Question 1

Which ECM molecule provides structure while allowing certain tissues to expand and contract (e.g., lungs during breathing, intestine during digestion) ?

Accepted Answer

A)   collagen
B)   elastin
C)   fibronectin
D)   laminin
E)   glycosaminoglycansF) A) and B)
G) A) and E)

Question 2

Which of the following tissue type covers or forms the lining of all internal and external body surfaces?

Accepted Answer

A)   muscle
B)   connective
C)   epithelial
D)   nervous
E)   hepaticF) A) and C)
G) A) and E)

Question 3

These act as rivets anchoring adjacent cells together at spots throughout the cell.

Accepted Answer

A)   adherens junctions
B)   desmosomes
C)   hemidesmosomes
D)   focal adhesions
E)   fibronectinF) A) and C)
G) A) and B)

Question 4

Rivets hold steel structures together much in the same way as tight junctions hold cells together.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following cell junctions would function the LEAST like glue?

Accepted Answer

A)   gap junctions
B)   adherens junctions
C)   focal adhesions
D)   hemidesmosomes
E)   desmosomesF) A) and E)
G) B) and D)

Question 6

In animals, which of the following structures is largely composed of extracellular matrix?

Accepted Answer

A)   kidney
B)   intestine
C)   eye
D)   cartilage
E)   muscleF) C) and E)
G) B) and C)

Question 7

Which of the following type of organism is always multicellular?

Accepted Answer

A)   animals only
B)   plants only
C)   archae only
D)   prokaryotes only
E)   both animals and plantsF) B) and C)
G) C) and E)

Question 8

Which of the following basic cell processes is NOT required for creating a tissue?

Accepted Answer

A)   cell division and differentiation
B)   cell connections
C)   cell morphology
D)   cell death
E)   cell migrationF) B) and D)
G) A) and D)

Question 9

Which of the following is TRUE of cork?

Accepted Answer

A)   It represents the major dermal tissue in bark.
B)   It helps transport nutrients and fluid.
C)   It serves a protective function
D)   It both represents the major dermal tissue in bark and helps transport nutrients and fluid.
E)   It both represents the major dermal tissue in bark and serves a protective function.F) B) and E)
G) All of the above

Question 10

Integrin is a membrane protein that integrates changes in the ECM to alterations in movement or behavior of the cell.

Accepted Answer

A) True 
 B)False

Question 11

This type of tissue is rich in extracellular matrix and includes tendon and cartilage.

Accepted Answer

A)   muscle
B)   connective
C)   epithelial
D)   nervous
E)   hepaticF) C) and D)
G) B) and C)

Question 12

The heart, skeletal muscles, and blood vessels all share a common feature in that they are composed of muscle tissue.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following statements about the cell wall is FALSE?

Accepted Answer

A)   The cell wall constitutes the ECM of plants.
B)   The cell wall is composed predominantly of proteins.
C)   The cell wall provides protection, rigidity, and shape to plant cells.
D)   The cell wall is composed of two distinct layers.
E)   The cell wall is composed mainly of carbohydrates.F) C) and D)
G) A) and E)

Question 14

This polysaccharide is an important ECM component for the exoskeleton of many insects and shellfish.

Accepted Answer

A)   proteoglycan
B)   glycosaminoglycans
C)   collagen
D)   chitin
E)   lamininF) B) and E)
G) A) and C)

Question 15

All of the following are components of the adherens junction complex EXCEPT

Accepted Answer

A)   cadherins.
B)   Ca2+.
C)   intermediate filaments.
D)   linker protein.
E)   actin filaments.F) All of the above
G) A) and B)

Question 16

Which of the following statements about the ECM is most CORRECT?

Accepted Answer

A)   It is composed of living cells.
B)   Its components are produced by specialized cells and transported throughout the body and deposited around the cell.
C)   It is a source of protein for cells.
D)   It protects cells from infectious agents.
E)   Its components are produced and secreted by the cell.F) B) and D)
G) A) and B)

Exam 10: Multicellularity

Which of the following cell junctions would function the LEAST like glue?

Correct Answer
verified

This polysaccharide is an important ECM component for the exoskeleton of many insects and shellfish.

Correct Answer
verified

Which of the following basic cell processes is NOT required for creating a tissue?

Correct Answer
verified

In animals, which of the following structures is largely composed of extracellular matrix?

Correct Answer
verified

All of the following are components of the adherens junction complex EXCEPT

Correct Answer
verified

Which of the following tissue type covers or forms the lining of all internal and external body surfaces?

Correct Answer
verified

Rivets hold steel structures together much in the same way as tight junctions hold cells together.

Correct Answer
verified

Integrin is a membrane protein that integrates changes in the ECM to alterations in movement or behavior of the cell.

Correct Answer
verified

Which of the following statements about the cell wall is FALSE?

Correct Answer
verified

Which of the following type of organism is always multicellular?

Correct Answer
verified

Which of the following is TRUE of cork?

Correct Answer
verified

These act as rivets anchoring adjacent cells together at spots throughout the cell.

Correct Answer
verified

This type of tissue is rich in extracellular matrix and includes tendon and cartilage.

Correct Answer
verified

The heart, skeletal muscles, and blood vessels all share a common feature in that they are composed of muscle tissue.

Correct Answer
verified

Which of the following statements about the ECM is most CORRECT?

Correct Answer
verified

Which ECM molecule provides structure while allowing certain tissues to expand and contract (e.g., lungs during breathing, intestine during digestion) ?

Correct Answer
verified

Exam 10: Multicellularity

Which of the following cell junctions would function the LEAST like glue?

Correct AnswerverifiedShow Answer

This polysaccharide is an important ECM component for the exoskeleton of many insects and shellfish.

Correct AnswerverifiedShow Answer

Which of the following basic cell processes is NOT required for creating a tissue?

Correct AnswerverifiedShow Answer

In animals, which of the following structures is largely composed of extracellular matrix?

Correct AnswerverifiedShow Answer

All of the following are components of the adherens junction complex EXCEPT

Correct AnswerverifiedShow Answer

Which of the following tissue type covers or forms the lining of all internal and external body surfaces?

Correct AnswerverifiedShow Answer

Rivets hold steel structures together much in the same way as tight junctions hold cells together.

Correct AnswerverifiedShow Answer

Integrin is a membrane protein that integrates changes in the ECM to alterations in movement or behavior of the cell.

Correct AnswerverifiedShow Answer

Which of the following statements about the cell wall is FALSE?

Correct AnswerverifiedShow Answer

Which of the following type of organism is always multicellular?

Correct AnswerverifiedShow Answer

Which of the following is TRUE of cork?

Correct AnswerverifiedShow Answer

These act as rivets anchoring adjacent cells together at spots throughout the cell.

Correct AnswerverifiedShow Answer

This type of tissue is rich in extracellular matrix and includes tendon and cartilage.

Correct AnswerverifiedShow Answer

The heart, skeletal muscles, and blood vessels all share a common feature in that they are composed of muscle tissue.

Correct AnswerverifiedShow Answer

Which of the following statements about the ECM is most CORRECT?

Correct AnswerverifiedShow Answer

Which ECM molecule provides structure while allowing certain tissues to expand and contract (e.g., lungs during breathing, intestine during digestion) ?

Correct AnswerverifiedShow Answer

Correct Answer
verified

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