Question 1

In a mature, functioning, healthy cell with a nucleus, which of the following is extracellular?

Accepted Answer

A)  endoplasmic reticulum 
B)  middle lamella 
C)  nucleolus 
D)  chromosomes 
E)  ribosomes 
A)  endoplasmic reticulum 
B)  middle lamella 
C)  nucleolus 
D)  chromosomes 
E)  ribosomes

Question 2

Maintaining the internal pressure of plants cells is a function of the

Accepted Answer

A)  dictyosome (Golgi). 
B)  cytoplasm. 
C)  lysosome. 
D)  vacuole. 
E)  microtubules. 
A)  dictyosome (Golgi). 
B)  cytoplasm. 
C)  lysosome. 
D)  vacuole. 
E)  microtubules.

Question 3

In which phase of the cell cycle does replication (duplication)of the DNA take place?

Accepted Answer

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

Question 4

_____________ allow people to view objects smaller than 2 micrometers.

Accepted Answer

A)  Magnifying glasses 
B)  Cameras 
C)  Electron microscopes 
D)  Telescopes 
E)  The Hubble telescope 
A)  Magnifying glasses 
B)  Cameras 
C)  Electron microscopes 
D)  Telescopes 
E)  The Hubble telescope

Question 5

Pasteur discovered that alcoholic fermentation involved the activity of yeast.

Accepted Answer

A) True 
 B)False

Question 6

Cell membranes are made up of a mosaic of ____________________.

Accepted Answer

A)  phospholipids and proteins 
B)  cellulose and lignin 
C)  pectins and proteins 
D)  nucleic acid and wax 
E)  carbohydrates and proteins 
A)  phospholipids and proteins 
B)  cellulose and lignin 
C)  pectins and proteins 
D)  nucleic acid and wax 
E)  carbohydrates and proteins

Question 7

A plasma membrane consists primarily of carbohydrate molecules.

Accepted Answer

A) True 
 B)False

Question 8

Protein synthesis takes place in the mitochondria.

Accepted Answer

A) True 
 B)False

Question 9

Vacuoles function in regulating the movement of RNA out of the nucleus.

Accepted Answer

A) True 
 B)False

Question 10

The feature of a microscope that determines its greatest useful magnification is the ___________________.

Accepted Answer

A)  resolution 
B)  intensity of the light source 
C)  type of light used 
D)  use of stains and dyes 
E)  none of these 
A)  resolution 
B)  intensity of the light source 
C)  type of light used 
D)  use of stains and dyes 
E)  none of these

Question 11

Which of the following structures found in living cells is not bound by a membrane or membranes?

Accepted Answer

A)  Golgi bodies (dictyosomes) 
B)  plastids 
C)  ribosomes 
D)  endoplasmic reticulum 
E)  nucleus 
A)  Golgi bodies (dictyosomes) 
B)  plastids 
C)  ribosomes 
D)  endoplasmic reticulum 
E)  nucleus

Question 12

Phragmoplasts are produced during prophase of mitosis.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following do NOT develop from proplastids?

Accepted Answer

A)  chloroplasts 
B)  chromoplasts 
C)  symplast 
D)  leucoplasts 
E)  amyloplasts 
A)  chloroplasts 
B)  chromoplasts 
C)  symplast 
D)  leucoplasts 
E)  amyloplasts

Question 14

Enzymes are synthesized on

Accepted Answer

A)  ribosomes. 
B)  chloroplasts. 
C)  Golgi bodies. 
D)  the nucleus. 
E)  microbodies. 
A)  ribosomes. 
B)  chloroplasts. 
C)  Golgi bodies. 
D)  the nucleus. 
E)  microbodies.

Question 15

Cell structures that apparently function in controlling the addition of cellulose to the cell wall, in steering vesicles from Golgi bodies to the cell wall, and in aiding movement within the cell are

Accepted Answer

A)  thylakoids. 
B)  ribosomes. 
C)  mitochondria. 
D)  microtubules. 
E)  lysosomes. 
A)  thylakoids. 
B)  ribosomes. 
C)  mitochondria. 
D)  microtubules. 
E)  lysosomes.

Question 16

Which of the following is NOT a component of cell walls?

Accepted Answer

A)  RNA 
B)  cellulose 
C)  lignin 
D)  protein 
E)  pectin 
A)  RNA 
B)  cellulose 
C)  lignin 
D)  protein 
E)  pectin

Question 17

Mitochondria are

Accepted Answer

A)  the sites of protein synthesis in the cell. 
B)  mainly found in vacuoles. 
C)  the sites of production of energy (ATP) needed for plant functions. 
D)  a part of Golgi bodies. 
E)  devoid of internal structure. 
A)  the sites of protein synthesis in the cell. 
B)  mainly found in vacuoles. 
C)  the sites of production of energy (ATP) needed for plant functions. 
D)  a part of Golgi bodies. 
E)  devoid of internal structure.

Question 18

Material to be viewed with a transmission electron microscope must be nonliving.

Accepted Answer

A) True 
 B)False

Question 19

Replication (duplication)of DNA takes place during the S period of interphase.

Accepted Answer

A) True 
 B)False

Question 20

Strictly speaking, mitosis refers only to division of nuclei-not cells.

Accepted Answer

A) True 
 B)False

Exam 3: Cells

In a mature, functioning, healthy cell with a nucleus, which of the following is extracellular?

Maintaining the internal pressure of plants cells is a function of the

In which phase of the cell cycle does replication (duplication)of the DNA take place?

_____________ allow people to view objects smaller than 2 micrometers.

Pasteur discovered that alcoholic fermentation involved the activity of yeast.

Cell membranes are made up of a mosaic of ____________________.

A plasma membrane consists primarily of carbohydrate molecules.

Protein synthesis takes place in the mitochondria.

Vacuoles function in regulating the movement of RNA out of the nucleus.

The feature of a microscope that determines its greatest useful magnification is the ___________________.

Which of the following structures found in living cells is not bound by a membrane or membranes?

Phragmoplasts are produced during prophase of mitosis.

Which of the following do NOT develop from proplastids?

Enzymes are synthesized on

Cell structures that apparently function in controlling the addition of cellulose to the cell wall, in steering vesicles from Golgi bodies to the cell wall, and in aiding movement within the cell are

Which of the following is NOT a component of cell walls?

Mitochondria are

Material to be viewed with a transmission electron microscope must be nonliving.

Replication (duplication)of DNA takes place during the S period of interphase.

Strictly speaking, mitosis refers only to division of nuclei-not cells.

What Is Plant Biology

The Nature of Life

Tissues

Roots and Soils

Stems

Leaves

Flowers, Fruits, and Seeds

Water in Plants

Plant Metabolism

Growth

Meiosis and Alternation of Generation

Genetics

Plant Breeding and Propagation

Evolution

Plant Names and Classification

Domain Kingdombacteria, Domain King-Domarchaea, and Viruses

Kingdom Protista

Kingdom Fungi

Introduction to the Plant Kingdom: Bryophytes

The Seedless Vascular Plants: Ferns and Their Relatives

Introduction to Seed Plants: Gymnosperms

Seed Plants: Angiosperms

Flowering Plants and Civilization

Ecology

Biomes

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