Question 1

All of the following are true of the plasma membrane, except

Accepted Answer

A)  it is mainly composed of a phospholipid bilayer. 
B)  it is selectively permeable to various substances, controlling which substances can cross the membrane. 
C)  the glycocalyx provides structural integrity to the plasma membrane. 
D)  transmembrane proteins may function as ion channels, enzymes, or receptors. 
E)  charged or large molecules can sometimes enter a cell via membrane proteins. 
A)  it is mainly composed of a phospholipid bilayer. 
B)  it is selectively permeable to various substances, controlling which substances can cross the membrane. 
C)  the glycocalyx provides structural integrity to the plasma membrane. 
D)  transmembrane proteins may function as ion channels, enzymes, or receptors. 
E)  charged or large molecules can sometimes enter a cell via membrane proteins. C

Question 2

Which of the following organelles provide additional surface area for absorption?

Accepted Answer

A)  Cilia 
B)  Microvilli 
C)  Ribosomes 
D)  Flagella 
E)  Centrioles 
A)  Cilia 
B)  Microvilli 
C)  Ribosomes 
D)  Flagella 
E)  Centrioles B

Question 3

The rough endoplasmic reticulum is a group of flattened sacs that packages glycoproteins to be transported around the cell or excreted.

Accepted Answer

A) True 
 B)False  False

Question 4

The cytosol and cytoplasmic organelles are components of the ________.

Accepted Answer

A)  cytoskeleton 
B)  cytoplasm 
C)  mitochondria 
D)  nucleus 
E)  plasma membrane 
A)  cytoskeleton 
B)  cytoplasm 
C)  mitochondria 
D)  nucleus 
E)  plasma membrane

Question 5

All of the following structures are found in (or surrounding) the nucleus of a cell, except the ________.

Accepted Answer

A)  centrioles 
B)  chromatin 
C)  nucleolus 
D)  nuclear envelope 
E)  nuclear pores 
A)  centrioles 
B)  chromatin 
C)  nucleolus 
D)  nuclear envelope 
E)  nuclear pores

Question 6

The nucleolus is the site of DNA replication.

Accepted Answer

A) True 
 B)False

Question 7

The nuclear envelope is a double-layered membrane, like the plasma membrane.

Accepted Answer

A) True 
 B)False

Question 8

What is the difference in function between the smooth and rough endoplasmic reticulum (ER)?

Accepted Answer

A)  The rough ER produces ATP, while the smooth ER does not. 
B)  The rough ER helps with cellular movements, while the smooth ER does not. 
C)  The rough ER conducts lipid synthesis, while the smooth ER conducts protein synthesis. 
D)  The rough ER breaks down lipids, while the smooth ER breaks down proteins and debris. 
E)  The rough ER conducts protein synthesis, while the smooth ER conducts lipid synthesis. 
A)  The rough ER produces ATP, while the smooth ER does not. 
B)  The rough ER helps with cellular movements, while the smooth ER does not. 
C)  The rough ER conducts lipid synthesis, while the smooth ER conducts protein synthesis. 
D)  The rough ER breaks down lipids, while the smooth ER breaks down proteins and debris. 
E)  The rough ER conducts protein synthesis, while the smooth ER conducts lipid synthesis.

Question 9

All of the following structures are involved in motility, except

Accepted Answer

A)  microvilli. 
B)  cilia. 
C)  microtubules. 
D)  microfilaments. 
E)  flagella. 
A)  microvilli. 
B)  cilia. 
C)  microtubules. 
D)  microfilaments. 
E)  flagella.

Question 10

The best way to observe cheek cells is under a dissecting microscope; they are too large to view under a compound light microscope.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following organelles is sometimes called the powerhouse of the cell, because of its role in ATP production?

Accepted Answer

A)  Golgi apparatus 
B)  Centrosome 
C)  Lysosomes 
D)  Mitochondria 
E)  Peroxisomes 
A)  Golgi apparatus 
B)  Centrosome 
C)  Lysosomes 
D)  Mitochondria 
E)  Peroxisomes

Question 12

The plasma membrane of a cell can also be called the cell membrane.

Accepted Answer

A) True 
 B)False

Question 13

All of the following are true of the centrioles, except

Accepted Answer

A)  they are located within the centrosome. 
B)  they are part of the cytoskeleton. 
C)  they consist of microtubules. 
D)  they organize the mitotic spindle during cell division. 
E)  they are nonmembranous organelles. 
A)  they are located within the centrosome. 
B)  they are part of the cytoskeleton. 
C)  they consist of microtubules. 
D)  they organize the mitotic spindle during cell division. 
E)  they are nonmembranous organelles.

Question 14

What do lysosomes and peroxisomes have in common?

Accepted Answer

A)  They both have specific roles in cell division 
B)  They are both involved in ATP production for the cell. 
C)  They are both vesicles (sacs) of enzymes. 
D)  They both produce proteins for the cell. 
E)  They are both part of the cytoskeleton. 
A)  They both have specific roles in cell division 
B)  They are both involved in ATP production for the cell. 
C)  They are both vesicles (sacs) of enzymes. 
D)  They both produce proteins for the cell. 
E)  They are both part of the cytoskeleton.

Question 15

Which of the following organelles are sometimes called "suicide sacs," because they are able to destroy the whole cell?

Accepted Answer

A)  Ribosomes 
B)  Golgi apparatus 
C)  Lysosomes 
D)  Mitochondria 
E)  Centrioles 
A)  Ribosomes 
B)  Golgi apparatus 
C)  Lysosomes 
D)  Mitochondria 
E)  Centrioles

Question 16

All of the organelles in the cell are membrane-bound.

Accepted Answer

A) True 
 B)False

Exam 5: Cell Structure and Function

All of the following are true of the plasma membrane, except

Which of the following organelles provide additional surface area for absorption?

The rough endoplasmic reticulum is a group of flattened sacs that packages glycoproteins to be transported around the cell or excreted.

The cytosol and cytoplasmic organelles are components of the ________.

All of the following structures are found in (or surrounding) the nucleus of a cell, except the ________.

The nucleolus is the site of DNA replication.

The nuclear envelope is a double-layered membrane, like the plasma membrane.

What is the difference in function between the smooth and rough endoplasmic reticulum (ER)?

All of the following structures are involved in motility, except

The best way to observe cheek cells is under a dissecting microscope; they are too large to view under a compound light microscope.

Which of the following organelles is sometimes called the powerhouse of the cell, because of its role in ATP production?

The plasma membrane of a cell can also be called the cell membrane.

All of the following are true of the centrioles, except

What do lysosomes and peroxisomes have in common?

Which of the following organelles are sometimes called "suicide sacs," because they are able to destroy the whole cell?

All of the organelles in the cell are membrane-bound.

Scientific Method and Measurements

Body Organization, Membranes, and Terminology

Chemistry of Life

Care and Use of the Microscope

Movements Through Membranes

Cell Cycle

Epithelial Tissues

Connective Tissues

Muscle and Nervous Tissues

Integumentary System

Bone Structure and Classification

Organization of the Skeleton

Skull

Vertebral Column and Thoracic Cage

Pectoral Girdle and Upper Limb

Pelvic Girdle and Lower Limb

Fetal Skeleton

Joint Structure and Movements

Skeletal Muscle Structure and Function

Electromyography: Biopac Exercise

Muscles of the Head and Neck

Muscles of the Chest, Shoulder, and Upper Limb

Muscles of the Vertebral Column, Abdominal Wall, and Pelvic Floor

Muscles of the Hip and Lower Limb

Surface Anatomy

Nervous Tissue and Nerves

Meninges, Spinal Cord, and Spinal Nerves

Reflex Arc and Somatic Reflexes

Brain and Cranial Nerves

Reaction Time: Biopac Exercise

Electroencephalography I: Biopac Exercise

Dissection of the Sheep Brain

General Senses

Smell and Taste

Eye Structure

Visual Tests and Demonstrations

Ear and Hearing

Ear and Equilibrium

Endocrine Structure and Function

Diabetic Physiology

Blood Cells

Blood Testing

Blood Typing

Heart Structure

Cardiac Cycle

Electrocardiography: Biopac Exercise

Blood Vessel Structure, Arteries, and Veins

Pulse Rate and Blood Pressure

Lymphatic System

Respiratory Organs

Breathing and Respiratory Volumes

Spirometry: Biopac Exercise

Control of Breathing

Digestive Organs

Action of a Digestive Enzyme

Metabolism

Urinary Organs

Urinalysis

Male Reproductive System

Female Reproductive System

Meiosis, Fertilization, and Early Development

Genetics

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