Question 1

What is the only human cell with a flagellum?

Accepted Answer

A)  Columnar cell of upper respiratory tract 
B)  Sperm cell 
C)  Columnar cell of small intestine 
D)  Red blood cell 
E)  Macrophage (large, mobile white blood cell) 
A)  Columnar cell of upper respiratory tract 
B)  Sperm cell 
C)  Columnar cell of small intestine 
D)  Red blood cell 
E)  Macrophage (large, mobile white blood cell)

Question 2

Certain cells in the liver ingest bacteria and debris from damaged cells by a process called ________.

Accepted Answer

A)  pinocytosis 
B)  phagocytosis 
C)  biocytosis 
D)  diffusion 
E)  exocytosis 
A)  pinocytosis 
B)  phagocytosis 
C)  biocytosis 
D)  diffusion 
E)  exocytosis

Question 3

The bulk uptake of material by the formation of a vesicle is called ________.

Accepted Answer

A)  active transport 
B)  diffusion 
C)  endocytosis 
D)  facilitated diffusion 
E)  osmosis 
A)  active transport 
B)  diffusion 
C)  endocytosis 
D)  facilitated diffusion 
E)  osmosis

Question 4

Which of these molecules is correctly matched with its method of movement through the plasma membrane?

Accepted Answer

A)  Lipid-soluble molecules - pass through membrane channels 
B)  Small, water-soluble molecules (ions) - dissolve in double phospholipid layer 
C)  Large, water-soluble molecules - transported by carrier-mediated processes 
D)  Glucose and amino acid molecules - pass through membrane channels 
E)  All of the choices are correctly paired. 
A)  Lipid-soluble molecules - pass through membrane channels 
B)  Small, water-soluble molecules (ions) - dissolve in double phospholipid layer 
C)  Large, water-soluble molecules - transported by carrier-mediated processes 
D)  Glucose and amino acid molecules - pass through membrane channels 
E)  All of the choices are correctly paired.

Question 5

Translation

Accepted Answer

A)  requires three types of DNA. 
B)  requires the pairing of codons on mRNA with anticodons on tRNA. 
C)  involves synthesis of RNA from DNA molecules. 
D)  takes place in the nucleus. 
E)  requires replication of DNA. 
A)  requires three types of DNA. 
B)  requires the pairing of codons on mRNA with anticodons on tRNA. 
C)  involves synthesis of RNA from DNA molecules. 
D)  takes place in the nucleus. 
E)  requires replication of DNA.

Question 6

________ pressure is the force required to prevent the movement of water by osmosis across a selectively permeable membrane.

Accepted Answer

A)  Hydration 
B)  Hydrolic 
C)  Osmotic 
D)  Fluid 
E)  Filtration 
A)  Hydration 
B)  Hydrolic 
C)  Osmotic 
D)  Fluid 
E)  Filtration

Question 7

Endocytosis

Accepted Answer

A)  is movement of water through a selectively permeable membrane. 
B)  is a process that requires a carrier molecule but does not use cellular energy. 
C)  is the bulk uptake of material through the plasma membrane by vesicle formation. 
D)  moves material out of the cell. 
E)  ends cell functions. 
A)  is movement of water through a selectively permeable membrane. 
B)  is a process that requires a carrier molecule but does not use cellular energy. 
C)  is the bulk uptake of material through the plasma membrane by vesicle formation. 
D)  moves material out of the cell. 
E)  ends cell functions.

Question 8

A cell with abundant peroxisomes would most likely be involved in

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

The shaft of a flagellum contains ________ microtubule doublets around its periphery.

Accepted Answer

A)  2 
B)  2 + 9 
C)  9 
D)  2+7 
E)  7 
A)  2 
B)  2 + 9 
C)  9 
D)  2+7 
E)  7

Question 11

Which of the following activities is associated with lysosomes?

Accepted Answer

A)  Exocytosis 
B)  Intracellular support 
C)  Destruction of nonfunctional organelles 
D)  Energy production 
E)  Endocytosis 
A)  Exocytosis 
B)  Intracellular support 
C)  Destruction of nonfunctional organelles 
D)  Energy production 
E)  Endocytosis

Question 12

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

Accepted Answer

A)  Phagocytized 
B)  Normal 
C)  Coagulated 
D)  Hemolyzed 
E)  Crenated 
A)  Phagocytized 
B)  Normal 
C)  Coagulated 
D)  Hemolyzed 
E)  Crenated

Question 13

The anticodon sequence GUA pairs with which of the following codons?

Accepted Answer

A)  CAT 
B)  GUA 
C)  CTU 
D)  CAU 
E)  CTT 
A)  CAT 
B)  GUA 
C)  CTU 
D)  CAU 
E)  CTT

Question 14

The movement of a substance from an area of high concentration to an area of lower concentration is called ________.

Accepted Answer

A)  active transport 
B)  diffusion 
C)  endocytosis 
D)  facilitated diffusion 
E)  osmosis 
A)  active transport 
B)  diffusion 
C)  endocytosis 
D)  facilitated diffusion 
E)  osmosis

Question 15

Organelles

Accepted Answer

A)  are extracellular structures. 
B)  are unspecialized portions of a cell. 
C)  generally lack membranes. 
D)  vary in number and type depending on cell function. 
E)  are structural, but not functional parts of the cell. 
A)  are extracellular structures. 
B)  are unspecialized portions of a cell. 
C)  generally lack membranes. 
D)  vary in number and type depending on cell function. 
E)  are structural, but not functional parts of the cell.

Question 16

The organelle that protects cells from the damaging effects of medications and toxins is the ________.

Accepted Answer

A)  ribosome 
B)  microtubule 
C)  secretory vesicle 
D)  smooth endoplasmic reticulum 
E)  mitochondria 
A)  ribosome 
B)  microtubule 
C)  secretory vesicle 
D)  smooth endoplasmic reticulum 
E)  mitochondria

Question 17

Cells that lack ribosomes cannot

Accepted Answer

A)  produce energy. 
B)  eliminate wastes. 
C)  engage in protein synthesis. 
D)  package cellular products. 
E)  ingest and phagocytize bacteria. 
A)  produce energy. 
B)  eliminate wastes. 
C)  engage in protein synthesis. 
D)  package cellular products. 
E)  ingest and phagocytize bacteria.

Question 18

A cell that produces many proteins for secretion would have large numbers of

Accepted Answer

A)  rough ER and Golgi apparatus. 
B)  lysosomes and Golgi apparatus. 
C)  Golgi apparatus and microvilli. 
D)  ribosomes and centrioles. 
E)  mitochondria and cilia. 
A)  rough ER and Golgi apparatus. 
B)  lysosomes and Golgi apparatus. 
C)  Golgi apparatus and microvilli. 
D)  ribosomes and centrioles. 
E)  mitochondria and cilia.

Question 19

The plasma membrane

Accepted Answer

A)  separates the nucleus from the rest of the cell. 
B)  is a rigid protein membrane. 
C)  is not permeable. 
D)  has a single layer of phospholipids. 
E)  regulates movement of materials into and out of the cell. 
A)  separates the nucleus from the rest of the cell. 
B)  is a rigid protein membrane. 
C)  is not permeable. 
D)  has a single layer of phospholipids. 
E)  regulates movement of materials into and out of the cell.

Question 20

Which of the following would increase the maximum rate of facilitated diffusion?

Accepted Answer

A)  Increase the concentration gradient of the transported molecule to the saturation point 
B)  Decrease the concentration gradient of the transported molecule 
C)  Increase the concentration of the competitive molecules 
D)  Increase ATP synthesis 
E)  None of the choices are correct. 
A)  Increase the concentration gradient of the transported molecule to the saturation point 
B)  Decrease the concentration gradient of the transported molecule 
C)  Increase the concentration of the competitive molecules 
D)  Increase ATP synthesis 
E)  None of the choices are correct.

Exam 3: Cell Biology

What is the only human cell with a flagellum?

Certain cells in the liver ingest bacteria and debris from damaged cells by a process called ________.

The bulk uptake of material by the formation of a vesicle is called ________.

Which of these molecules is correctly matched with its method of movement through the plasma membrane?

Translation

________ pressure is the force required to prevent the movement of water by osmosis across a selectively permeable membrane.

Endocytosis

A cell with abundant peroxisomes would most likely be involved in

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

The shaft of a flagellum contains ________ microtubule doublets around its periphery.

Which of the following activities is associated with lysosomes?

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

The anticodon sequence GUA pairs with which of the following codons?

The movement of a substance from an area of high concentration to an area of lower concentration is called ________.

Organelles

The organelle that protects cells from the damaging effects of medications and toxins is the ________.

Cells that lack ribosomes cannot

A cell that produces many proteins for secretion would have large numbers of

The plasma membrane

Which of the following would increase the maximum rate of facilitated diffusion?

The Human Organism

The Chemical Basis of Life

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint 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-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

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