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 cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "E"?

Accepted Answer

A)  major site of ATP synthesis when oxygen is available 
B)  contains digestive enzymes 
C)  directs cellular activities, contains DNA 
D)  site of protein synthesis 
E)  outer boundary of cell, controls entry and exit of substances 
A)  major site of ATP synthesis when oxygen is available 
B)  contains digestive enzymes 
C)  directs cellular activities, contains DNA 
D)  site of protein synthesis 
E)  outer boundary of cell, controls entry and exit of substances

Question 3

The leading strand of DNA is formed as

Accepted Answer

A)  soon as the lagging strand is formed. 
B)  a continuous strand, adding to the 5´ end. 
C)  a continuous strand, adding to the 3´ end. 
D)  a template. 
E)  short segments called Okazaki fragments. 
A)  soon as the lagging strand is formed. 
B)  a continuous strand, adding to the 5´ end. 
C)  a continuous strand, adding to the 3´ end. 
D)  a template. 
E)  short segments called Okazaki fragments.

Question 4

What type of cell would have an abundance of lysosomes?

Accepted Answer

A)  liver cells that detoxify hydrogen peroxide 
B)  fibroblast (makes protein fibers) 
C)  white blood cell, a phagocyte 
D)  cardiac muscle cells (require large amounts of ATP) 
E)  mucus cell (secretes mucus) 
A)  liver cells that detoxify hydrogen peroxide 
B)  fibroblast (makes protein fibers) 
C)  white blood cell, a phagocyte 
D)  cardiac muscle cells (require large amounts of ATP) 
E)  mucus cell (secretes mucus)

Question 5

Which of the following events occurs in the nucleus?

Accepted Answer

A)  ATP synthesis 
B)  ribosomal proteins formed 
C)  chromatin condenses to form chromosomes 
D)  manufacture of phospholipids 
E)  None of these events occurs in the nucleus. 
A)  ATP synthesis 
B)  ribosomal proteins formed 
C)  chromatin condenses to form chromosomes 
D)  manufacture of phospholipids 
E)  None of these events occurs in the nucleus.

Question 6

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.

Question 7

The collection of carbohydrates, glycolipids, and glycoproteins of the plasma membrane is called the

Accepted Answer

A)  intercellular fluid. 
B)  phospholipid. 
C)  fluid mosaic. 
D)  glycocalyx. 
E)  extracellular membrane. 
A)  intercellular fluid. 
B)  phospholipid. 
C)  fluid mosaic. 
D)  glycocalyx. 
E)  extracellular membrane.

Question 8

Which of the following cell organelles is CORRECTLY matched with its function?

Accepted Answer

A)  ribosome - energy production 
B)  microtubules - cell support 
C)  mitochondria - protein synthesis 
D)  smooth ER - ATP production 
E)  nucleolus - contains the genetic material of the cell 
A)  ribosome - energy production 
B)  microtubules - cell support 
C)  mitochondria - protein synthesis 
D)  smooth ER - ATP production 
E)  nucleolus - contains the genetic material of the cell

Question 9

A cell that breaks down and recycles proteins would have large numbers of

Accepted Answer

A)  peroxisomes. 
B)  secretory vesicles. 
C)  proteosomes. 
D)  lysosomes. 
E)  rough ER. 
A)  peroxisomes. 
B)  secretory vesicles. 
C)  proteosomes. 
D)  lysosomes. 
E)  rough ER.

Question 10

A red blood cell that is placed in a hypertonic solution

Accepted Answer

A)  loses water. 
B)  gains water. 
C)  floats. 
D)  ruptures. 
E)  neither gains nor loses water. 
A)  loses water. 
B)  gains water. 
C)  floats. 
D)  ruptures. 
E)  neither gains nor loses water.

Question 11

Receptor-mediated endocytosis

Accepted Answer

A)  moves materials out of the cell. 
B)  is a type of passive transport. 
C)  exhibits specificity. 
D)  does not need ATP; the receptors supply the energy. 
E)  occurs if oxygen is available. 
A)  moves materials out of the cell. 
B)  is a type of passive transport. 
C)  exhibits specificity. 
D)  does not need ATP; the receptors supply the energy. 
E)  occurs if oxygen is available.

Question 12

What type of membrane proteins can catalyze chemical reactions on the inner or outer surfaces of the plasma membrane?

Accepted Answer

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

Question 13

Which of the following is NOT associated with interphase?

Accepted Answer

A)  The centrioles duplicate. 
B)  The cell grows. 
C)  The cell does nothing but rest. 
D)  The cell does what it is designed to do. 
E)  The DNA replicates. 
A)  The centrioles duplicate. 
B)  The cell grows. 
C)  The cell does nothing but rest. 
D)  The cell does what it is designed to do. 
E)  The DNA replicates.

Question 14

Nucleoli

Accepted Answer

A)  are located in the cytoplasm. 
B)  are important for the formation of the Golgi apparatus. 
C)  have a distinct membrane. 
D)  regulate movement of materials into the nucleus. 
E)  produce ribosomal subunits. 
A)  are located in the cytoplasm. 
B)  are important for the formation of the Golgi apparatus. 
C)  have a distinct membrane. 
D)  regulate movement of materials into the nucleus. 
E)  produce ribosomal subunits.

Question 15

Which of the following is NOT consistent with active transport?

Accepted Answer

A)  uses cell energy 
B)  movement is against a concentration gradient 
C)  movement is with a concentration gradient 
D)  exhibits competition and saturation 
E)  involves a carrier 
A)  uses cell energy 
B)  movement is against a concentration gradient 
C)  movement is with a concentration gradient 
D)  exhibits competition and saturation 
E)  involves a carrier

Question 16

A cell with abundant peroxisomes would most likely be involved in

Accepted Answer

A)  detoxification activities. 
B)  secretion. 
C)  protein synthesis. 
D)  storage of glycogen. 
E)  cellular communication. 
A)  detoxification activities. 
B)  secretion. 
C)  protein synthesis. 
D)  storage of glycogen. 
E)  cellular communication.

Question 17

White blood cells digest other cells and so would be expected to

Accepted Answer

A)  have mitochondria to energize them. 
B)  have large numbers of lysosomes. 
C)  possess cilia on their surfaces so they can move quickly. 
D)  expel their nuclei to make room for all of the cells they eat. 
E)  excrete excess salt as a result of all this eating. 
A)  have mitochondria to energize them. 
B)  have large numbers of lysosomes. 
C)  possess cilia on their surfaces so they can move quickly. 
D)  expel their nuclei to make room for all of the cells they eat. 
E)  excrete excess salt as a result of all this eating.

Question 18

Which of the following activities is a function of the plasma membrane?

Accepted Answer

A)  cell metabolism 
B)  transport of products from the nucleus to the endoplasmic reticulum 
C)  recognition of bacterial cells by the immune system 
D)  digestion of unneeded cell organelles 
E)  detoxification 
A)  cell metabolism 
B)  transport of products from the nucleus to the endoplasmic reticulum 
C)  recognition of bacterial cells by the immune system 
D)  digestion of unneeded cell organelles 
E)  detoxification

Question 19

Cytoplasm is found

Accepted Answer

A)  in the nucleus. 
B)  outside the nucleus but inside the plasma membrane. 
C)  in the cisternae of the endoplasmic reticulum. 
D)  on the cristae of the mitochondria. 
E)  between the phospholipids in the plasma membrane. 
A)  in the nucleus. 
B)  outside the nucleus but inside the plasma membrane. 
C)  in the cisternae of the endoplasmic reticulum. 
D)  on the cristae of the mitochondria. 
E)  between the phospholipids in the plasma membrane.

Question 20

-What structure does "C" represent on the diagram of the plasma membrane?

Accepted Answer

A)  phospholipid bilayer 
B)  integral protein 
C)  membrane channel protein 
D)  peripheral protein 
E)  internal membrane surface 
A)  phospholipid bilayer 
B)  integral protein 
C)  membrane channel protein 
D)  peripheral protein 
E)  internal membrane surface

Exam 3: Cell Biology

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

-The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "E"?

The leading strand of DNA is formed as

What type of cell would have an abundance of lysosomes?

Which of the following events occurs in the nucleus?

Pinocytosis

The collection of carbohydrates, glycolipids, and glycoproteins of the plasma membrane is called the

Which of the following cell organelles is CORRECTLY matched with its function?

A cell that breaks down and recycles proteins would have large numbers of

A red blood cell that is placed in a hypertonic solution

Receptor-mediated endocytosis

What type of membrane proteins can catalyze chemical reactions on the inner or outer surfaces of the plasma membrane?

Which of the following is NOT associated with interphase?

Nucleoli

Which of the following is NOT consistent with active transport?

A cell with abundant peroxisomes would most likely be involved in

White blood cells digest other cells and so would be expected to

Which of the following activities is a function of the plasma membrane?

Cytoplasm is found

-What structure does "C" represent on the diagram of the plasma membrane?

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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