Question 1

The proper distribution of a cell's genetic material to two daughter cells is accomplished by the process of ________.

Accepted Answer

The answer of The proper distribution of a cell's genetic...

Question 2

Microfilaments

Accepted Answer

A)  anchor the cytoskeleton to membrane proteins. 
B)  control the consistency of cytoplasm. 
C)  with myosin, produce cell movement. 
D)  all of the above 
E)  none of the above 
A)  anchor the cytoskeleton to membrane proteins. 
B)  control the consistency of cytoplasm. 
C)  with myosin, produce cell movement. 
D)  all of the above 
E)  none of the above

Question 3

Specific proteins are manufactured through the interaction of ________ and ________.

Accepted Answer

A)  multiple enzymes; three types of RNA 
B)  multiple enzymes; two types of RNA 
C)  multiple carbohydrates; three types of DNA 
D)  multiple proteins; three types of DNA 
E)  multiple enzymes; three types of DNA 
A)  multiple enzymes; three types of RNA 
B)  multiple enzymes; two types of RNA 
C)  multiple carbohydrates; three types of DNA 
D)  multiple proteins; three types of DNA 
E)  multiple enzymes; three types of DNA

Question 4

Most of the ATP required to power cellular operations is produced in the

Accepted Answer

A)  cytoplasm. 
B)  endoplasmic reticulum. 
C)  nucleus. 
D)  mitochondria. 
E)  cilia. 
A)  cytoplasm. 
B)  endoplasmic reticulum. 
C)  nucleus. 
D)  mitochondria. 
E)  cilia.

Question 5

Tubulin is to microtubules as actin is to

Accepted Answer

A)  ribosomes. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  flagella. 
E)  microvilli. 
A)  ribosomes. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  flagella. 
E)  microvilli.

Question 6

When activated, lysosomes function in

Accepted Answer

A)  formation of new cell membranes. 
B)  synthesis of proteins. 
C)  digestion of foreign material. 
D)  synthesis of lipids. 
E)  cell division. 
A)  formation of new cell membranes. 
B)  synthesis of proteins. 
C)  digestion of foreign material. 
D)  synthesis of lipids. 
E)  cell division.

Question 7

Which of the following terms is not used to define the structure that separates the contents of a human cell from its surrounding medium?

Accepted Answer

A)  cell wall 
B)  cell membrane 
C)  plasma membrane 
D)  organic membrane 
E)  All of the above are used for the definition given. 
A)  cell wall 
B)  cell membrane 
C)  plasma membrane 
D)  organic membrane 
E)  All of the above are used for the definition given.

Question 8

The watery component of the cytoplasm is called

Accepted Answer

A)  cytosol. 
B)  protoplasm. 
C)  extracellular fluid. 
D)  interstitial fluid. 
E)  a colloidal gel. 
A)  cytosol. 
B)  protoplasm. 
C)  extracellular fluid. 
D)  interstitial fluid. 
E)  a colloidal gel.

Question 9

The functional units of DNA that contain the instructions for making one or more proteins are

Accepted Answer

A)  chromosomes. 
B)  genes. 
C)  ribosomes. 
D)  codons. 
E)  RNA. 
A)  chromosomes. 
B)  genes. 
C)  ribosomes. 
D)  codons. 
E)  RNA.

Question 10

Microfilaments

Accepted Answer

A)  are usually composed of myosin. 
B)  are hollow, filamentous structures. 
C)  anchor the cytoskeleton to integral proteins of the cell membrane. 
D)  interact with filaments composed of tubulin to produce muscle contractions. 
E)  are found in the cytoplasm radiating away from the centrosome. 
A)  are usually composed of myosin. 
B)  are hollow, filamentous structures. 
C)  anchor the cytoskeleton to integral proteins of the cell membrane. 
D)  interact with filaments composed of tubulin to produce muscle contractions. 
E)  are found in the cytoplasm radiating away from the centrosome.

Question 11

A defense cell engulfing a bacterium illustrates

Accepted Answer

A)  pinocytosis. 
B)  endocytosis. 
C)  exocytosis. 
D)  phagocytosis. 
E)  receptor-mediated endocytosis. 
A)  pinocytosis. 
B)  endocytosis. 
C)  exocytosis. 
D)  phagocytosis. 
E)  receptor-mediated endocytosis.

Question 12

If an animal cell lacked centrioles, it would not be able to

Accepted Answer

A)  move. 
B)  synthesize proteins. 
C)  produce DNA. 
D)  metabolize sugars. 
E)  form the mitotic spindle. 
A)  move. 
B)  synthesize proteins. 
C)  produce DNA. 
D)  metabolize sugars. 
E)  form the mitotic spindle.

Question 13

Each of the following is a function of smooth endoplasmic reticulum, except

Accepted Answer

A)  synthesis of glycogen. 
B)  modification of protein. 
C)  synthesis of steroid hormones. 
D)  synthesis of triglycerides. 
E)  synthesis of cholesterol. 
A)  synthesis of glycogen. 
B)  modification of protein. 
C)  synthesis of steroid hormones. 
D)  synthesis of triglycerides. 
E)  synthesis of cholesterol.

Question 14

Diffusion of a substance across the cell membrane is influenced by all of the following, except

Accepted Answer

A)  hydrolysis of ATP. 
B)  the presence of the membrane channels. 
C)  the charge of the substance. 
D)  concentration gradient. 
E)  lipid solubility. 
A)  hydrolysis of ATP. 
B)  the presence of the membrane channels. 
C)  the charge of the substance. 
D)  concentration gradient. 
E)  lipid solubility.

Question 15

The plasma membrane includes

Accepted Answer

A)  integral proteins. 
B)  glycolipids. 
C)  phospholipids. 
D)  all of the above 
E)  none of the above 
A)  integral proteins. 
B)  glycolipids. 
C)  phospholipids. 
D)  all of the above 
E)  none of the above

Question 16

What are the similarities between facilitated diffusion and active transport?
B) What are the differences?

Accepted Answer

A) Both processes use carrier proteins a

Question 17

Membrane proteins perform which of the following functions?

Accepted Answer

A)  anchoring 
B)  receptors 
C)  recognition 
D)  channels 
E)  all of the above 
A)  anchoring 
B)  receptors 
C)  recognition 
D)  channels 
E)  all of the above

Question 18

Special cells called ________ maintain tissues by unending cycles of cell division.

Accepted Answer

The answer of Special cells called ________ maintain tissues by...

Question 19

Differentiate between transcription and translation.

Accepted Answer

In transcription, RNA polymerase uses th

Question 20

Functions of the plasma membrane include all of the following, except

Accepted Answer

A)  separation of the cytoplasm from the extracellular fluid. 
B)  regulation of exchange of materials with the extracellular environment. 
C)  sensitivity to chemical changes in the extracellular fluid. 
D)  thermal insulation. 
E)  structural support. 
A)  separation of the cytoplasm from the extracellular fluid. 
B)  regulation of exchange of materials with the extracellular environment. 
C)  sensitivity to chemical changes in the extracellular fluid. 
D)  thermal insulation. 
E)  structural support.

Exam 3: Cellular Level of Organization

The proper distribution of a cell's genetic material to two daughter cells is accomplished by the process of ________.

Microfilaments

Specific proteins are manufactured through the interaction of ________ and ________.

Most of the ATP required to power cellular operations is produced in the

Tubulin is to microtubules as actin is to

When activated, lysosomes function in

Which of the following terms is not used to define the structure that separates the contents of a human cell from its surrounding medium?

The watery component of the cytoplasm is called

The functional units of DNA that contain the instructions for making one or more proteins are

Microfilaments

A defense cell engulfing a bacterium illustrates

If an animal cell lacked centrioles, it would not be able to

Each of the following is a function of smooth endoplasmic reticulum, except

Diffusion of a substance across the cell membrane is influenced by all of the following, except

The plasma membrane includes

What are the similarities between facilitated diffusion and active transport? B) What are the differences?

Membrane proteins perform which of the following functions?

Special cells called ________ maintain tissues by unending cycles of cell division.

Differentiate between transcription and translation.

Functions of the plasma membrane include all of the following, except

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters

Specific proteins are manufactured through the interaction of and .