 
E) telophase.

Question 19

If a plant has a diploid chromosome number of 60, how many chromosomes are present in its gametes?

Accepted Answer

A) 20 
B) 30 
C) 40 
D) 60 
E) 80 
A) 20 
B) 30 
C) 40 
D) 60 
E) 80

Question 20

Plastids that contain carotenoids but lack chlorophyll are known as:

Accepted Answer

A) etioplasts. 
B) chromoplasts. 
C) amyloplasts. 
D) proplastids. 
E) chloroplasts. 
A) etioplasts. 
B) chromoplasts. 
C) amyloplasts. 
D) proplastids. 
E) chloroplasts.

Exam 3: The Plant Cell and the Cell Cycle

A ______ has an internal arrangement of nine triplets of microtubules.

A pivotal step in programmed cell death is the release of ______ from ______.

A primary wall contains pit-fields, but a secondary wall contains pits.

During winter dormancy, root initials are most likely to be in the G0 phase of the cell cycle.

In the developing cell plate, the initial polysaccharide is:

Peroxisomes are organelles that:

DNA replication occurs during the ______ phase.

At full metaphase, all chromosomes are aligned midway between the spindle poles.

_______first concluded that all cells arise from preexisting cells.

Prokaryotic cells are characterized by having organelles.

Most prokaryotic cells have only one chromosome.

Most of the increase in size of a plant cell results from enlargement of the vacuole.

Which of the following best designates a somatic cell containing 6 chromosomes?

Which of the following lists the correct sequence in which glycoproteins travel through the Golgi complex?

Stretching of the cell wall can be prevented by the cross-linking of _____ with _____.

The phragmosome is a sheet of cytoplasm that anchors the nucleus in the center of the cell prior to nuclear division.

Substances contained in Golgi vesicles leave the cell by the process of exocytosis.

The longest phase of mitosis is always:

If a plant has a diploid chromosome number of 60, how many chromosomes are present in its gametes?

Plastids that contain carotenoids but lack chlorophyll are known as:

Botany: an Introduction

The Molecular Composition of Plant Cells

The Movement of Substances Into and Out of Cells

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

A pivotal step in programmed cell death is the release of from .

During winter dormancy, root initials are most likely to be in the G₀ phase of the cell cycle.

Stretching of the cell wall can be prevented by the cross-linking of _ with _.