Question 1

What is the transport mechanism in this description: A passive process that "pulls" water from an area where there is more water to an area where there is less water?

Accepted Answer

A)  Filtration 
B)  Endocytosis 
C)  An ATP-driven pump 
D)  Osmosis 
A)  Filtration 
B)  Endocytosis 
C)  An ATP-driven pump 
D)  Osmosis

Question 2

In which structure is most DNA found?

Accepted Answer

A)  Nucleus 
B)  Mitochondrion 
C)  Lysosome 
D)  Golgi apparatus 
A)  Nucleus 
B)  Mitochondrion 
C)  Lysosome 
D)  Golgi apparatus

Question 3

Methotrexate,an anticancer drug that interferes with cell replication,is most effective when the cancer cell is in the S phase of the cell cycle.Which of the following best describes methotrexate?

Accepted Answer

A)  Cell cycle phase specific 
B)  Stem cell stimulator 
C)  Anaplastic 
D)  Keratinized 
A)  Cell cycle phase specific 
B)  Stem cell stimulator 
C)  Anaplastic 
D)  Keratinized

Question 4

Which of the following is most associated with the ribosome?

Accepted Answer

A)  ATP production 
B)  Intracellular housecleaning 
C)  Glycogen storage 
D)  Protein synthesis 
A)  ATP production 
B)  Intracellular housecleaning 
C)  Glycogen storage 
D)  Protein synthesis

Question 5

What is the name of the process in which an intracellular protein-containing vesicle fuses with the cell membrane and expels the protein to the outside of the cell?

Accepted Answer

A)  Endocytosis 
B)  Pinocytosis 
C)  Exocytosis 
D)  Phagocytosis 
A)  Endocytosis 
B)  Pinocytosis 
C)  Exocytosis 
D)  Phagocytosis

Question 6

Which of the following is common to the ribosomes,rough ER,and Golgi apparatus?

Accepted Answer

A)  ATP-producing organelles 
B)  Protein synthesis 
C)  Ammonia producing 
D)  Glycogen storage 
A)  ATP-producing organelles 
B)  Protein synthesis 
C)  Ammonia producing 
D)  Glycogen storage

Question 7

Which type of solution causes crenation or shrinkage of submerged red blood cells?

Accepted Answer

A)  Hypotonic 
B)  Isotonic 
C)  Hypertonic 
D)  Water 
A)  Hypotonic 
B)  Isotonic 
C)  Hypertonic 
D)  Water

Question 8

Which structure is described as a semipermeable lipid bilayer?

Accepted Answer

A)  Lysosome 
B)  Mitochondrion 
C)  Ribosome 
D)  Cell membrane 
A)  Lysosome 
B)  Mitochondrion 
C)  Ribosome 
D)  Cell membrane

Question 9

Which of the following best describes the eating of a bacterium by a lysosome?

Accepted Answer

A)  Differentiation 
B)  Phagocytosis 
C)  Meiosis 
D)  Hemolysis 
A)  Differentiation 
B)  Phagocytosis 
C)  Meiosis 
D)  Hemolysis

Question 10

Which word means "the bursting of red blood cells"?

Accepted Answer

A)  Endocytosis 
B)  Hemolysis 
C)  Crenation 
D)  Catalyst 
A)  Endocytosis 
B)  Hemolysis 
C)  Crenation 
D)  Catalyst

Question 11

If a cell is placed in a hypotonic solution such as water,the cell will

Accepted Answer

A)  crenate. 
B)  shrink. 
C)  swell and burst. 
D)  differentiate. 
A)  crenate. 
B)  shrink. 
C)  swell and burst. 
D)  differentiate.

Question 12

The first gap phase (G₁),second gap phase (G₂),and synthesis phase (S)

Accepted Answer

A)  occur during interphase. 
B)  include prophase, metaphase, anaphase, and telophase. 
C)  are stages of mitosis. 
D)  all of the above are true. 
A)  occur during interphase. 
B)  include prophase, metaphase, anaphase, and telophase. 
C)  are stages of mitosis. 
D)  all of the above are true.

Question 13

What is the primary difference between diffusion and facilitated diffusion?

Accepted Answer

A)  One is active and the other is passive. 
B)  One requires ATP and the other doesn't. 
C)  Diffusion involves the movement of a substance from high concentration to a lower concentration. Facilitated diffusion moves a substance from a lower concentration to a higher concentration. 
D)  Facilitated diffusion uses a "helper" molecule to move a substance passively. 
A)  One is active and the other is passive. 
B)  One requires ATP and the other doesn't. 
C)  Diffusion involves the movement of a substance from high concentration to a lower concentration. Facilitated diffusion moves a substance from a lower concentration to a higher concentration. 
D)  Facilitated diffusion uses a "helper" molecule to move a substance passively.

Question 14

A child has experienced a blow to the head causing a slow bleed.Although the bleeding has stopped,the blood clot continues to expand because

Accepted Answer

A)  brain tissue grows into the blood clot. 
B)  plasma protein is used by the brain to make additional nerve tissue to replace what was damaged. 
C)  the particles of the blood clot are osmotically active and draw water into the clot. 
D)  pieces of the blood clot dissolve and are carried by the blood to the other side of the brain. 
A)  brain tissue grows into the blood clot. 
B)  plasma protein is used by the brain to make additional nerve tissue to replace what was damaged. 
C)  the particles of the blood clot are osmotically active and draw water into the clot. 
D)  pieces of the blood clot dissolve and are carried by the blood to the other side of the brain.

Question 15

A cervical Pap smear indicates well-differentiated cells.You would interpret this as

Accepted Answer

A)  a normal cellular appearance. 
B)  evidence of edema. 
C)  evidence of necrosis. 
D)  evidence of cancer. 
A)  a normal cellular appearance. 
B)  evidence of edema. 
C)  evidence of necrosis. 
D)  evidence of cancer.

Question 16

Which group is correct?

Accepted Answer

A)  Lipids: triglycerides and urea 
B)  Polysaccharides: glycogen and glucose 
C)  Amino acids: ammonia and glycerol 
D)  Nitrogen-containing waste: urea and creatinine 
A)  Lipids: triglycerides and urea 
B)  Polysaccharides: glycogen and glucose 
C)  Amino acids: ammonia and glycerol 
D)  Nitrogen-containing waste: urea and creatinine

Question 17

Which process describes the pushing of water across the capillary (blood vessel)membrane?

Accepted Answer

A)  Facilitated diffusion 
B)  Osmosis 
C)  Filtration 
D)  Pinocytosis 
A)  Facilitated diffusion 
B)  Osmosis 
C)  Filtration 
D)  Pinocytosis

Question 18

Which of the following best describes normal saline?

Accepted Answer

A)  Radioactive 
B)  Hemolytic to red blood cells 
C)  Isotonic 
D)  Crenating to red blood cells 
A)  Radioactive 
B)  Hemolytic to red blood cells 
C)  Isotonic 
D)  Crenating to red blood cells

Question 19

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl-.Initially,

Accepted Answer

A)  water diffuses from compartment B to compartment A. 
B)  Na+ diffuses from compartment B to compartment A. 
C)  Na+ diffuses from compartment A to compartment B. 
D)  water diffuses from compartment A to compartment B. 
A)  water diffuses from compartment B to compartment A. 
B)  Na+ diffuses from compartment B to compartment A. 
C)  Na+ diffuses from compartment A to compartment B. 
D)  water diffuses from compartment A to compartment B.

Question 20

Which of the following most accurately describes diffusion?

Accepted Answer

A)  ATP-driven 
B)  Passive transport 
C)  Requires a pressure or pushing force 
D)  Causes solute to move uphill 
A)  ATP-driven 
B)  Passive transport 
C)  Requires a pressure or pushing force 
D)  Causes solute to move uphill

Exam 3: Cells

What is the transport mechanism in this description: A passive process that "pulls" water from an area where there is more water to an area where there is less water?

In which structure is most DNA found?

Methotrexate,an anticancer drug that interferes with cell replication,is most effective when the cancer cell is in the S phase of the cell cycle.Which of the following best describes methotrexate?

Which of the following is most associated with the ribosome?

What is the name of the process in which an intracellular protein-containing vesicle fuses with the cell membrane and expels the protein to the outside of the cell?

Which of the following is common to the ribosomes,rough ER,and Golgi apparatus?

Which type of solution causes crenation or shrinkage of submerged red blood cells?

Which structure is described as a semipermeable lipid bilayer?

Which of the following best describes the eating of a bacterium by a lysosome?

Which word means "the bursting of red blood cells"?

If a cell is placed in a hypotonic solution such as water,the cell will

The first gap phase (G₁),second gap phase (G₂),and synthesis phase (S)

What is the primary difference between diffusion and facilitated diffusion?

A child has experienced a blow to the head causing a slow bleed.Although the bleeding has stopped,the blood clot continues to expand because

A cervical Pap smear indicates well-differentiated cells.You would interpret this as

Which group is correct?

Which process describes the pushing of water across the capillary (blood vessel)membrane?

Which of the following best describes normal saline?

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl-.Initially,

Which of the following most accurately describes diffusion?

Introduction to the Human Body

Basic Chemistry

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.Initially,