Question 1

-Identify the anticodon in the image.

Accepted Answer

A) 4 
B) 7 
C) 5 
D) 2 
E) 6 
A) 4 
B) 7 
C) 5 
D) 2 
E) 6

Question 2

Briefly explain the process of active transport as it relates to the sodium-potassium pump.

Accepted Answer

Active transport requires cellular energ

Question 3

Which of the following contains an unusual double membrane?

Accepted Answer

A) mitochondrion 
B) nucleolus 
C) Golgi apparatus 
D) peroxisome 
E) lysosome 
A) mitochondrion 
B) nucleolus 
C) Golgi apparatus 
D) peroxisome 
E) lysosome

Question 4

The peroxisome

Accepted Answer

A) produces proteins. 
B) is responsible for the formation of microtubules. 
C) functions in macromolecular biosynthesis. 
D) breaks down fatty acids and other organic compounds. 
E) is responsible for cellular transport through the Golgi apparatus. 
A) produces proteins. 
B) is responsible for the formation of microtubules. 
C) functions in macromolecular biosynthesis. 
D) breaks down fatty acids and other organic compounds. 
E) is responsible for cellular transport through the Golgi apparatus.

Question 5

Transcription occurs in the

Accepted Answer

A) mitochondrion. 
B) cytoplasm. 
C) vesicles. 
D) Golgi body. 
E) nucleus. 
A) mitochondrion. 
B) cytoplasm. 
C) vesicles. 
D) Golgi body. 
E) nucleus.

Question 6

The primary components of the cytoskeleton are

Accepted Answer

A) microfilaments. 
B) microtubules. 
C) intermediate filaments. 
D) phospholipids. 
E) actin molecules. 
A) microfilaments. 
B) microtubules. 
C) intermediate filaments. 
D) phospholipids. 
E) actin molecules.

Question 7

A "benign tumor" refers to

Accepted Answer

A) any of various malignant neoplasms. 
B) neoplasms that have the tendency to metastasize to new sites. 
C) an illness characterized by malignant cells. 
D) abnormal cells remaining in one place. 
E) nonviable cells and/or tissue. 
A) any of various malignant neoplasms. 
B) neoplasms that have the tendency to metastasize to new sites. 
C) an illness characterized by malignant cells. 
D) abnormal cells remaining in one place. 
E) nonviable cells and/or tissue.

Question 8

The process of synthesizing a protein from mRNA instructions is called

Accepted Answer

A) replication. 
B) transcription. 
C) translation. 
D) ribolation. 
E) protein synthesis. 
A) replication. 
B) transcription. 
C) translation. 
D) ribolation. 
E) protein synthesis.

Question 9

Cilia are found

Accepted Answer

A) mostly in muscle cells. 
B) on the inside of cell membranes. 
C) in large numbers on cells that secrete hormones. 
D) in cells that are required to move fluids or secretions along the cell surface. 
E) only on cells lining the reproductive tract. 
A) mostly in muscle cells. 
B) on the inside of cell membranes. 
C) in large numbers on cells that secrete hormones. 
D) in cells that are required to move fluids or secretions along the cell surface. 
E) only on cells lining the reproductive tract.

Question 10

Peroxisomes are most closely related to

Accepted Answer

A) mitochondria. 
B) nuclei. 
C) nucleoli. 
D) Golgi apparati. 
E) lysosomes. 
A) mitochondria. 
B) nuclei. 
C) nucleoli. 
D) Golgi apparati. 
E) lysosomes.

Question 11

There are chemicals that bind to microfilaments and block the elongation of actin in a cell.This would damage

Accepted Answer

A) cell metabolism. 
B) protein synthesis. 
C) DNA replication. 
D) muscle contraction. 
E) ATP production. 
A) cell metabolism. 
B) protein synthesis. 
C) DNA replication. 
D) muscle contraction. 
E) ATP production.

Question 12

The movement of water across a membrane from an area of higher water (lower solute)concentration to an area of lower water (higher solute)concentration is known as

Accepted Answer

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

Question 13

A solution that contains a higher solute concentration than the cytoplasm of a cell is called

Accepted Answer

A) monotonic. 
B) hypertonic. 
C) isotonic. 
D) hypotonic. 
E) semitonic. 
A) monotonic. 
B) hypertonic. 
C) isotonic. 
D) hypotonic. 
E) semitonic.

Question 14

The DNA triplet is the same sequence as the ________,except that U replaces T.

Accepted Answer

A) chromatin 
B) histone 
C) codon 
D) gene 
E) anticodon 
A) chromatin 
B) histone 
C) codon 
D) gene 
E) anticodon

Question 15

The phosphate "head" of a phospholipid is

Accepted Answer

A) hydrophobic. 
B) hydrophilic. 
C) polar. 
D) nonpolar. 
E) both hydrophilic and polar. 
A) hydrophobic. 
B) hydrophilic. 
C) polar. 
D) nonpolar. 
E) both hydrophilic and polar.

Question 16

Which of the following is a function of the membrane proteins called channel proteins?

Accepted Answer

A) They bind to specific extracellular molecules to trigger a cellular change. 
B) They permit the passage of ions,bypassing the lipid portion of the cell membrane. 
C) They are enzymes. 
D) They serve as anchors or stabilizers for the cell membrane. 
E) They are used as a source of energy. 
A) They bind to specific extracellular molecules to trigger a cellular change. 
B) They permit the passage of ions,bypassing the lipid portion of the cell membrane. 
C) They are enzymes. 
D) They serve as anchors or stabilizers for the cell membrane. 
E) They are used as a source of energy.

Question 17

Looking at a tissue through a microscope,you notice that all of the cells along the free surface of the tissue have microvilli along the free edges of the cells.This would tell you that this tissue has what function?

Accepted Answer

A) the need to detoxify many chemicals 
B) a high metabolic rate 
C) phagocytosis 
D) motility 
E) absorption 
A) the need to detoxify many chemicals 
B) a high metabolic rate 
C) phagocytosis 
D) motility 
E) absorption

Question 18

Which of the following is a concept of the cell theory?

Accepted Answer

A) Cells are the basic structural unit of life. 
B) Tissues are the site of control. 
C) Organelles are the basic functional unit of life. 
D) Cells are produced by meiosis. 
E) Cells are immortal. 
A) Cells are the basic structural unit of life. 
B) Tissues are the site of control. 
C) Organelles are the basic functional unit of life. 
D) Cells are produced by meiosis. 
E) Cells are immortal.

Question 19

The process of binding a specific molecule and then bringing it into the cell in a vesicle is called

Accepted Answer

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

Question 20

During transcription,a sequence of three nitrogenous bases along the new mRNA strand represents a(n)________ that is complementary to the corresponding triplet along the gene.

Accepted Answer

A) triplet 
B) tRNA 
C) anticodon 
D) antitriplet 
E) codon 
A) triplet 
B) tRNA 
C) anticodon 
D) antitriplet 
E) codon

-Identify the anticodon in the image.

Briefly explain the process of active transport as it relates to the sodium-potassium pump.

Which of the following contains an unusual double membrane?

The peroxisome

Transcription occurs in the

The primary components of the cytoskeleton are

A "benign tumor" refers to

The process of synthesizing a protein from mRNA instructions is called

Cilia are found

Peroxisomes are most closely related to

There are chemicals that bind to microfilaments and block the elongation of actin in a cell.This would damage

The movement of water across a membrane from an area of higher water (lower solute)concentration to an area of lower water (higher solute)concentration is known as

A solution that contains a higher solute concentration than the cytoplasm of a cell is called

The DNA triplet is the same sequence as the ________,except that U replaces T.

The phosphate "head" of a phospholipid is

Which of the following is a function of the membrane proteins called channel proteins?

Looking at a tissue through a microscope,you notice that all of the cells along the free surface of the tissue have microvilli along the free edges of the cells.This would tell you that this tissue has what function?

Which of the following is a concept of the cell theory?

The process of binding a specific molecule and then bringing it into the cell in a vesicle is called

During transcription,a sequence of three nitrogenous bases along the new mRNA strand represents a(n)________ that is complementary to the corresponding triplet along the gene.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Exam 3: Cell Structure and Function

-Identify the anticodon in the image.

Briefly explain the process of active transport as it relates to the sodium-potassium pump.

Which of the following contains an unusual double membrane?

The peroxisome

Transcription occurs in the

The primary components of the cytoskeleton are

A "benign tumor" refers to

The process of synthesizing a protein from mRNA instructions is called

Cilia are found

Peroxisomes are most closely related to

There are chemicals that bind to microfilaments and block the elongation of actin in a cell.This would damage

The movement of water across a membrane from an area of higher water (lower solute)concentration to an area of lower water (higher solute)concentration is known as

A solution that contains a higher solute concentration than the cytoplasm of a cell is called

The DNA triplet is the same sequence as the ________,except that U replaces T.

The phosphate "head" of a phospholipid is

Which of the following is a function of the membrane proteins called channel proteins?

Looking at a tissue through a microscope,you notice that all of the cells along the free surface of the tissue have microvilli along the free edges of the cells.This would tell you that this tissue has what function?

Which of the following is a concept of the cell theory?

The process of binding a specific molecule and then bringing it into the cell in a vesicle is called

During transcription,a sequence of three nitrogenous bases along the new mRNA strand represents a(n)________ that is complementary to the corresponding triplet along the gene.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The Nervous System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters