Question 1

What organelle packages materials for secretion from the cell?

Accepted Answer

A)  endoplasmic reticulum 
B)  flagellum 
C)  peroxisomes 
D)  Golgi apparatus 
E)  nucleolus 
A)  endoplasmic reticulum 
B)  flagellum 
C)  peroxisomes 
D)  Golgi apparatus 
E)  nucleolus

Question 2

Which of the following is NOT posttranslational processing?

Accepted Answer

A)  conversion of a pro-protein to a functional protein 
B)  conversion of a pro-enzyme to a functional enzyme 
C)  joining 2 or more amino acid chains 
D)  adding polysaccharide side chains to proteins 
E)  removal of introns from pre-mRNA 
A)  conversion of a pro-protein to a functional protein 
B)  conversion of a pro-enzyme to a functional enzyme 
C)  joining 2 or more amino acid chains 
D)  adding polysaccharide side chains to proteins 
E)  removal of introns from pre-mRNA

Question 3

Mitosis forms

Accepted Answer

A)  one daughter cell and another incomplete cell. 
B)  daughter cells called gametes. 
C)  two daughter cells with twice the amount of DNA as the mother cell. 
D)  two daughter cells with the same amount of DNA as the mother cell. 
E)  two daughter cells with half the DNA of the mother cell. 
A)  one daughter cell and another incomplete cell. 
B)  daughter cells called gametes. 
C)  two daughter cells with twice the amount of DNA as the mother cell. 
D)  two daughter cells with the same amount of DNA as the mother cell. 
E)  two daughter cells with half the DNA of the mother cell.

Question 4

The nucleic acid that is synthesized in the nucleus from a DNA template is

Accepted Answer

A)  tRNA. 
B)  mRNA. 
C)  rRNA. 
D)  All of these are correct. 
A)  tRNA. 
B)  mRNA. 
C)  rRNA. 
D)  All of these are correct.

Question 5

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 6

-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 "C"?

Accepted Answer

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

Question 7

Which of the following would increase the rate of mediated transport?

Accepted Answer

A)  change the shape of the binding site on the carrier molecule 
B)  increase the number of competitive molecules 
C)  remove the binding site on the carrier molecule 
D)  fill all binding sites on carrier molecules 
E)  increase the number of available carrier molecules 
A)  change the shape of the binding site on the carrier molecule 
B)  increase the number of competitive molecules 
C)  remove the binding site on the carrier molecule 
D)  fill all binding sites on carrier molecules 
E)  increase the number of available carrier molecules

Question 8

Cilia and flagella are distinguished from each other on the basis of

Accepted Answer

A)  width and numbers. 
B)  length and numbers. 
C)  depth and numbers. 
D)  length and width. 
E)  None of these choices is correct. 
A)  width and numbers. 
B)  length and numbers. 
C)  depth and numbers. 
D)  length and width. 
E)  None of these choices is correct.

Question 9

White blood cells engulf foreign particles by means of

Accepted Answer

A)  macrocytosis. 
B)  phagocytosis. 
C)  exocytosis. 
D)  pinocytosis. 
E)  prestocytosis. 
A)  macrocytosis. 
B)  phagocytosis. 
C)  exocytosis. 
D)  pinocytosis. 
E)  prestocytosis.

Question 10

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

Accepted Answer

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

Question 11

What type of membrane proteins are integral proteins that move ions or molecules across plasma membrane?

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

All triplets required to code for synthesis of a protein are a

Accepted Answer

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

Question 14

Internal structures of a cell that carry out specialized metabolic tasks are called _____.

Accepted Answer

A)  cytoskeletal elements 
B)  enzymes 
C)  ribosomes 
D)  organelles 
A)  cytoskeletal elements 
B)  enzymes 
C)  ribosomes 
D)  organelles

Question 15

Which of the following could be used to study general features of cells?

Accepted Answer

A)  binoculars 
B)  scanning electron microscope 
C)  transmission electron microscope 
D)  light microscope 
E)  a magnifying glass 
A)  binoculars 
B)  scanning electron microscope 
C)  transmission electron microscope 
D)  light microscope 
E)  a magnifying glass

Question 16

Which of the following structures is found in the nucleus?

Accepted Answer

A)  chromosome 
B)  flattened membrane sacs 
C)  cisternae 
D)  cristae 
E)  cytosol 
A)  chromosome 
B)  flattened membrane sacs 
C)  cisternae 
D)  cristae 
E)  cytosol

Question 17

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

Accepted Answer

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

Question 18

The intracellular digestive organelle of a cell is the

Accepted Answer

A)  lipochrome. 
B)  smooth endoplasmic reticulum. 
C)  lysosome. 
D)  rough endoplasmic reticulum. 
E)  microtubule. 
A)  lipochrome. 
B)  smooth endoplasmic reticulum. 
C)  lysosome. 
D)  rough endoplasmic reticulum. 
E)  microtubule.

Question 19

The second most abundant of the lipids in the plasma membrane is/are

Accepted Answer

A)  glycolipids. 
B)  triglycerides. 
C)  phospholipids. 
D)  saturated fats. 
E)  cholesterol. 
A)  glycolipids. 
B)  triglycerides. 
C)  phospholipids. 
D)  saturated fats. 
E)  cholesterol.

Question 20

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

Exam 3: Cell Biology

What organelle packages materials for secretion from the cell?

Which of the following is NOT posttranslational processing?

Mitosis forms

The nucleic acid that is synthesized in the nucleus from a DNA template is

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

-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 "C"?

Which of the following would increase the rate of mediated transport?

Cilia and flagella are distinguished from each other on the basis of

White blood cells engulf foreign particles by means of

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

What type of membrane proteins are integral proteins that move ions or molecules across plasma membrane?

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

All triplets required to code for synthesis of a protein are a

Internal structures of a cell that carry out specialized metabolic tasks are called _____.

Which of the following could be used to study general features of cells?

Which of the following structures is found in the nucleus?

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

The intracellular digestive organelle of a cell is the

The second most abundant of the lipids in the plasma membrane is/are

Which of the following pairs of terms is mismatched?

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

Filters