Question 1

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

Accepted Answer

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

Question 2

A beaker contains two compartments.Compartment A (CA)contains a 10% salt solution and Compartment B (CB)contains a 20% salt solution.The membrane is permeable to the salt and water.At equilibrium,

Accepted Answer

A)  the volume in CA is greater than the volume in CB. 
B)  the volume in CA is less than the volume in CB. 
C)  the volume is the same in both compartments. 
D)  all water accumulates in CB. 
A)  the volume in CA is greater than the volume in CB. 
B)  the volume in CA is less than the volume in CB. 
C)  the volume is the same in both compartments. 
D)  all water accumulates in CB.

Question 3

Mitosis

Accepted Answer

A)  occurs only within sex cells. 
B)  produces two genetically identical cells. 
C)  occurs only within red blood cells. 
D)  causes a 50% reduction in chromosome number. 
A)  occurs only within sex cells. 
B)  produces two genetically identical cells. 
C)  occurs only within red blood cells. 
D)  causes a 50% reduction in chromosome number.

Question 4

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

Accepted Answer

A)  most of the ATP is produced 
B)  all protein synthesis occurs 
C)  all DNA is located 
D)  all ribosomes are located 
A)  most of the ATP is produced 
B)  all protein synthesis occurs 
C)  all DNA is located 
D)  all ribosomes are located

Question 5

Which of the following describes the response of a red blood cell (RBC)to immersion in an isotonic solution?

Accepted Answer

A)  The RBC swells and bursts. 
B)  The RBC undergoes hemolysis. 
C)  The RBC undergoes crenation; it shrinks. 
D)  There is no net movement of water between the RBC and solution. 
A)  The RBC swells and bursts. 
B)  The RBC undergoes hemolysis. 
C)  The RBC undergoes crenation; it shrinks. 
D)  There is no net movement of water between the RBC and solution.

Question 6

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-.At equilibrium,the

Accepted Answer

A)  volume of water in compartment A will be greater than the volume in compartment B. 
B)  volume in both compartments A and B will be equal. 
C)  concentration of compartment A will decrease. 
D)  volume in compartment B will be greater than the volume in compartment A. 
A)  volume of water in compartment A will be greater than the volume in compartment B. 
B)  volume in both compartments A and B will be equal. 
C)  concentration of compartment A will decrease. 
D)  volume in compartment B will be greater than the volume in compartment A.

Question 7

Which of the following is not a lipid or lipoid substance?

Accepted Answer

A)  Steroids 
B)  Vitamins A, D, E, and K 
C)  Prostaglandins 
D)  Ammonia 
A)  Steroids 
B)  Vitamins A, D, E, and K 
C)  Prostaglandins 
D)  Ammonia

Question 8

A red blood cell (RBC)is immersed in hypertonic saline.Which of the following describes the consequence? The RBC will

Accepted Answer

A)  replicate by mitosis. 
B)  actively pump water into the cell. 
C)  undergo hemolysis and burst. 
D)  shrink. 
A)  replicate by mitosis. 
B)  actively pump water into the cell. 
C)  undergo hemolysis and burst. 
D)  shrink.

Question 9

A stem cell develops into a muscle cell.Which of the following most accurately describes this process?

Accepted Answer

A)  Differentiation 
B)  Malignant 
C)  Neoplastic 
D)  Necrotic 
A)  Differentiation 
B)  Malignant 
C)  Neoplastic 
D)  Necrotic

Question 10

Plasma proteins determine

Accepted Answer

A)  plasma oncotic (osmotic) pressure. 
B)  capillary filtration pressure. 
C)  the rate of diffusion out of the capillary. 
D)  the size of the capillary pores. 
A)  plasma oncotic (osmotic) pressure. 
B)  capillary filtration pressure. 
C)  the rate of diffusion out of the capillary. 
D)  the size of the capillary pores.

Question 11

G₁,G₂,the S phase,and the M phase are phases of

Accepted Answer

A)  the cell cycle. 
B)  mitosis. 
C)  protein synthesis. 
D)  the cell cycle that is specific to cancer cells. 
A)  the cell cycle. 
B)  mitosis. 
C)  protein synthesis. 
D)  the cell cycle that is specific to cancer cells.

Question 12

The rough ER is the site of

Accepted Answer

A)  fatty acid and steroid synthesis. 
B)  Krebs cycle activity. 
C)  protein synthesis. 
D)  intracellular water storage. 
A)  fatty acid and steroid synthesis. 
B)  Krebs cycle activity. 
C)  protein synthesis. 
D)  intracellular water storage.

Question 13

With regard to the cell cycle,

Accepted Answer

A)  the M phase is the same as interphase. 
B)  cells cannot enter phase G0 when they complete the cycle. 
C)  cell division occurs during the M phase. 
D)  prophase, metaphase, anaphase, and telophase occur during phase G1. 
A)  the M phase is the same as interphase. 
B)  cells cannot enter phase G0 when they complete the cycle. 
C)  cell division occurs during the M phase. 
D)  prophase, metaphase, anaphase, and telophase occur during phase G1.

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

A beaker contains two compartments.Compartment A (CA)contains a 10% salt solution and Compartment B (CB)contains a 20% salt solution.The membrane is permeable to the salt and water.At equilibrium,

Mitosis

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

Which of the following describes the response of a red blood cell (RBC)to immersion in an isotonic solution?

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^-.At equilibrium,the

Which of the following is not a lipid or lipoid substance?

A red blood cell (RBC)is immersed in hypertonic saline.Which of the following describes the consequence? The RBC will

A stem cell develops into a muscle cell.Which of the following most accurately describes this process?

Plasma proteins determine

G₁,G₂,the S phase,and the M phase are phases of

The rough ER is the site of

With regard to the cell cycle,

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

Exam 3: Cells

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

A beaker contains two compartments.Compartment A (CA)contains a 10% salt solution and Compartment B (CB)contains a 20% salt solution.The membrane is permeable to the salt and water.At equilibrium,

Mitosis

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

Which of the following describes the response of a red blood cell (RBC)to immersion in an isotonic solution?

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-.At equilibrium,the

Which of the following is not a lipid or lipoid substance?

A red blood cell (RBC)is immersed in hypertonic saline.Which of the following describes the consequence? The RBC will

A stem cell develops into a muscle cell.Which of the following most accurately describes this process?

Plasma proteins determine

G₁,G₂,the S phase,and the M phase are phases of

The rough ER is the site of

With regard to the cell cycle,

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^-.At equilibrium,the