Question 1

If the solute concentration is greater inside of the cell than outside the cell,water will move by osmosis

Accepted Answer

A) into the cell. 
B) out of the cell. 
C) into and out of the cell at the same rate resulting in no net water movement. 
D) All of these answer choices are correct. 
E) None of these answers are correct. 
A) into the cell. 
B) out of the cell. 
C) into and out of the cell at the same rate resulting in no net water movement. 
D) All of these answer choices are correct. 
E) None of these answers are correct.

Question 2

In the diagram,which one represents a hypertonic solution

Accepted Answer

A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct. 
A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct.

Question 3

In the diagram,which panel shows cells that are in interphase?
1 A
2 C
3 F

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3 
A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3

Question 4

Define homologous chromosomes.

Accepted Answer

Homologous chromosomes contain

Question 5

In this transport process,the energy from hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients.

Accepted Answer

A) primary active transport 
B) secondary active transport 
C) facilitated diffusion 
D) passive diffusion 
E) osmosis 
A) primary active transport 
B) secondary active transport 
C) facilitated diffusion 
D) passive diffusion 
E) osmosis

Question 6

The three main components of the lipid bilayer portion of a plasma membrane are

Accepted Answer

A) phospholipids,glycoproteins,and water. 
B) proteins,cholesterol,and fatty acids. 
C) cholesterol,triglycerides,and glycolipids. 
D) phospholipids,cholesterol,and glycolipids. 
E) phospholipids,cholesterol,and proteins. 
A) phospholipids,glycoproteins,and water. 
B) proteins,cholesterol,and fatty acids. 
C) cholesterol,triglycerides,and glycolipids. 
D) phospholipids,cholesterol,and glycolipids. 
E) phospholipids,cholesterol,and proteins.

Question 7

Describe five different functions of integral membrane proteins.

Accepted Answer

Some membrane proteins act as ion channe

Question 8

What structural component of the membrane is labeled (B)in the diagram?

Accepted Answer

A) glycoprotein 
B) cholesterol 
C) glycolipid 
D) channel protein 
E) phospholipid 
A) glycoprotein 
B) cholesterol 
C) glycolipid 
D) channel protein 
E) phospholipid

Question 9

The polar portion of a cholesterol molecule,which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids,consists of a

Accepted Answer

A) -OH group. 
B) -CH3 group. 
C) -CH4 group 
D) -COOH group 
E) None of these choices is correct. 
A) -OH group. 
B) -CH3 group. 
C) -CH4 group 
D) -COOH group 
E) None of these choices is correct.

Question 10

What structural components of the membrane are labeled (C)in the diagram?

Accepted Answer

A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids 
A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids

Question 11

What structural component of the membrane is labeled (E)in the diagram?

Accepted Answer

A) glycoprotein 
B) cholesterol 
C) channel protein 
D) glycolipid 
E) phospholipid 
A) glycoprotein 
B) cholesterol 
C) channel protein 
D) glycolipid 
E) phospholipid

Question 12

Which disease below is an inherited condition characterized by the absence of a single lysosomal enzyme called Hex A?

Accepted Answer

A) Tay-Sachs disease 
B) leukemia 
C) progeria 
D) lymphoma 
E) Werner syndrome 
A) Tay-Sachs disease 
B) leukemia 
C) progeria 
D) lymphoma 
E) Werner syndrome

Question 13

In the diagram,which organelle is responsible for autophagy and autolysis?

Accepted Answer

A) C 
B) B 
C) F 
D) J 
E) D 
A) C 
B) B 
C) F 
D) J 
E) D

Question 14

In the diagram,this structure directs cellular activities.

Accepted Answer

A) D 
B) F 
C) G 
D) A 
E) H 
A) D 
B) F 
C) G 
D) A 
E) H

Question 15

Plasma membranes are _____,which means that some chemicals move easily through plasma membrane while other chemicals do not.

Accepted Answer

A) selectively permeable 
B) concentration graded 
C) electrically graded 
D) selectively soluble 
E) electrical insulators 
A) selectively permeable 
B) concentration graded 
C) electrically graded 
D) selectively soluble 
E) electrical insulators

Question 16

Which of the following is NOT a characteristic of the cytosol?

Accepted Answer

A) primarily consists of water 
B) cation of electron transport chain carrier proteins 
C) site of many important chemical reactions 
D) often contains aggregates of triglycerides that form lipid droplets 
E) contains the enzymes of glycolysis 
A) primarily consists of water 
B) cation of electron transport chain carrier proteins 
C) site of many important chemical reactions 
D) often contains aggregates of triglycerides that form lipid droplets 
E) contains the enzymes of glycolysis

Question 17

Which of the following shows ligand binding at the cell surface?

Accepted Answer

A) B 
B) C 
C) D 
D) A 
E) E 
A) B 
B) C 
C) D 
D) A 
E) E

Question 18

Which of the following is the correct sequence of events in phagocytosis shown in the figure?

Accepted Answer

A) pseudopods surround particle > phagosome formed > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
B) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
C) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > residual body formed > digestion by lysosomal enzymes 
D) residual body formed > phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes 
E) fusion of lysosome and phagosome > residual body formed > phagosome formed > pseudopods surround particle > digestion by lysosomal enzymes 
A) pseudopods surround particle > phagosome formed > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
B) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes > residual body formed 
C) phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > residual body formed > digestion by lysosomal enzymes 
D) residual body formed > phagosome formed > pseudopods surround particle > fusion of lysosome and phagosome > digestion by lysosomal enzymes 
E) fusion of lysosome and phagosome > residual body formed > phagosome formed > pseudopods surround particle > digestion by lysosomal enzymes

Question 19

This is the site of synthesis of rRNA and assembly of rRNA and proteins into ribosomal subunits.

Accepted Answer

A) nucleus 
B) nucleolus 
C) smooth endoplasmic reticulum 
D) rough endoplasmic reticulum 
E) Golgi complex 
A) nucleus 
B) nucleolus 
C) smooth endoplasmic reticulum 
D) rough endoplasmic reticulum 
E) Golgi complex

Question 20

In the diagram,which organelle is used to modify,sort and transport proteins?

Accepted Answer

A) D 
B) I 
C) A 
D) J 
E) G 
A) D 
B) I 
C) A 
D) J 
E) G

Exam 3: The Cellular Level of Organization

If the solute concentration is greater inside of the cell than outside the cell,water will move by osmosis

In the diagram,which one represents a hypertonic solution

In the diagram,which panel shows cells that are in interphase? 1 A 2 C 3 F

Define homologous chromosomes.

In this transport process,the energy from hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients.

The three main components of the lipid bilayer portion of a plasma membrane are

Describe five different functions of integral membrane proteins.

What structural component of the membrane is labeled (B)in the diagram?

The polar portion of a cholesterol molecule,which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids,consists of a

What structural components of the membrane are labeled (C)in the diagram?

What structural component of the membrane is labeled (E)in the diagram?

Which disease below is an inherited condition characterized by the absence of a single lysosomal enzyme called Hex A?

In the diagram,which organelle is responsible for autophagy and autolysis?

In the diagram,this structure directs cellular activities.

Plasma membranes are _____,which means that some chemicals move easily through plasma membrane while other chemicals do not.

Which of the following is NOT a characteristic of the cytosol?

Which of the following shows ligand binding at the cell surface?

Which of the following is the correct sequence of events in phagocytosis shown in the figure?

This is the site of synthesis of rRNA and assembly of rRNA and proteins into ribosomal subunits.

In the diagram,which organelle is used to modify,sort and transport proteins?

An Introduction to the Human Body

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

Filters