Question 1

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. 
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.

Question 2

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)  hepatic 
A)  muscle 
B)  connective 
C)  epithelial 
D)  nervous 
E)  hepatic

Question 3

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 4

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)  hepatic 
A)  muscle 
B)  connective 
C)  epithelial 
D)  nervous 
E)  hepatic

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)  desmosomes 
A)  gap junctions 
B)  adherens junctions 
C)  focal adhesions 
D)  hemidesmosomes 
E)  desmosomes

Question 6

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. 
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.

Question 7

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)  laminin 
A)  proteoglycan 
B)  glycosaminoglycans 
C)  collagen 
D)  chitin 
E)  laminin

Question 8

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. 
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.

Question 9

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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

Question 12

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)  fibronectin 
A)  adherens junctions 
B)  desmosomes 
C)  hemidesmosomes 
D)  focal adhesions 
E)  fibronectin

Question 13

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. 
A)  cadherins. 
B)  Ca2+. 
C)  intermediate filaments. 
D)  linker protein. 
E)  actin filaments.

Question 14

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

Accepted Answer

A)  kidney 
B)  intestine 
C)  eye 
D)  cartilage 
E)  muscle 
A)  kidney 
B)  intestine 
C)  eye 
D)  cartilage 
E)  muscle

Question 15

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)  glycosaminoglycans 
A)  collagen 
B)  elastin 
C)  fibronectin 
D)  laminin 
E)  glycosaminoglycans

Question 16

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

Exam 10: Multicellularity

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

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

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

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

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

Which of the following is TRUE of cork?

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

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

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

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

Which of the following type of organism is always multicellular?

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

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

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

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

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

An Introduction to Biology

The Chemical Basis of Life I: Atoms, Molecules, and Water

The Chemical Basis of Life II: Organic Molecules

General Features of Cells

Membrane Structure, Synthesis, and Transport

An Introduction to Energy, Enzymes, and Metabolism

Cellular Respiration, Fermentation, and Secondary Metabolism

Photosynthesis

Cell Communication

Nucleic Acid Structure, DNA Replication, and Chromosome Structure

Gene Expression at the Molecular Level

Gene Regulation

Mutation, DNA Repair, and Cancer

The Eukaryotic Cell Cycle, Mitosis, and Meiosis

Simple Patterns of Inheritance

Complex Patterns of Inheritance

Genetics of Viruses and Bacteria

Developmental Genetics

Genetic Technology

Genomes, Proteomes, and Bioinformatics

The Origin and History of Life

An Introduction to Evolution

Population Genetics

Origin of Species and Macroevolution

Taxonomy and Systematics

Bacteria and Archaea

Protists

Plants and the Conquest of Land

The Evolution and Diversity of Modern Gymnosperms and Angiosperms

Fungi

An Introduction to Animal Diversity

The Invertebrates

The Vertebrates

An Introduction to Flowering Plant Form and Function

Flowering Plants: Behavior

Flowering Plants: Nutrition

Flowering Plants: Transport

Flowering Plants: Reproduction

Introduction to Animal Form and Function

Neuroscience I: Cells of the Nervous System

Neuroscience Ii: Evolution and Function of the Brain and Nervous Systems

Neuroscience Iii: Sensory Systems

The Muscular-Skeletal System and Locomotion

Nutrition, Digestion, and Absorption

Control of Energy Balance, Metabolic Rate, and Body Temperature

Circulatory Systems

Respiratory Systems

Excretory Systems and Salt and Water Balance

Endocrine Systems

Animal Reproduction

Animal Development

Immune Systems

An Introduction to Ecology and Biomes

Behavioral Ecology

Population Ecology

Species Interactions

Community Ecology

Ecosystems Ecology

Biodiversity and Conservation Biology

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