Question 1

Which organelle is most prominent in cells that make large amounts of protein?

Accepted Answer

A)  proteasome 
B)  nucleus 
C)  nucleolus 
D)  mitochondria 
E)  chromosome 
A)  proteasome 
B)  nucleus 
C)  nucleolus 
D)  mitochondria 
E)  chromosome

Question 2

A malignant neoplasm is often called an)________

Accepted Answer

The answer of A malignant neoplasm is often called an)________...

Question 3

When activated, lysosomes function in

Accepted Answer

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

Question 4

An impermeable carbohydrate that is often administered to patients suffering blood loss is

Accepted Answer

A)  dextran. 
B)  salt solution. 
C)  isotonic saline. 
D)  glucose. 
E)  saline solution. 
A)  dextran. 
B)  salt solution. 
C)  isotonic saline. 
D)  glucose. 
E)  saline solution.

Question 5

Figure 3- 1 The Plasmalemma
Use Figure 3- 1 to answer the following questions):
-Peroxisomes

Accepted Answer

A)  contain enzymes that break down hydrogen peroxide. 
B)  absorb and break down fatty acids, generating hydrogen peroxide in the process. 
C)  is another name for lysosomes. 
D)  both A and B 
E)  none of the above 
A)  contain enzymes that break down hydrogen peroxide. 
B)  absorb and break down fatty acids, generating hydrogen peroxide in the process. 
C)  is another name for lysosomes. 
D)  both A and B 
E)  none of the above

Question 6

Figure 3- 1 The Plasmalemma
Use Figure 3- 1 to answer the following questions):
-The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane- bound carrier proteins is called

Accepted Answer

A)  endocytosis. 
B)  exocytosis. 
C)  active transport. 
D)  facilitated diffusion. 
E)  osmosis. 
A)  endocytosis. 
B)  exocytosis. 
C)  active transport. 
D)  facilitated diffusion. 
E)  osmosis.

Question 7

The stage in a cell's life cycle in which the cell performs its normal functions and prepares for division is called

Accepted Answer

A)  anaphase. 
B)  prophase. 
C)  interphase. 
D)  metaphase. 
E)  telophase. 
A)  anaphase. 
B)  prophase. 
C)  interphase. 
D)  metaphase. 
E)  telophase.

Question 8

"Spikes" form on a blood cell when it is placed in an)____ solution.

Accepted Answer

A)  hypertonic 
B)  merotonic 
C)  hypotonic 
D)  homotonic 
E)  isotonic 
A)  hypertonic 
B)  merotonic 
C)  hypotonic 
D)  homotonic 
E)  isotonic

Question 9

Facilitated diffusion differs from ordinary diffusion in that

Accepted Answer

A)  facilitated diffusion never eliminates the concentration gradient. 
B)  facilitated diffusion moves molecules from an area of higher concentration to lower concentration. 
C)  facilitated diffusion consumes no ATP. 
D)  the rate of molecular movement is not limited by the number of available carrier molecules. 
E)  the rate of molecular movement is limited by the number of available carrier molecules. 
A)  facilitated diffusion never eliminates the concentration gradient. 
B)  facilitated diffusion moves molecules from an area of higher concentration to lower concentration. 
C)  facilitated diffusion consumes no ATP. 
D)  the rate of molecular movement is not limited by the number of available carrier molecules. 
E)  the rate of molecular movement is limited by the number of available carrier molecules.

Question 10

Figure 3- 2 The Anatomy of a Representative Cell
Use Figure 3- 2 to answer the following questions):
-Hemolysis may occur when a blood cell is placed into

Accepted Answer

A)  hypotonic solution. 
B)  hypertonic solution. 
C)  isotonic solution. 
D)  homotonic solution. 
E)  merotonic solution. 
A)  hypotonic solution. 
B)  hypertonic solution. 
C)  isotonic solution. 
D)  homotonic solution. 
E)  merotonic solution.

Question 11

The mRNA sequence that is complementary to the sequence ATC on DNA is

Accepted Answer

A)  AUC. 
B)  TAG. 
C)  AUG. 
D)  ATC. 
E)  UAG. 
A)  AUC. 
B)  TAG. 
C)  AUG. 
D)  ATC. 
E)  UAG.

Question 12

Many proteins in the cytosol are _____that accelerate metabolic reactions.

Accepted Answer

A)  messengers 
B)  carbohydrates 
C)  enzymes 
D)  ions 
E)  lipids 
A)  messengers 
B)  carbohydrates 
C)  enzymes 
D)  ions 
E)  lipids

Question 13

The nucleus is surrounded by the _ _ _

Accepted Answer

The answer of The nucleus is surrounded by the _...

Question 14

Tubulin is to microtubules as actin is to

Accepted Answer

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

Question 15

The following is a list of the steps involved in the process of secretion by the Golgi apparatus. 1. Material moves from cisterna to cisterna by means of transfer vesicles.
2) Exocytosis.
3) Products from RER are packaged into transport vesicles.
4) Secretory vesicles are formed at the maturing face.
5) Vesicles arrive at the forming face.
6) Enzymes modify arriving proteins and glycoproteins.
The proper order for these is

Accepted Answer

A)  4, 3, 1, 6, 5, 2. 
B)  5, 6, 1, 4, 2, 3. 
C)  3, 5, 6, 1, 4, 2. 
D)  1, 3, 6, 4, 2, 5. 
E)  2, 3, 5, 6, 1, 4. 
A)  4, 3, 1, 6, 5, 2. 
B)  5, 6, 1, 4, 2, 3. 
C)  3, 5, 6, 1, 4, 2. 
D)  1, 3, 6, 4, 2, 5. 
E)  2, 3, 5, 6, 1, 4.

Question 16

The components of ribosomes are formed within

Accepted Answer

A)  the endoplasmic reticulum. 
B)  mitochondria. 
C)  nucleoli. 
D)  lysosomes. 
E)  Golgi complexes. 
A)  the endoplasmic reticulum. 
B)  mitochondria. 
C)  nucleoli. 
D)  lysosomes. 
E)  Golgi complexes.

Question 17

Which organelles are involved in membrane flow? Trace the route of a single integral membrane protein from formation to incorporation into the plasma membrane.

Accepted Answer

All membranous organelles are involved i

Question 18

Differentiate between transcription and translation.

Accepted Answer

In transcription, RNA polymerase uses th

Question 19

The process by which cells become specialized is called__________

Accepted Answer

The answer of The process by which cells become specialized...

Question 20

Before the mRNA transcribed from a gene can be used to translate into a protein, it must be

Accepted Answer

A)  edited to remove introns. 
B)  edited to remove exons. 
C)  transported into the cytoplasm. 
D)  both A and C 
E)  both B and C 
A)  edited to remove introns. 
B)  edited to remove exons. 
C)  transported into the cytoplasm. 
D)  both A and C 
E)  both B and C

Exam 3: The Cellular Level of Organization

Which organelle is most prominent in cells that make large amounts of protein?

A malignant neoplasm is often called an)________

When activated, lysosomes function in

An impermeable carbohydrate that is often administered to patients suffering blood loss is

Figure 3- 1 The Plasmalemma Use Figure 3- 1 to answer the following questions): -Peroxisomes

Figure 3- 1 The Plasmalemma Use Figure 3- 1 to answer the following questions): -The process by which molecules such as glucose are moved into cells along their concentration gradient with the help of membrane- bound carrier proteins is called

The stage in a cell's life cycle in which the cell performs its normal functions and prepares for division is called

"Spikes" form on a blood cell when it is placed in an)____ solution.

Facilitated diffusion differs from ordinary diffusion in that

Figure 3- 2 The Anatomy of a Representative Cell Use Figure 3- 2 to answer the following questions): -Hemolysis may occur when a blood cell is placed into

The mRNA sequence that is complementary to the sequence ATC on DNA is

Many proteins in the cytosol are _____that accelerate metabolic reactions.

The nucleus is surrounded by the _ _ _

Tubulin is to microtubules as actin is to

The components of ribosomes are formed within

Which organelles are involved in membrane flow? Trace the route of a single integral membrane protein from formation to incorporation into the plasma membrane.

Differentiate between transcription and translation.

The process by which cells become specialized is called__________

Before the mRNA transcribed from a gene can be used to translate into a protein, it must be

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

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