Question 1

Nucleoli function in the production of ________.

Accepted Answer

The answer of Nucleoli function in the production of ________....

Question 2

Describe the two general meanings of the term membrane,as used in biology.Which usage indicates layers of cells and which indicates layers of molecules?

Accepted Answer

Prior to the use of microscopes,membrane

Question 3

What is/are the major role(s)of the phospholipid bilayer?

Accepted Answer

A)  the absorption of fats only 
B)  the formation of a barrier that is selectively permeable to lipid-soluble molecules only 
C)  to provide a framework for membrane proteins only 
D)  to carry water-soluble molecules through a hydrophobic environment only 
E)  the formation of a barrier that is selectively permeable to lipid-soluble molecules and to provide a framework for membrane proteins 
A)  the absorption of fats only 
B)  the formation of a barrier that is selectively permeable to lipid-soluble molecules only 
C)  to provide a framework for membrane proteins only 
D)  to carry water-soluble molecules through a hydrophobic environment only 
E)  the formation of a barrier that is selectively permeable to lipid-soluble molecules and to provide a framework for membrane proteins

Question 4

The five functional types of epithelia are listed below. Match each type with its location and/or description.
-These cells produce a substance and release it,either onto a surface or directly into the blood.

Accepted Answer

A) exchange 
B) transport 
C) ciliated 
D) protective 
E) secretory 
A) exchange 
B) transport 
C) ciliated 
D) protective 
E) secretory

Question 5

Which of the following is NOT a membrane lipid?

Accepted Answer

A)  sphingolipids 
B)  cholesterol 
C)  phospholipids 
D)  All are membrane lipids. 
A)  sphingolipids 
B)  cholesterol 
C)  phospholipids 
D)  All are membrane lipids.

Question 6

During a lab practical,Kevin examines a tissue that is composed of densely packed protein fibers that are running parallel and form a cord.There are few nuclei and no striations,and there is no evidence of other cellular structures.Kevin identifies the tissue as skeletal muscle.Why is Kevin's choice wrong,and what tissue is he probably observing?

Accepted Answer

Skeletal muscle tissue is made up of den

Question 7

If a person who has not exercised regularly begins a consistent exercise routine,she will notice that her metabolism will seem to increase as her endurance improves.Why is this?

Accepted Answer

Metabolism will increase with endurance

Question 8

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

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 9

If the adrenal cortex produces lipid based hormones such as aldosterone,which organelle would be higher in cells of the adrenal cortex than in the adrenal medulla?

Accepted Answer

A)  Golgi apparatus 
B)  mitochondria 
C)  ribosome 
D)  rough endoplasmic reticulum 
E)  smooth endoplasmic reticulum 
A)  Golgi apparatus 
B)  mitochondria 
C)  ribosome 
D)  rough endoplasmic reticulum 
E)  smooth endoplasmic reticulum

Question 10

Each of the following statements concerning mitochondria is TRUE except one.Identify the exception.

Accepted Answer

A)  The mitochondrial cristae increase the inner surface area of the organelle. 
B)  The matrix of the mitochondria contains metabolic enzymes involved in energy production. 
C)  Respiratory enzymes are attached to the surface of the cristae. 
D)  The mitochondria contain no DNA or RNA. 
E)  The mitochondria produce most of a cell's ATP. 
A)  The mitochondrial cristae increase the inner surface area of the organelle. 
B)  The matrix of the mitochondria contains metabolic enzymes involved in energy production. 
C)  Respiratory enzymes are attached to the surface of the cristae. 
D)  The mitochondria contain no DNA or RNA. 
E)  The mitochondria produce most of a cell's ATP.

Question 11

If immunizations were available to prevent cancer,would you want your children to receive them? Explain.Is it likely that one immunization would prevent all cancers? Explain.

Accepted Answer

(Note to instructor: Students will need

Question 12

Which of the following is NOT a molecule synthesized in the smooth endoplasmic reticulum (SER)?

Accepted Answer

A)  fatty acids 
B)  steroids 
C)  proteins 
D)  lipids 
E)  All are synthesized in the SER. 
A)  fatty acids 
B)  steroids 
C)  proteins 
D)  lipids 
E)  All are synthesized in the SER.

Question 13

Which of the following is NOT a function of membrane proteins?

Accepted Answer

A)  bind to ligands 
B)  regulate the passage of ions 
C)  act as transport molecules for various solutes 
D)  anchor or stabilize the cell membrane 
E)  produce energy 
A)  bind to ligands 
B)  regulate the passage of ions 
C)  act as transport molecules for various solutes 
D)  anchor or stabilize the cell membrane 
E)  produce energy

Question 14

A liposome is

Accepted Answer

A)  only an additive to creams and lotions. 
B)  only a drug-delivery vehicle. 
C)  only a type of lipid. 
D)  only a structural component of cell membranes. 
E)  an additive to creams and lotions and a drug-delivery vehicle. 
A)  only an additive to creams and lotions. 
B)  only a drug-delivery vehicle. 
C)  only a type of lipid. 
D)  only a structural component of cell membranes. 
E)  an additive to creams and lotions and a drug-delivery vehicle.

Question 15

Which cellular organelle is considered the powerhouse of the cell?

Accepted Answer

A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  mitochondria 
D)  nucleus 
E)  ribosome 
A)  endoplasmic reticulum 
B)  Golgi apparatus 
C)  mitochondria 
D)  nucleus 
E)  ribosome

Question 16

________ proteins attach loosely to other membrane proteins or polar regions of phospholipids.

Accepted Answer

The answer of ________ proteins attach loosely to other membrane...

Question 17

Exocrine glands

Accepted Answer

A)  may make either mucous or serous secretions. 
B)  release their secretions into the external environment. 
C)  release their secretions through open tubes, called ducts. 
D)  may work as single cells or as a multicellular organ. 
E)  All of the statements are true. 
A)  may make either mucous or serous secretions. 
B)  release their secretions into the external environment. 
C)  release their secretions through open tubes, called ducts. 
D)  may work as single cells or as a multicellular organ. 
E)  All of the statements are true.

Question 18

On the row of cells indicated below,match A-E to the terms in the following question(s).   Figure 3.1
-basal lamina

Accepted Answer

The answer of On the row of cells indicated below,match...

Question 19

Match the organelle with its function.
-The "powerhouse" of the cell,ATP is produced here.

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 20

Neurons in the CNS of the adult don't contain centrioles.What does that tell you about CNS neurons?

Accepted Answer

A)  They don't produce any products. 
B)  It doesn't tell you much of anything. 
C)  They don't replicate themselves. 
D)  They don't carry nerve impulses. 
A)  They don't produce any products. 
B)  It doesn't tell you much of anything. 
C)  They don't replicate themselves. 
D)  They don't carry nerve impulses.

Exam 3: Compartmentation: Cells and Tissues

Nucleoli function in the production of ________.

Describe the two general meanings of the term membrane,as used in biology.Which usage indicates layers of cells and which indicates layers of molecules?

What is/are the major role(s)of the phospholipid bilayer?

The five functional types of epithelia are listed below. Match each type with its location and/or description. -These cells produce a substance and release it,either onto a surface or directly into the blood.

Which of the following is NOT a membrane lipid?

If a person who has not exercised regularly begins a consistent exercise routine,she will notice that her metabolism will seem to increase as her endurance improves.Why is this?

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

If the adrenal cortex produces lipid based hormones such as aldosterone,which organelle would be higher in cells of the adrenal cortex than in the adrenal medulla?

Each of the following statements concerning mitochondria is TRUE except one.Identify the exception.

If immunizations were available to prevent cancer,would you want your children to receive them? Explain.Is it likely that one immunization would prevent all cancers? Explain.

Which of the following is NOT a molecule synthesized in the smooth endoplasmic reticulum (SER)?

Which of the following is NOT a function of membrane proteins?

A liposome is

Which cellular organelle is considered the powerhouse of the cell?

________ proteins attach loosely to other membrane proteins or polar regions of phospholipids.

Exocrine glands

On the row of cells indicated below,match A-E to the terms in the following question(s). Figure 3.1 -basal lamina

Match the organelle with its function. -The "powerhouse" of the cell,ATP is produced here.

Neurons in the CNS of the adult don't contain centrioles.What does that tell you about CNS neurons?

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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