Question 1

What are the principal structural components of cilia and flagella?

Accepted Answer

A)  intermediate filaments 
B)  myosin microfilaments 
C)  actin microfilaments 
D)  microtubules 
A)  intermediate filaments 
B)  myosin microfilaments 
C)  actin microfilaments 
D)  microtubules

Question 2

In this drawing of a prokaryotic cell, identify the cellular structures indicated.  
-ribosomes

Accepted Answer

The answer of In this drawing of a prokaryotic cell,...

Question 3

Which cell structure regulates the movement of molecules in and out of the cell?

Accepted Answer

A)  the nucleus 
B)  the ribosome 
C)  the plasma membrane 
D)  the cytoplasm 
A)  the nucleus 
B)  the ribosome 
C)  the plasma membrane 
D)  the cytoplasm

Question 4

What are desmosomes?

Accepted Answer

A)  a type of anchoring junction 
B)  a type of gap junction 
C)  a type of tight junction 
D)  a type of cell adhesion molecule 
A)  a type of anchoring junction 
B)  a type of gap junction 
C)  a type of tight junction 
D)  a type of cell adhesion molecule

Question 5

Which of the following allow communication between the cells of the heart muscle tissue, resulting in the coordinated beating of the heart?

Accepted Answer

A)  tight junctions 
B)  anchoring junctions 
C)  desmosomes 
D)  gap junctions 
A)  tight junctions 
B)  anchoring junctions 
C)  desmosomes 
D)  gap junctions

Question 6

What are the main components of the extracellular matrix?

Accepted Answer

A)  glycoproteins 
B)  phospholipids 
C)  cellulose 
D)  glycolipids 
A)  glycoproteins 
B)  phospholipids 
C)  cellulose 
D)  glycolipids

Question 7

Which early scientist proposed that cells arise only from pre-existing cells?

Accepted Answer

A)  Theodor Schwann 
B)  Robert Brown 
C)  Matthias Schleiden 
D)  Rudolf Virchow 
A)  Theodor Schwann 
B)  Robert Brown 
C)  Matthias Schleiden 
D)  Rudolf Virchow

Question 8

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated.  
-attached ribosomes

Accepted Answer

The answer of In this drawing of a eukaryotic animal...

Question 9

In what way are prokaryotic and eukaryotic cells different?

Accepted Answer

A)  A prokaryotic cell has a cell wall, but a eukaryotic cell does not. 
B)  A prokaryotic cell does not have a cell wall, but a eukaryotic cell does. 
C)  A prokaryotic cell has a capsule, but a eukaryotic cell does not. 
D)  A prokaryotic cell does not have a capsule, but a eukaryotic cell does. 
A)  A prokaryotic cell has a cell wall, but a eukaryotic cell does not. 
B)  A prokaryotic cell does not have a cell wall, but a eukaryotic cell does. 
C)  A prokaryotic cell has a capsule, but a eukaryotic cell does not. 
D)  A prokaryotic cell does not have a capsule, but a eukaryotic cell does.

Question 10

Which of the following is a cell structure that distinguishes prokaryotic from eukaryotic cells?

Accepted Answer

A)  the ribosomes 
B)  the nucleus 
C)  the cell wall 
D)  the plasma membrane 
A)  the ribosomes 
B)  the nucleus 
C)  the cell wall 
D)  the plasma membrane

Question 11

Match each type of microscopy with the best description.
-phase-contrast microscopy

Accepted Answer

A) utilizes a thin beam of electrons to examine structures within a cell 
B) utilizes lasers to scan a fluorescently stained specimen; a computer focuses the light to show a single plane through a cell 
C) utilizes differences in the way light is bent (refraction) in areas of various cellular density to visualize living cells 
D) requires light passing through the specimen; typically involves staining with dye to enhance contrast; usually "fixes" and kills the cell 
E) a beam of electrons scanned over a whole cell allows visualization of surface structures; gives a 3D-appearing image 
A) utilizes a thin beam of electrons to examine structures within a cell 
B) utilizes lasers to scan a fluorescently stained specimen; a computer focuses the light to show a single plane through a cell 
C) utilizes differences in the way light is bent (refraction) in areas of various cellular density to visualize living cells 
D) requires light passing through the specimen; typically involves staining with dye to enhance contrast; usually "fixes" and kills the cell 
E) a beam of electrons scanned over a whole cell allows visualization of surface structures; gives a 3D-appearing image

Question 12

In general, how are prokaryotic and eukaryotic cells different and how are they similar?

Accepted Answer

Both mitochondria and chloroplasts conta

Question 13

If a cell contains tonoplast, what type of cell must it be?

Accepted Answer

A)  an animal cell 
B)  a fungal cell 
C)  a prokaryotic cell 
D)  a plant cell 
A)  an animal cell 
B)  a fungal cell 
C)  a prokaryotic cell 
D)  a plant cell

Question 14

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated.  
-pair of centrioles

Accepted Answer

The answer of In this drawing of a eukaryotic animal...

Question 15

If a cell contains centrioles, which type of cell must it be?

Accepted Answer

A)  an animal cell 
B)  a prokaryotic cell 
C)  a plant cell 
D)  a fungal cell 
A)  an animal cell 
B)  a prokaryotic cell 
C)  a plant cell 
D)  a fungal cell

Question 16

Match each description of a cellular structure to the cell type it would be found in. A cell type may be used once, more than once, or not at all.
-chloroplast

Accepted Answer

A) found in all living cells 
B) found in prokaryotic cells only 
C) found in eukaryotic cells only 
D) found in plant cells only 
E) found in animal cells only 
A) found in all living cells 
B) found in prokaryotic cells only 
C) found in eukaryotic cells only 
D) found in plant cells only 
E) found in animal cells only

Question 17

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated.  
-free ribosome

Accepted Answer

The answer of In this drawing of a eukaryotic animal...

Question 18

Match each description with the cellular structure that best corresponds.
-smooth ER

Accepted Answer

A) contain enzymes for intracellular digestion 
B) location of genetic material 
C) synthesize subunits that will be used to assemble ribosomes 
D) site of protein synthesis 
E) composed of cellulose; provides support and protection
F)synthesis of lipids
G)conversion of fuel molecules into energy
H)conversion of light energy into chemical energy
I)storage site in plant cells
J)synthesis of proteins for secretion
K)chemically modifies proteins
L)membrane-bound transport structure 
A) contain enzymes for intracellular digestion 
B) location of genetic material 
C) synthesize subunits that will be used to assemble ribosomes 
D) site of protein synthesis 
E) composed of cellulose; provides support and protection
F)synthesis of lipids
G)conversion of fuel molecules into energy
H)conversion of light energy into chemical energy
I)storage site in plant cells
J)synthesis of proteins for secretion
K)chemically modifies proteins
L)membrane-bound transport structure

Question 19

What do mitochondria and chloroplasts have in common?

Accepted Answer

A)  Both are found in the majority of animal cells. 
B)  Both are engaged in cellular respiration. 
C)  Both are transforming energy. 
D)  Both are engaged in photosynthesis. 
A)  Both are found in the majority of animal cells. 
B)  Both are engaged in cellular respiration. 
C)  Both are transforming energy. 
D)  Both are engaged in photosynthesis.

Question 20

Which protein comprises microtubules?

Accepted Answer

A)  tubulins 
B)  actins 
C)  myosins 
D)  keratins 
A)  tubulins 
B)  actins 
C)  myosins 
D)  keratins

Exam 2: The Cell: an Overview

What are the principal structural components of cilia and flagella?

In this drawing of a prokaryotic cell, identify the cellular structures indicated. -ribosomes

Which cell structure regulates the movement of molecules in and out of the cell?

What are desmosomes?

Which of the following allow communication between the cells of the heart muscle tissue, resulting in the coordinated beating of the heart?

What are the main components of the extracellular matrix?

Which early scientist proposed that cells arise only from pre-existing cells?

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated. -attached ribosomes

In what way are prokaryotic and eukaryotic cells different?

Which of the following is a cell structure that distinguishes prokaryotic from eukaryotic cells?

Match each type of microscopy with the best description. -phase-contrast microscopy

In general, how are prokaryotic and eukaryotic cells different and how are they similar?

If a cell contains tonoplast, what type of cell must it be?

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated. -pair of centrioles

If a cell contains centrioles, which type of cell must it be?

Match each description of a cellular structure to the cell type it would be found in. A cell type may be used once, more than once, or not at all. -chloroplast

In this drawing of a eukaryotic animal cell, identify the cellular structures indicated. -free ribosome

Match each description with the cellular structure that best corresponds. -smooth ER

What do mitochondria and chloroplasts have in common?

Which protein comprises microtubules?

Light and Life

Energy and Enzymes

Cell Membranes and Signaling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

The Chromosomal Basis of Mendelian Inheritance

Genetic Linkage, Sex-Linkage, and Other Non-Mendelian Inheritance Mechanisms

DNA Structure, Replication, and Repair

Gene Structure Expression, and Mutation

Regulation of Gene Expression

Dna Technologies

Genomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Speciation and Macroevolution

Systematics and Phylogenetics: Revealing the Tree of Life

Humans and Evolution

Defining Life and Its Origins

Viruses, Viroids, and Prions: Infectious Biological Particles

Bacteria and Archaea

Protists

Fungi

Plants

Animals

Conservation of Biodiversity

Population Ecology

Species Interactions and Community Ecology

Ecosystems

Animal Behaviour

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Animal Nutrition

Gas Exchange: the Respiratory System

Internal Transport: the Circulatory System

Regulation of the Internal Environment: Water, Solutes, and Temperature

Control of Animal Processes: Endocrine Control

Animal Reproduction

Control of Animal Processes: Neural Control

Muscles, Skeletons, and Body Movements

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