Question 1

Which of the following is NOT an example of a cytoplasmic inclusion?

Accepted Answer

A) lipid droplets 
B) hemoglobin 
C) actin filaments 
D) melanin 
E) lipochrome 
A) lipid droplets 
B) hemoglobin 
C) actin filaments 
D) melanin 
E) lipochrome

Question 2

The environment outside the plasma membrane is most appropriately referred to as

Accepted Answer

A) intracellular. 
B) extracellular. 
C) multicellular. 
D) centrocellular. 
E) None of these choices are correct. 
A) intracellular. 
B) extracellular. 
C) multicellular. 
D) centrocellular. 
E) None of these choices are correct.

Question 3

Which of the following pairs of terms is mismatched?

Accepted Answer

A) lysosomes - hydrolytic enzymes 
B) mitochondria - cristae 
C) Golgi apparatus - cisternae 
D) cilia - basal bodies 
E) smooth endoplasmic reticulum - chromatin 
A) lysosomes - hydrolytic enzymes 
B) mitochondria - cristae 
C) Golgi apparatus - cisternae 
D) cilia - basal bodies 
E) smooth endoplasmic reticulum - chromatin

Question 4

What type of membrane proteins form a passageway through the plasma membrane?

Accepted Answer

A) carrier proteins 
B) receptor proteins 
C) enzymes 
D) channel protein 
E) marker molecules 
A) carrier proteins 
B) receptor proteins 
C) enzymes 
D) channel protein 
E) marker molecules

Question 5

Which of the following is NOT a G-protein complex protein?

Accepted Answer

A) delta 
B) gamma 
C) alpha 
D) beta 
E) None of these choices are correct. 
A) delta 
B) gamma 
C) alpha 
D) beta 
E) None of these choices are correct.

Question 6

At the base of each cilium is a structure called the

Accepted Answer

A) kinetochore. 
B) basal body. 
C) dynein arm. 
D) centrosome. 
E) None of these choices is correct. 
A) kinetochore. 
B) basal body. 
C) dynein arm. 
D) centrosome. 
E) None of these choices is correct.

Question 7

The sodium-potassium pump located in the plasma membrane

Accepted Answer

A) osmotically moves sodium into cells. 
B) actively transports potassium into cells. 
C) actively transports water out of cells. 
D) moves chlorine out of cells. 
E) actively transports sodium into cells. 
A) osmotically moves sodium into cells. 
B) actively transports potassium into cells. 
C) actively transports water out of cells. 
D) moves chlorine out of cells. 
E) actively transports sodium into cells.

Question 8

Arrange the following events of exocytosis in the correct sequence: (1)vesicle membrane fuses with plasma membrane
(2)secretory vesicles migrate to plasma membrane
(3)vesicle contents are expelled from cell
(4)secretions accumulate within secretory vesicles

Accepted Answer

A) 1,4,2,3 
B) 2,1,4,3 
C) 1,2,3,4 
D) 4,2,1,3 
E) 3,1,4,2 
A) 1,4,2,3 
B) 2,1,4,3 
C) 1,2,3,4 
D) 4,2,1,3 
E) 3,1,4,2

Question 9

A cell uses centrioles in the process of

Accepted Answer

A) protein synthesis. 
B) RNA replication. 
C) cell division. 
D) energy generation. 
E) nuclear centering. 
A) protein synthesis. 
B) RNA replication. 
C) cell division. 
D) energy generation. 
E) nuclear centering.

Question 10

In ______________,carrier molecules move a substance against (up)the concentration gradient.

Accepted Answer

A) facilitated diffusion 
B) simple diffusion 
C) endocytosis 
D) active transport 
E) exocytosis 
A) facilitated diffusion 
B) simple diffusion 
C) endocytosis 
D) active transport 
E) exocytosis

Question 11

Which of the following sequences is correct?

Accepted Answer

A) translation $\rightarrow$ transcription $\rightarrow$ protein synthesis 
B) transcription $\rightarrow$ protein synthesis $\rightarrow$ translation 
C) translation $\rightarrow$ protein synthesis $\rightarrow$ transcription 
D) transcription $\rightarrow$ translation $\rightarrow$ protein synthesis 
E) protein synthesis $\rightarrow$ translation $\rightarrow$ transcription 
A) translation $\rightarrow$ transcription $\rightarrow$ protein synthesis 
B) transcription $\rightarrow$ protein synthesis $\rightarrow$ translation 
C) translation $\rightarrow$ protein synthesis $\rightarrow$ transcription 
D) transcription $\rightarrow$ translation $\rightarrow$ protein synthesis 
E) protein synthesis $\rightarrow$ translation $\rightarrow$ transcription

Question 12

Which of the following cell organelles does not contain microtubules?

Accepted Answer

A) cilia 
B) flagella 
C) spindle fibers 
D) centrioles 
E) All of these choices contain microtubules. 
A) cilia 
B) flagella 
C) spindle fibers 
D) centrioles 
E) All of these choices contain microtubules.

Question 13

The process by which there is programmed cellular death is _____.

Accepted Answer

A)  apoptosis 
B)  differentiation 
C)  mitosis 
D)  cleavage 
A)  apoptosis 
B)  differentiation 
C)  mitosis 
D)  cleavage

Question 14

The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of

Accepted Answer

A) amino acids in a protein. 
B) nucleotides in the anticodons of tRNA. 
C) nucleotides in a gene. 
D) amino acids in DNA. 
E) codons in DNA. 
A) amino acids in a protein. 
B) nucleotides in the anticodons of tRNA. 
C) nucleotides in a gene. 
D) amino acids in DNA. 
E) codons in DNA.

Question 15

Plasma membrane phospholipids

Accepted Answer

A) have nonpolar fatty acid tails. 
B) form a bilayer. 
C) have polar phosphate heads. 
D) create a selectively permeable barrier. 
E) All of these choices are correct. 
A) have nonpolar fatty acid tails. 
B) form a bilayer. 
C) have polar phosphate heads. 
D) create a selectively permeable barrier. 
E) All of these choices are correct.

Question 16

-Red blood cells (RBCs)have been placed in three different solutions: hypotonic,hypertonic,isotonic.What is solution "B" relative to the RBC?

Accepted Answer

A) hemolyzed 
B) isotonic solution 
C) hypertonic solution 
D) crenated 
E) hypotonic solution 
A) hemolyzed 
B) isotonic solution 
C) hypertonic solution 
D) crenated 
E) hypotonic solution

Question 17

According to the most current model of the plasma membrane,

Accepted Answer

A) the membrane is a rigid unchanging structure. 
B) cholesterol forms the innermost layer of the membrane. 
C) phospholipids and cholesterol form a single lipid bilayer. 
D) proteins are free to move about within a double layer of phospholipids. 
E) the membrane is impermeable to all other molecules. 
A) the membrane is a rigid unchanging structure. 
B) cholesterol forms the innermost layer of the membrane. 
C) phospholipids and cholesterol form a single lipid bilayer. 
D) proteins are free to move about within a double layer of phospholipids. 
E) the membrane is impermeable to all other molecules.

Question 18

The aroma of cookies baking in the kitchen reaches you in the living room.The distribution of this odor throughout the house is an example of

Accepted Answer

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

Question 19

A cell's ability to replenish ATP is reduced by a metabolic poison.Which organelle is being affected?

Accepted Answer

A) nucleus 
B) mitochondrion 
C) centriole 
D) ribosomes 
E) microtubule 
A) nucleus 
B) mitochondrion 
C) centriole 
D) ribosomes 
E) microtubule

Question 20

Pinocytosis

Accepted Answer

A) forms vesicles only when large amounts of material are being transported. 
B) does not require ATP. 
C) is a form of exocytosis. 
D) involves ingestion of liquids rather than particles. 
E) does not require the formation of vesicles. 
A) forms vesicles only when large amounts of material are being transported. 
B) does not require ATP. 
C) is a form of exocytosis. 
D) involves ingestion of liquids rather than particles. 
E) does not require the formation of vesicles.

Exam 3: Cell Biology

Which of the following is NOT an example of a cytoplasmic inclusion?

The environment outside the plasma membrane is most appropriately referred to as

Which of the following pairs of terms is mismatched?

What type of membrane proteins form a passageway through the plasma membrane?

Which of the following is NOT a G-protein complex protein?

At the base of each cilium is a structure called the

The sodium-potassium pump located in the plasma membrane

Arrange the following events of exocytosis in the correct sequence: (1)vesicle membrane fuses with plasma membrane (2)secretory vesicles migrate to plasma membrane (3)vesicle contents are expelled from cell (4)secretions accumulate within secretory vesicles

A cell uses centrioles in the process of

In ______________,carrier molecules move a substance against (up)the concentration gradient.

Which of the following sequences is correct?

Which of the following cell organelles does not contain microtubules?

The process by which there is programmed cellular death is _____.

The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of

Plasma membrane phospholipids

-Red blood cells (RBCs)have been placed in three different solutions: hypotonic,hypertonic,isotonic.What is solution "B" relative to the RBC?

According to the most current model of the plasma membrane,

The aroma of cookies baking in the kitchen reaches you in the living room.The distribution of this odor throughout the house is an example of

A cell's ability to replenish ATP is reduced by a metabolic poison.Which organelle is being affected?

Pinocytosis

The Human Organism

The Chemical Basis of Life

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

Development,growth,aging,and Genetics

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