Question 1

Mitosis refers only to nuclear division. Separation of the entire cell following mitosis is ___.

Accepted Answer

A)  meiosis. 
B)  karyokinesis. 
C)  cytokinesis. 
D)  telophase. 
E)  anaphase 
A)  meiosis. 
B)  karyokinesis. 
C)  cytokinesis. 
D)  telophase. 
E)  anaphase

Question 2

The temporary structures in the cytoplasm include all of the following except

Accepted Answer

A)  pigments. 
B)  glycosomes. 
C)  lipid droplets. 
D)  the Golgi apparatus. 
E)  protein crystals. 
A)  pigments. 
B)  glycosomes. 
C)  lipid droplets. 
D)  the Golgi apparatus. 
E)  protein crystals.

Question 3

Which organelle contains some DNA and is capable of self-replication?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome 
A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome

Question 4

Which of the following is true regarding cytoplasmic inclusions?

Accepted Answer

A)  Lipid droplets are found in all cells in the body. 
B)  Glycosomes store sugar in the form of glycogen. 
C)  Crystals of protein contain enzymes that degrade glycogen into glucose subunits. 
D)  Lysosomes are considered cytoplasmic inclusions. 
E)  Pigments are cytoplasmic inclusions that store fat. 
A)  Lipid droplets are found in all cells in the body. 
B)  Glycosomes store sugar in the form of glycogen. 
C)  Crystals of protein contain enzymes that degrade glycogen into glucose subunits. 
D)  Lysosomes are considered cytoplasmic inclusions. 
E)  Pigments are cytoplasmic inclusions that store fat.

Question 5

The nuclear envelope is continuous with which organelle?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome 
A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome

Question 6

Peroxisomes are important in detoxification of a number of toxic substances, for instance, hydrogen peroxide.

Accepted Answer

A) True 
 B)False

Question 7

Describe the three major types of cytoskeletal elements.

Accepted Answer

Microtubules are the largest in diameter

Question 8

The endocytotic process in which small vesicles of fluid are brought into the cell is called

Accepted Answer

A)  phagocytosis. 
B)  pinocytosis. 
C)  exocytosis. 
D)  xenocytosis. 
E)  receptor-mediated endocytosis 
A)  phagocytosis. 
B)  pinocytosis. 
C)  exocytosis. 
D)  xenocytosis. 
E)  receptor-mediated endocytosis

Question 9

During mitosis, the kinetochore microtubules of the mitotic spindle

Accepted Answer

A)  attach to chromatids and align them at the metaphase plate. 
B)  push on the chromatids. 
C)  anchor the centriole to the cell membrane. 
D)  push the two poles of the cell apart. 
A)  attach to chromatids and align them at the metaphase plate. 
B)  push on the chromatids. 
C)  anchor the centriole to the cell membrane. 
D)  push the two poles of the cell apart.

Question 10

A mitotic spindle develops during early telophase of mitosis.

Accepted Answer

A) True 
 B)False

Question 11

The cytoskeletal elements that form a ring to "squeeze" the two daughter cells apart during cytokinesis are

Accepted Answer

A)  microtubules. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  the microtrabecular lattice. 
A)  microtubules. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  the microtrabecular lattice.

Question 12

Which type of endocytosis ingests the most specific type of molecule?

Accepted Answer

A)  fluid-phase endocytosis 
B)  phagocytosis 
C)  pinocytosis 
D)  receptor-mediated endocytosis 
E)  vesiclcytosis 
A)  fluid-phase endocytosis 
B)  phagocytosis 
C)  pinocytosis 
D)  receptor-mediated endocytosis 
E)  vesiclcytosis

Question 13

In the cell life cycle, DNA is replicated during

Accepted Answer

A)  interphase G1. 
B)  interphase S. 
C)  prophase I. 
D)  prophase II. 
E)  interphase G2. 
A)  interphase G1. 
B)  interphase S. 
C)  prophase I. 
D)  prophase II. 
E)  interphase G2.

Question 14

Each cell performs all of the function necessary to sustain life. Those functions include all of the following except

Accepted Answer

A)  obtaining nutrients from the surrounding body fluids. 
B)  dispose of wastes. 
C)  replicate itself. 
D)  use nutrients to make the molecules it needs. 
E)  phagocytosing other cells. 
A)  obtaining nutrients from the surrounding body fluids. 
B)  dispose of wastes. 
C)  replicate itself. 
D)  use nutrients to make the molecules it needs. 
E)  phagocytosing other cells.

Question 15

Which membranous organelle is the site of protein synthesis for proteins that are secreted by the cell?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome 
A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome

Question 16

Telomeres are structures that limit the maximum number of times cells can divide.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following cytoskeleton elements are the largest in diameter?

Accepted Answer

A)  microtubules 
B)  microfilaments 
C)  intermediate filaments 
D)  centrioles 
E)  actin 
A)  microtubules 
B)  microfilaments 
C)  intermediate filaments 
D)  centrioles 
E)  actin

Question 18

In chromatin, the DNA molecule wraps around proteins called

Accepted Answer

A)  nucleotides. 
B)  codons. 
C)  integral protein. 
D)  histones. 
E)  SNARE proteins 
A)  nucleotides. 
B)  codons. 
C)  integral protein. 
D)  histones. 
E)  SNARE proteins

Question 19

What would extended chromatin wrapped around a group of eight histones be called?

Accepted Answer

The answer of What would extended chromatin wrapped around a...

Question 20

During anaphase, the chromosomes are moved to the center of the cell.

Accepted Answer

A) True 
 B)False

Exam 2: Cells: the Living Units

Mitosis refers only to nuclear division. Separation of the entire cell following mitosis is ___.

The temporary structures in the cytoplasm include all of the following except

Which organelle contains some DNA and is capable of self-replication?

Which of the following is true regarding cytoplasmic inclusions?

The nuclear envelope is continuous with which organelle?

Peroxisomes are important in detoxification of a number of toxic substances, for instance, hydrogen peroxide.

Describe the three major types of cytoskeletal elements.

The endocytotic process in which small vesicles of fluid are brought into the cell is called

During mitosis, the kinetochore microtubules of the mitotic spindle

A mitotic spindle develops during early telophase of mitosis.

The cytoskeletal elements that form a ring to "squeeze" the two daughter cells apart during cytokinesis are

Which type of endocytosis ingests the most specific type of molecule?

In the cell life cycle, DNA is replicated during

Each cell performs all of the function necessary to sustain life. Those functions include all of the following except

Which membranous organelle is the site of protein synthesis for proteins that are secreted by the cell?

Telomeres are structures that limit the maximum number of times cells can divide.

Which of the following cytoskeleton elements are the largest in diameter?

In chromatin, the DNA molecule wraps around proteins called

What would extended chromatin wrapped around a group of eight histones be called?

During anaphase, the chromosomes are moved to the center of the cell.

The Human Body: an Orientation

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Filters