Question 1

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 C

Question 2

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 C

Question 3

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 D

Question 4

Which structure is described as rough or smooth?

Accepted Answer

A) Ribosome 
B) Mitochondrion 
C) Cilia 
D) Endoplasmic reticulum 
A) Ribosome 
B) Mitochondrion 
C) Cilia 
D) Endoplasmic reticulum

Question 5

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 6

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 7

What are the hairlike structures located on the outer surface of the cell membrane?

Accepted Answer

A) Mitochondria 
B) Ribosomes 
C) Cilia 
D) Centrioles 
A) Mitochondria 
B) Ribosomes 
C) Cilia 
D) Centrioles

Question 8

A cell that "drops out" of the cell cycle

Accepted Answer

A) enters G₀. 
B) splits into two genetically identical cells. 
C) reduces its chromosome number by 50%. 
D) becomes a stem cell. 
A) enters G₀. 
B) splits into two genetically identical cells. 
C) reduces its chromosome number by 50%. 
D) becomes a stem cell.

Question 9

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 10

What is the effect of an intravenous infusion of pure water?

Accepted Answer

A) It is the same response as to the infusion of isotonic saline. 
B) It is the same response as to the infusion of Ringer's solution. 
C) The RBCs burst. 
D) The RBCs shrink (crenation). 
A) It is the same response as to the infusion of isotonic saline. 
B) It is the same response as to the infusion of Ringer's solution. 
C) The RBCs burst. 
D) The RBCs shrink (crenation).

Question 11

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 12

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 both water and Na⁺ and Cl-.At equilibrium,the

Accepted Answer

A) volume in compartment A will be greater than the volume in compartment B. 
B) volume in compartment B will be greater than the volume in compartment A. 
C) concentrations and volumes will be the same in both compartments. 
D) concentration of salt is greater in compartment A than in compartment B. 
A) volume in compartment A will be greater than the volume in compartment B. 
B) volume in compartment B will be greater than the volume in compartment A. 
C) concentrations and volumes will be the same in both compartments. 
D) concentration of salt is greater in compartment A than in compartment B.

Question 13

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 14

Which of the following is (are) found on the rough endoplasmic reticulum?

Accepted Answer

A) Ribosomes 
B) Cilia 
C) Lysosomes 
D) DNA 
A) Ribosomes 
B) Cilia 
C) Lysosomes 
D) DNA

Question 15

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

Accepted Answer

A) Mitochondria 
B) Lysosomes 
C) Endoplasmic reticulum 
D) DNA 
A) Mitochondria 
B) Lysosomes 
C) Endoplasmic reticulum 
D) DNA

Question 16

Which of the following structures make the rough endoplasmic reticulum look like sandpaper?

Accepted Answer

A) Ribosomes 
B) Globs of cytoplasm 
C) ATP 
D) Fragments of DNA 
A) Ribosomes 
B) Globs of cytoplasm 
C) ATP 
D) Fragments of DNA

Question 17

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 18

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 19

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 only to water.At equilibrium,the volume in

Accepted Answer

A) CA is greater than the volume in CB. 
B) CA is less than the volume in CB. 
C) CB is less than the volume in CA. 
D) CA is the same as the volume in CB. 
A) CA is greater than the volume in CB. 
B) CA is less than the volume in CB. 
C) CB is less than the volume in CA. 
D) CA is the same as the volume in CB.

Question 20

Compartment A contains a 25% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B) is permeable to water but impermeable to glucose.Which of the following statements is true regarding the initial net flux?

Accepted Answer

A) Water diffuses from compartment B to compartment a. 
B) Glucose diffuses from compartment A to compartment B. 
C) Solute diffuses from compartment A to compartment B. 
D) Solvent diffuses from compartment A to compartment B. 
A) Water diffuses from compartment B to compartment a. 
B) Glucose diffuses from compartment A to compartment B. 
C) Solute diffuses from compartment A to compartment B. 
D) Solvent diffuses from compartment A to compartment B.

Exam 3: Cells

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

Which structure is described as a semipermeable lipid bilayer?

Which structure is described as rough or smooth?

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?

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

What are the hairlike structures located on the outer surface of the cell membrane?

A cell that "drops out" of the cell cycle

Which of the following best describes normal saline?

What is the effect of an intravenous infusion of pure water?

The rough ER is the site of

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 both water and Na⁺ and Cl-.At equilibrium,the

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,

Which of the following is (are) found on the rough endoplasmic reticulum?

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

Which of the following structures make the rough endoplasmic reticulum look like sandpaper?

Mitosis

Which group is correct?

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 only to water.At equilibrium,the volume in

Compartment A contains a 25% glucose solution.Compartment B contains a 15% glucose solution.The membrane (dividing the beaker into compartments A and B) is permeable to water but impermeable to glucose.Which of the following statements is true regarding the initial net flux?

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 and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Human Development and Heredity

Filters