Question 1

Which of the following represents a carrier protein?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) Both A and B. 
A) A 
B) B 
C) C 
D) D 
E) Both A and B.

Question 2

An orderly,genetically programmed cell death is referred to as ________,while disorganized pathological cell death is referred to as ________.

Accepted Answer

A) apoptosis;synapsis 
B) apoptosis;necrosis 
C) necrosis;apoptosis 
D) synapsis;necrosis 
E) necrosis;synapsis 
A) apoptosis;synapsis 
B) apoptosis;necrosis 
C) necrosis;apoptosis 
D) synapsis;necrosis 
E) necrosis;synapsis

Question 3

Describe five different functions of integral membrane proteins.

Accepted Answer

The answer of Describe five different functions of integral membrane...

Question 4

In the diagram,which panel shows cells that are in interphase????1 A?2 C?3 F

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3 
A) 1 only 
B) 2 only 
C) 3 only 
D) 1 and 3 
E) 1,2,and 3

Question 5

___________ is the loss of tissue differentiation and function that is characteristic of most malignancies.

Accepted Answer

A) Hyperplasia 
B) Hypertrophy 
C) Atrophy 
D) Dysplasia 
E) Anaplasia 
A) Hyperplasia 
B) Hypertrophy 
C) Atrophy 
D) Dysplasia 
E) Anaplasia

Question 6

Briefly explain the difference between transcription and translation.

Accepted Answer

The answer of Briefly explain the difference between transcription and...

Question 7

This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane.

Accepted Answer

A) receptors 
B) phospholipids 
C) cholesterol 
D) enzymes 
E) ligands 
A) receptors 
B) phospholipids 
C) cholesterol 
D) enzymes 
E) ligands

Question 8

The following is a particular sequence of base triplet on a DNA molecule: ATG.What is the corresponding codon for the mRNA?

Accepted Answer

A) TAC 
B) GUA 
C) GTA 
D) CTA 
E) UAC 
A) TAC 
B) GUA 
C) GTA 
D) CTA 
E) UAC

Question 9

In the diagram,which organelle is used to modify,sort and transport proteins?

Accepted Answer

A) D 
B) I 
C) A 
D) J 
E) G 
A) D 
B) I 
C) A 
D) J 
E) G

Question 10

Most intravenous solutions are _________ with respect to blood cells?

Accepted Answer

A) tonicity 
B) isotonic 
C) hypertonic 
D) osmotic 
E) hypotonic 
A) tonicity 
B) isotonic 
C) hypertonic 
D) osmotic 
E) hypotonic

Question 11

Which of the following substances is normally transported across the plasma membrane by exocytosis?

Accepted Answer

A) carbon dioxide gas 
B) bacteria 
C) ions 
D) fat-soluble vitamins 
E) neurotransmitters 
A) carbon dioxide gas 
B) bacteria 
C) ions 
D) fat-soluble vitamins 
E) neurotransmitters

Question 12

Which of the following membrane-enclosed organelles can engulf a worn-out organelle,digest its chemical components,and recycle those digested components?

Accepted Answer

A) peroxisomes 
B) mitochondria 
C) proteasome 
D) ribosomes 
E) lysosomes 
A) peroxisomes 
B) mitochondria 
C) proteasome 
D) ribosomes 
E) lysosomes

Question 13

This process is division of the cytoplasm.

Accepted Answer

A) mitosis 
B) meiosis 
C) cytokinesis 
D) cytosol 
E) centrioles 
A) mitosis 
B) meiosis 
C) cytokinesis 
D) cytosol 
E) centrioles

Question 14

What does this figure represent?

Accepted Answer

A) fluid mosaic model of the plasma membrane 
B) cytokinesis 
C) mitosis 
D) gene expression 
E) organelle digestion 
A) fluid mosaic model of the plasma membrane 
B) cytokinesis 
C) mitosis 
D) gene expression 
E) organelle digestion

Question 15

What structural components of the membrane are labeled (C)in the diagram?

Accepted Answer

A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids 
A) peripheral proteins 
B) cholesterol molecules 
C) pores 
D) integral proteins 
E) phospholipids

Question 16

In the diagram,which one represents a hypertonic solution

Accepted Answer

A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct. 
A) A 
B) B 
C) C 
D) Both B and C 
E) All of these choices are correct.

Question 17

Microfilaments,intermediate filaments and microtubules are all components of a cell's

Accepted Answer

A) cytoskeleton. 
B) nucleus. 
C) plasma membrane. 
D) flagella. 
E) ribosome. 
A) cytoskeleton. 
B) nucleus. 
C) plasma membrane. 
D) flagella. 
E) ribosome.

Question 18

In the diagram,which organelle aids movement of the cell?

Accepted Answer

A) A 
B) G 
C) H 
D) D 
E) I 
A) A 
B) G 
C) H 
D) D 
E) I

Question 19

Which of the following transport processes moves substances through cells using endocytosis on one side of a cell and exocytosis on the opposite side of the cell?

Accepted Answer

A) phagocytosis 
B) secondary active transport 
C) transcytosis 
D) osmosis 
E) simple diffusion 
A) phagocytosis 
B) secondary active transport 
C) transcytosis 
D) osmosis 
E) simple diffusion

Question 20

Specialized structures within a cell that have a characteristic shape and perform specific functions in cellular growth,maintenance and reproduction are called

Accepted Answer

A) organelles. 
B) cytoskeletons. 
C) cytoplasm. 
D) cytosol. 
E) nuclei. 
A) organelles. 
B) cytoskeletons. 
C) cytoplasm. 
D) cytosol. 
E) nuclei.

Exam 3: The Cellular Level of Organization

Which of the following represents a carrier protein?

An orderly,genetically programmed cell death is referred to as ________,while disorganized pathological cell death is referred to as ________.

Describe five different functions of integral membrane proteins.

In the diagram,which panel shows cells that are in interphase????1 A?2 C?3 F

___________ is the loss of tissue differentiation and function that is characteristic of most malignancies.

Briefly explain the difference between transcription and translation.

This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasma membrane.

The following is a particular sequence of base triplet on a DNA molecule: ATG.What is the corresponding codon for the mRNA?

In the diagram,which organelle is used to modify,sort and transport proteins?

Most intravenous solutions are _________ with respect to blood cells?

Which of the following substances is normally transported across the plasma membrane by exocytosis?

Which of the following membrane-enclosed organelles can engulf a worn-out organelle,digest its chemical components,and recycle those digested components?

This process is division of the cytoplasm.

What does this figure represent?

What structural components of the membrane are labeled (C)in the diagram?

In the diagram,which one represents a hypertonic solution

Microfilaments,intermediate filaments and microtubules are all components of a cell's

In the diagram,which organelle aids movement of the cell?

Which of the following transport processes moves substances through cells using endocytosis on one side of a cell and exocytosis on the opposite side of the cell?

Specialized structures within a cell that have a characteristic shape and perform specific functions in cellular growth,maintenance and reproduction are called

An Introduction to the Human Body

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: The Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System

The Cardiovascular System: The Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Digestive System

Metabolism

The Urinary System

The Reproductive Systems

Development and Inheritance

Filters

An orderly,genetically programmed cell death is referred to as ,while disorganized pathological cell death is referred to as .