Question 1

Match the organelle with its function.
-It modifies proteins and packages them into secretory vesicles for export from the cell.

Accepted Answer

A) endoplasmic reticulum 
B) Golgi apparatus 
C) lysosomes 
D) mitochondria 
E) peroxisomes 
A) endoplasmic reticulum 
B) Golgi apparatus 
C) lysosomes 
D) mitochondria 
E) peroxisomes

Question 2

Cell membranes are said to be

Accepted Answer

A)  impermeable. 
B)  freely permeable. 
C)  selectively permeable. 
D)  actively permeable. 
E)  None of the answers are correct. 
A)  impermeable. 
B)  freely permeable. 
C)  selectively permeable. 
D)  actively permeable. 
E)  None of the answers are correct.

Question 3

The esophagus is a tube that carries food from the mouth to the stomach.It does not secrete any enzymes or absorb any nutrients,but it does need to stand up to significant friction and stress.The type of epithelium most likely lining the esophagus would be:

Accepted Answer

A)  cuboidal epithelium. 
B)  simple squamous epithelium. 
C)  simple columnar epithelium. 
D)  stratified squamous epithelium. 
E)  transitional epithelium. 
A)  cuboidal epithelium. 
B)  simple squamous epithelium. 
C)  simple columnar epithelium. 
D)  stratified squamous epithelium. 
E)  transitional epithelium.

Question 4

For each question,select the corresponding category:
-ribosome

Accepted Answer

A) membranous organelle 
B) Inclusion 
A) membranous organelle 
B) Inclusion

Question 5

Match the cell type to its tissue or function.
-adipocyte

Accepted Answer

A) cartilage 
B) destroys bone matrix 
C) loose connective tissue 
D) fat 
E) maintains bone matrix 
A) cartilage 
B) destroys bone matrix 
C) loose connective tissue 
D) fat 
E) maintains bone matrix

Question 6

________ secretions are released into interstitial space to diffuse into the blood.

Accepted Answer

The answer of ________ secretions are released into interstitial space...

Question 7

Groups of tissues that carry out related functions may form structures known as

Accepted Answer

A)  cells. 
B)  organs. 
C)  organelles. 
D)  organisms. 
E)  impossible to tell from the information given 
A)  cells. 
B)  organs. 
C)  organelles. 
D)  organisms. 
E)  impossible to tell from the information given

Question 8

The cellular organelle(s)responsible for packaging and transporting proteins is/are the

Accepted Answer

A)  microtubules. 
B)  mitochondria. 
C)  rough endoplasmic reticulum. 
D)  ribosomes. 
E)  Golgi complex. 
A)  microtubules. 
B)  mitochondria. 
C)  rough endoplasmic reticulum. 
D)  ribosomes. 
E)  Golgi complex.

Question 9

All but one of the structures listed below are a type of cell junction.Identify the exception.

Accepted Answer

A)  desmosomes 
B)  tight junctions 
C)  gap junctions 
D)  loose junctions 
E)  adherens junctions 
A)  desmosomes 
B)  tight junctions 
C)  gap junctions 
D)  loose junctions 
E)  adherens junctions

Question 10

The proteins synthesized in the rough endoplasmic reticulum are then sent to

Accepted Answer

A)  the smooth endoplasmic reticulum for storage. 
B)  the Golgi complex for packaging. 
C)  the lysosome for modification. 
D)  the cell membrane for secretion. 
E)  the nucleus for cellular use. 
A)  the smooth endoplasmic reticulum for storage. 
B)  the Golgi complex for packaging. 
C)  the lysosome for modification. 
D)  the cell membrane for secretion. 
E)  the nucleus for cellular use.

Question 11

Microvilli are found

Accepted Answer

A)  mostly in muscle cells. 
B)  on the inside of cell membranes. 
C)  in large numbers on cells that secrete hormones. 
D)  in cells that are actively engaged in absorption. 
E)  only on cells lining the reproductive tract. 
A)  mostly in muscle cells. 
B)  on the inside of cell membranes. 
C)  in large numbers on cells that secrete hormones. 
D)  in cells that are actively engaged in absorption. 
E)  only on cells lining the reproductive tract.

Question 12

Give three examples of structures whose formation involves molecular interactions that either increase or decrease contact with water molecules,explaining how they are similar and how they differ from each other.(Hint: They all involve molecules that have both polar and nonpolar portions.)

Accepted Answer

Phospholipids have a polar portion that

Question 13

Which substance is responsible for activating the digestive enzymes inside lysosomes?

Accepted Answer

A)  air 
B)  water 
C)  acid 
D)  enzymes 
E)  base 
A)  air 
B)  water 
C)  acid 
D)  enzymes 
E)  base

Question 14

Describe the structure of the cytoskeleton,and list its functions.

Accepted Answer

The cytoskeleton consists of actin micro

Question 15

What is the benefit of having some of the cellular organelles enclosed by a membrane similar to the cell (plasma)membrane?

Accepted Answer

The isolation of the internal contents o

Question 16

Apoptosis and necrosis are described as the two ways cells die.Which one is "messy"? Which is "tidy"? Explain.Why do these forms of cell death exist? What are some advantages and/or disadvantages of each? Use the lining cells of the digestive tract in an example of an advantageous process.

Accepted Answer

Necrosis is a result of damage to cells.

Question 17

A flagellum moves a cell through a fluid medium.What moves the fluid medium across the surface of cells that are not free to move?

Accepted Answer

A)  centrioles 
B)  thick filaments 
C)  cilia 
D)  ribosomes 
E)  endoplasmic reticulum 
A)  centrioles 
B)  thick filaments 
C)  cilia 
D)  ribosomes 
E)  endoplasmic reticulum

Question 18

Arrange the following events in protein secretion in the proper sequence.
1)The polypeptide chain enters the lumen of the endoplasmic reticulum.
2)A secretory vesicle is formed.
3)A transport vesicle is formed.
4)The polypeptide chain enters the lumen of the Golgi complex.

Accepted Answer

A)  1, 2, 3, 4 
B)  1, 3, 2, 4 
C)  1, 3, 4, 2 
D)  4, 3, 1, 2 
E)  3, 1, 4, 2 
A)  1, 2, 3, 4 
B)  1, 3, 2, 4 
C)  1, 3, 4, 2 
D)  4, 3, 1, 2 
E)  3, 1, 4, 2

Question 19

Match the organelle with its function.
-It is the digestive system of a cell,degrading and/or recycling bacterial or organic components.

Accepted Answer

A) endoplasmic reticulum 
B) Golgi apparatus 
C) lysosomes 
D) mitochondria 
E) peroxisomes 
A) endoplasmic reticulum 
B) Golgi apparatus 
C) lysosomes 
D) mitochondria 
E) peroxisomes

Exam 3: Compartmentation: Cells and Tissues

Match the organelle with its function. -It modifies proteins and packages them into secretory vesicles for export from the cell.

Cell membranes are said to be

The esophagus is a tube that carries food from the mouth to the stomach.It does not secrete any enzymes or absorb any nutrients,but it does need to stand up to significant friction and stress.The type of epithelium most likely lining the esophagus would be:

For each question,select the corresponding category: -ribosome

Match the cell type to its tissue or function. -adipocyte

________ secretions are released into interstitial space to diffuse into the blood.

Groups of tissues that carry out related functions may form structures known as

The cellular organelle(s)responsible for packaging and transporting proteins is/are the

All but one of the structures listed below are a type of cell junction.Identify the exception.

The proteins synthesized in the rough endoplasmic reticulum are then sent to

Microvilli are found

Give three examples of structures whose formation involves molecular interactions that either increase or decrease contact with water molecules,explaining how they are similar and how they differ from each other.(Hint: They all involve molecules that have both polar and nonpolar portions.)

Which substance is responsible for activating the digestive enzymes inside lysosomes?

Describe the structure of the cytoskeleton,and list its functions.

What is the benefit of having some of the cellular organelles enclosed by a membrane similar to the cell (plasma)membrane?

Apoptosis and necrosis are described as the two ways cells die.Which one is "messy"? Which is "tidy"? Explain.Why do these forms of cell death exist? What are some advantages and/or disadvantages of each? Use the lining cells of the digestive tract in an example of an advantageous process.

A flagellum moves a cell through a fluid medium.What moves the fluid medium across the surface of cells that are not free to move?

Arrange the following events in protein secretion in the proper sequence. 1)The polypeptide chain enters the lumen of the endoplasmic reticulum. 2)A secretory vesicle is formed. 3)A transport vesicle is formed. 4)The polypeptide chain enters the lumen of the Golgi complex.

Match the organelle with its function. -It is the digestive system of a cell,degrading and/or recycling bacterial or organic components.

Introduction to Physiology

Molecular Interactions

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

Reproduction and Development

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