Question 1

Name the phase in which a cell grows and carries on all its usual metabolic activities.

Accepted Answer

G1 phase o

Question 2

Which of the following is an inclusion, not an organelle?

Accepted Answer

A)  lysosome 
B)  microtubule 
C)  mitochondrion 
D)  glycosome 
E)  peroxisome. 
A)  lysosome 
B)  microtubule 
C)  mitochondrion 
D)  glycosome 
E)  peroxisome.

Question 3

Which membranous organelle stores calcium and is a primary site of lipid metabolism?

Accepted Answer

A)  Golgi apparatus 
B)  smooth endoplasmic reticulum 
C)  mitochondrion 
D)  peroxisome 
E)  rough endoplasmic reticulum 
A)  Golgi apparatus 
B)  smooth endoplasmic reticulum 
C)  mitochondrion 
D)  peroxisome 
E)  rough endoplasmic reticulum

Question 4

The nuclear envelope is continuous with the rough ER, but it differs from the rough ER in that it

Accepted Answer

A)  is not associated with ribosomes. 
B)  has unique pores. 
C)  consists of two membranes separated by a space. 
D)  consists of tubes, like the smooth ER. 
A)  is not associated with ribosomes. 
B)  has unique pores. 
C)  consists of two membranes separated by a space. 
D)  consists of tubes, like the smooth ER.

Question 5

The ________ face of the Golgi apparatus is ________ to receive spherical vesicles from the rough endoplasmic reticulum.

Accepted Answer

A)  cis; convex 
B)  trans; concave 
C)  cis; flattened 
D)  trans; convex 
A)  cis; convex 
B)  trans; concave 
C)  cis; flattened 
D)  trans; convex

Question 6

The nucleolus serves as the cell's ribosome-producing machine.

Accepted Answer

A) True 
 B)False

Question 7

Which organelle is important in neutralizing free radicals?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  mitochondrion 
D)  peroxisome 
E)  centrioles 
A)  Golgi apparatus 
B)  lysosome 
C)  mitochondrion 
D)  peroxisome 
E)  centrioles

Question 8

What is the transport mechanism by which substances move from the cytoplasm to the outside of the cell?

Accepted Answer

The answer of What is the transport mechanism by which...

Question 9

The outermost continuous boundary of a human cell is the ________.

Accepted Answer

plasma mem

Question 10

Describe the mitochondria.

Accepted Answer

These are long, thin organelles, that ha

Question 11

Which cell type is correctly matched with its function?

Accepted Answer

A)  erythrocyte - cell that produces movement 
B)  epithelial cell - cell that covers and lines organs 
C)  macrophages - cell that stores nutrients 
D)  fibroblast - cell that fights disease 
E)  neuron - cell of reproduction 
A)  erythrocyte - cell that produces movement 
B)  epithelial cell - cell that covers and lines organs 
C)  macrophages - cell that stores nutrients 
D)  fibroblast - cell that fights disease 
E)  neuron - cell of reproduction

Question 12

Use the diagram above to answer the following questions.
-Which letter indicates a nucleosome?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 13

Which of the following statements about the rough endoplasmic reticulum is false?

Accepted Answer

A)  It consists of stacked envelopes called cisternae. 
B)  It makes the digestive enzymes contained in the lysosomes. 
C)  It stores lipids as inclusions. 
D)  It makes the integral proteins of the cell membrane. 
E)  It contains ribosomes on the external face of its membranes. 
A)  It consists of stacked envelopes called cisternae. 
B)  It makes the digestive enzymes contained in the lysosomes. 
C)  It stores lipids as inclusions. 
D)  It makes the integral proteins of the cell membrane. 
E)  It contains ribosomes on the external face of its membranes.

Question 14

During what phase of the cell cycle is the DNA duplicated?

Accepted Answer

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

Question 15

What is the name of the currently held theory describing the plasma membrane structure?

Accepted Answer

The answer of What is the name of the currently...

Question 16

The cell that gathers information and controls body functions is a

Accepted Answer

A)  macrophage. 
B)  fat cell. 
C)  sperm cell. 
D)  neuron. 
E)  muscle cell. 
A)  macrophage. 
B)  fat cell. 
C)  sperm cell. 
D)  neuron. 
E)  muscle cell.

Question 17

Which of the following statements about integral proteins in the plasma membrane is false?

Accepted Answer

A)  Most extend all the way through the membrane. 
B)  Some attach to the glycocalyx. 
C)  They determine which molecules are transported through the membrane. 
D)  They are more abundant by volume than the membrane phospholipids. 
E)  They are involved in the transport of some water-soluble or charged molecules across the membrane. 
A)  Most extend all the way through the membrane. 
B)  Some attach to the glycocalyx. 
C)  They determine which molecules are transported through the membrane. 
D)  They are more abundant by volume than the membrane phospholipids. 
E)  They are involved in the transport of some water-soluble or charged molecules across the membrane.

Question 18

An example of a type of cell with high rates of mitosis is a cell of the skin.

Accepted Answer

A) True 
 B)False

Question 19

Hypercholesterolemia is an inherited disease in which the body's cells lack protein receptors that bind to cholesterol-delivering low-density lipoproteins. Based on your knowledge of cell anatomy, what do you think a consequence of the lack of this receptor may be?

Accepted Answer

A)  Cholesterol will not bind to the receptor and enter the cell. 
B)  Cholesterol will not exit the cell via exocytosis. 
C)  The lipids in the plasma membrane will break down, resulting in death of the cell. 
D)  Ribosomes will not be able to make proteins. 
E)  Rough endoplasmic reticulum will not be able to break down lipids. 
A)  Cholesterol will not bind to the receptor and enter the cell. 
B)  Cholesterol will not exit the cell via exocytosis. 
C)  The lipids in the plasma membrane will break down, resulting in death of the cell. 
D)  Ribosomes will not be able to make proteins. 
E)  Rough endoplasmic reticulum will not be able to break down lipids.

Question 20

Which organelle sorts, processes, and packages products made by the rough ER?

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

Exam 2: Cells: the Living Units

Name the phase in which a cell grows and carries on all its usual metabolic activities.

Which of the following is an inclusion, not an organelle?

Which membranous organelle stores calcium and is a primary site of lipid metabolism?

The nuclear envelope is continuous with the rough ER, but it differs from the rough ER in that it

The ________ face of the Golgi apparatus is ________ to receive spherical vesicles from the rough endoplasmic reticulum.

The nucleolus serves as the cell's ribosome-producing machine.

Which organelle is important in neutralizing free radicals?

What is the transport mechanism by which substances move from the cytoplasm to the outside of the cell?

The outermost continuous boundary of a human cell is the ________.

Describe the mitochondria.

Which cell type is correctly matched with its function?

Use the diagram above to answer the following questions. -Which letter indicates a nucleosome?

Which of the following statements about the rough endoplasmic reticulum is false?

During what phase of the cell cycle is the DNA duplicated?

What is the name of the currently held theory describing the plasma membrane structure?

The cell that gathers information and controls body functions is a

Which of the following statements about integral proteins in the plasma membrane is false?

An example of a type of cell with high rates of mitosis is a cell of the skin.

Hypercholesterolemia is an inherited disease in which the body's cells lack protein receptors that bind to cholesterol-delivering low-density lipoproteins. Based on your knowledge of cell anatomy, what do you think a consequence of the lack of this receptor may be?

Which organelle sorts, processes, and packages products made by the rough ER?

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

The face of the Golgi apparatus is to receive spherical vesicles from the rough endoplasmic reticulum.