Question 1

Osmosis is the diffusion of _____ across a selectively permeable membrane.

Accepted Answer

A) sugar 
B) sodium 
C) oxygen 
D) urea 
E) water 
A) sugar 
B) sodium 
C) oxygen 
D) urea 
E) water

Question 2

A person suffered burns over a large part of his body.Evaporation of fluid from the surface of burned areas occurs.As a result of the evaporation process,cells will tend to

Accepted Answer

A) first swell and then resume their original shape. 
B) rupture. 
C) swell. 
D) remain unchanged. 
E) shrink. 
A) first swell and then resume their original shape. 
B) rupture. 
C) swell. 
D) remain unchanged. 
E) shrink.

Question 3

The transfer of information from DNA to messenger RNA (mRNA)is known as

Accepted Answer

A) transcription. 
B) translocation. 
C) translation. 
D) transduction. 
E) transmutation. 
A) transcription. 
B) translocation. 
C) translation. 
D) transduction. 
E) transmutation.

Question 4

What is a large,active phagocytic cell?

Accepted Answer

A) macrophage (large,mobile white blood cell) 
B) columnar cells of small intestines 
C) red blood cells 
D) spermatozoa 
E) columnar cells of upper respiratory tract 
A) macrophage (large,mobile white blood cell) 
B) columnar cells of small intestines 
C) red blood cells 
D) spermatozoa 
E) columnar cells of upper respiratory tract

Question 5

In the nucleus,DNA is wrapped with proteins.This complex is called

Accepted Answer

A) chromatin. 
B) DNA particles. 
C) nucleoli. 
D) a DNA wrap. 
E) cytoplasmic organelles. 
A) chromatin. 
B) DNA particles. 
C) nucleoli. 
D) a DNA wrap. 
E) cytoplasmic organelles.

Question 6

The movement of oxygen from the alveoli of the lungs into the bloodstream is an example of

Accepted Answer

A) osmosis. 
B) active transport. 
C) bulk transport. 
D) facilitated diffusion. 
E) diffusion. 
A) osmosis. 
B) active transport. 
C) bulk transport. 
D) facilitated diffusion. 
E) diffusion.

Question 7

Ribosomes are organelles responsible for

Accepted Answer

A) packaging "cell products" for export. 
B) energy production. 
C) cell movement and cell shape. 
D) protein synthesis. 
E) manufacturing lipids. 
A) packaging "cell products" for export. 
B) energy production. 
C) cell movement and cell shape. 
D) protein synthesis. 
E) manufacturing lipids.

Question 8

Which of the following is CORRECTLY matched with its function?

Accepted Answer

A) peripheral proteins - penetrate the lipid bilayer from one surface to the other 
B) nongated ion channels - are always closed 
C) receptor proteins - attach to ligand molecules 
D) channel proteins - are part of an intercellular communication system 
E) marker molecules - are primarily steroids 
A) peripheral proteins - penetrate the lipid bilayer from one surface to the other 
B) nongated ion channels - are always closed 
C) receptor proteins - attach to ligand molecules 
D) channel proteins - are part of an intercellular communication system 
E) marker molecules - are primarily steroids

Question 9

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) increased ATP synthesis 
E) None of these choices is 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) increased ATP synthesis 
E) None of these choices is correct.

Question 10

A mitochondrial disease is passed to offspring via the father.

Accepted Answer

A) True 
B) False 
A) True 
B) False

Question 11

The movement of a substance from an area of high concentration to an area of less concentration is called

Accepted Answer

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

Question 12

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

Accepted Answer

A) pinocytosis. 
B) biocytosis. 
C) exocytosis. 
D) calmly regulated diffusion. 
E) phagocytosis. 
A) pinocytosis. 
B) biocytosis. 
C) exocytosis. 
D) calmly regulated diffusion. 
E) phagocytosis.

Question 13

What is mediated transport?

Accepted Answer

A)  The movement of molecules across a membrane by means of a protein carrier. 
B)  The process of peptide synthesis on the surface of the ribosome. 
C)  The ability of molecules to pass through the nuclear membrane. 
D)  The movement of vesicles by intermediate filaments. 
A)  The movement of molecules across a membrane by means of a protein carrier. 
B)  The process of peptide synthesis on the surface of the ribosome. 
C)  The ability of molecules to pass through the nuclear membrane. 
D)  The movement of vesicles by intermediate filaments.

Question 14

What organelle contains the chromosomes?

Accepted Answer

A) centrioles 
B) ribosomes 
C) lysosomes 
D) nucleus 
E) mitochondria 
A) centrioles 
B) ribosomes 
C) lysosomes 
D) nucleus 
E) mitochondria

Question 15

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

Accepted Answer

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

Question 16

A protein that is converted to an active enzyme is a

Accepted Answer

A) codon. 
B) proenzyme. 
C) gene. 
D) pre-mRNA. 
E) ribosomal RNA (rRN
A) . 
A) codon. 
B) proenzyme. 
C) gene. 
D) pre-mRNA. 
E) ribosomal RNA (rRN
A) .

Question 17

All of the chemical reactions within a cell are known as cell

Accepted Answer

A) communication. 
B) inheritance. 
C) metabolism. 
D) movement. 
E) reproduction. 
A) communication. 
B) inheritance. 
C) metabolism. 
D) movement. 
E) reproduction.

Question 18

Which of the following terms does NOT relate to the mitochondria?

Accepted Answer

A) ATP 
B) cristae 
C) self-replicating 
D) outer and inner membranes 
E) vitamin A storage 
A) ATP 
B) cristae 
C) self-replicating 
D) outer and inner membranes 
E) vitamin A storage

Question 19

Three adjacent nucleotides in mRNA are called a

Accepted Answer

A) pre-mRNA. 
B) gene. 
C) codon. 
D) ribosomal RNA (rRN
A) . 
E) proenzyme. 
A) pre-mRNA. 
B) gene. 
C) codon. 
D) ribosomal RNA (rRN
A) . 
E) proenzyme.

Question 20

Which transport process requires a carrier molecule but does not use cellular energy?

Accepted Answer

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

Exam 3: Cell Biology

Osmosis is the diffusion of _____ across a selectively permeable membrane.

A person suffered burns over a large part of his body.Evaporation of fluid from the surface of burned areas occurs.As a result of the evaporation process,cells will tend to

The transfer of information from DNA to messenger RNA (mRNA)is known as

What is a large,active phagocytic cell?

In the nucleus,DNA is wrapped with proteins.This complex is called

The movement of oxygen from the alveoli of the lungs into the bloodstream is an example of

Ribosomes are organelles responsible for

Which of the following is CORRECTLY matched with its function?

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

A mitochondrial disease is passed to offspring via the father.

The movement of a substance from an area of high concentration to an area of less concentration is called

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

What is mediated transport?

What organelle contains the chromosomes?

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

A protein that is converted to an active enzyme is a

All of the chemical reactions within a cell are known as cell

Which of the following terms does NOT relate to the mitochondria?

Three adjacent nucleotides in mRNA are called a

Which transport process requires a carrier molecule but does not use cellular energy?

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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