Question 1

What structural component of the membrane is labeled (E)in the diagram?

Accepted Answer

A) glycoprotein 
B) cholesterol 
C) channel protein 
D) glycolipid 
E) phospholipid 
A) glycoprotein 
B) cholesterol 
C) channel protein 
D) glycolipid 
E) phospholipid B

Question 2

What structural component of the membrane is labeled (D)in the diagram?

Accepted Answer

A) glycoprotein 
B) integral protein 
C) channel protein 
D) glycolipid 
E) peripheral protein 
A) glycoprotein 
B) integral protein 
C) channel protein 
D) glycolipid 
E) peripheral protein E

Question 3

Spermatozoa is the only type of human cell that contains a ________,which is a whip-like structure that helps propel the sperm towards an oocyte.

Accepted Answer

A) cilium 
B) flagellum 
C) mitochondria 
D) centrosome 
E) microvillus 
A) cilium 
B) flagellum 
C) mitochondria 
D) centrosome 
E) microvillus B

Question 4

What are the nonpolar parts of phospholipids?

Accepted Answer

A) phosphate-containing head groups 
B) fatty acid tail groups 
C) Both the head and tail groups are nonpolar. 
D) Neither the head nor tail groups are nonpolar. 
A) phosphate-containing head groups 
B) fatty acid tail groups 
C) Both the head and tail groups are nonpolar. 
D) Neither the head nor tail groups are nonpolar.

Question 5

A patient in their twenties having the inherited disease ____________ presents the following symptoms: rapid acceleration of aging evidenced by wrinkling of skin,muscular atrophy and baldness.

Accepted Answer

A) Tay-Sachs disease 
B) leukemia 
C) progeria 
D) lymphoma 
E) Werner syndrome 
A) Tay-Sachs disease 
B) leukemia 
C) progeria 
D) lymphoma 
E) Werner syndrome

Question 6

Compare and contrast primary and secondary active transport.

Accepted Answer

The answer of Compare and contrast primary and secondary active...

Question 7

Briefly describe alternative splicing.

Accepted Answer

The answer of Briefly describe alternative splicing....

Question 8

Which of the following shows ligand binding at the cell surface?

Accepted Answer

A) B 
B) C 
C) D 
D) A 
E) E 
A) B 
B) C 
C) D 
D) A 
E) E

Question 9

What are the three main parts of a eukaryotic cell?

Accepted Answer

A) plasma membrane,organelles,cytoplasm 
B) plasma membrane,organelles,nucleus 
C) plasma membrane,cytoplasm,organelles 
D) plasma membrane,cytoplasm,nucleus 
E) plasma membrane,cytosol,organelles 
A) plasma membrane,organelles,cytoplasm 
B) plasma membrane,organelles,nucleus 
C) plasma membrane,cytoplasm,organelles 
D) plasma membrane,cytoplasm,nucleus 
E) plasma membrane,cytosol,organelles

Question 10

The overall function of mitosis is

Accepted Answer

A) production of gametes. 
B) creation of more cilia. 
C) formation of new flagella. 
D) production of proteins. 
E) production of new cells. 
A) production of gametes. 
B) creation of more cilia. 
C) formation of new flagella. 
D) production of proteins. 
E) production of new cells.

Question 11

These gene-containing structures consist of highly coiled and folded DNA along protein molecules.There are 46 of these structures in most cells in the human body.

Accepted Answer

A) histones 
B) chromatids 
C) chromosomes 
D) centromeres 
E) centrosomes 
A) histones 
B) chromatids 
C) chromosomes 
D) centromeres 
E) centrosomes

Question 12

Most sports drinks that help rehydrate the body are _________ relative to your body's cells?

Accepted Answer

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

Question 13

Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane?

Accepted Answer

A) concentration gradient of the chemical across the membrane 
B) mass of the diffusing chemical 
C) distance that the chemical has to diffuse 
D) amount of ATP available 
E) temperature 
A) concentration gradient of the chemical across the membrane 
B) mass of the diffusing chemical 
C) distance that the chemical has to diffuse 
D) amount of ATP available 
E) temperature

Question 14

Which of the following membrane-enclosed organelles contains several oxidases that are involved in oxidation of fatty acids and amino acids during normal metabolism and in detoxification of chemicals like alcohol in the liver?

Accepted Answer

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

Question 15

In the diagram,which one represents carrier-mediated facilitated diffusion?

Accepted Answer

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

Question 16

This structure binds to an amino acid and holds it in place on a ribosome until it is incorporated into a polypeptide chain during translation.

Accepted Answer

A) mRNA 
B) rRNA 
C) tRNA 
D) DNA 
E) cDNA 
A) mRNA 
B) rRNA 
C) tRNA 
D) DNA 
E) cDNA

Question 17

A(n)__________ is a permanent change in the DNA sequence of a gene.

Accepted Answer

A) mutation 
B) tumor 
C) sarcoma 
D) oncogene 
E) angiogenesis 
A) mutation 
B) tumor 
C) sarcoma 
D) oncogene 
E) angiogenesis

Question 18

This group of proteins is used to switch on and off the kinases that control the progression of somatic cell division from one stage of the cell cycle to the next.

Accepted Answer

A) tetrads. 
B) kinetochores. 
C) telomeres. 
D) histones. 
E) cyclins. 
A) tetrads. 
B) kinetochores. 
C) telomeres. 
D) histones. 
E) cyclins.

Question 19

During this phase of cell division,the centromeres split leading to separation and subsequent migration of the two members of a chromatid pair to opposite poles of the cells.The cleavage furrow also begins to develop during this phase.

Accepted Answer

A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase 
A) interphase 
B) prophase 
C) metaphase 
D) anaphase 
E) telophase

Question 20

What is the major function of histones?

Accepted Answer

A) needed for helix formation of the DNA 
B) add negative charge to the DNA 
C) help organize coiling and folding of the DNA 
D) degrade faulty proteins in the nucleus 
E) catalyze methylation of the DNA 
A) needed for helix formation of the DNA 
B) add negative charge to the DNA 
C) help organize coiling and folding of the DNA 
D) degrade faulty proteins in the nucleus 
E) catalyze methylation of the DNA

Exam 3: The Cellular Level of Organization

What structural component of the membrane is labeled (E)in the diagram?

What structural component of the membrane is labeled (D)in the diagram?

Spermatozoa is the only type of human cell that contains a ________,which is a whip-like structure that helps propel the sperm towards an oocyte.

What are the nonpolar parts of phospholipids?

A patient in their twenties having the inherited disease ____________ presents the following symptoms: rapid acceleration of aging evidenced by wrinkling of skin,muscular atrophy and baldness.

Compare and contrast primary and secondary active transport.

Briefly describe alternative splicing.

Which of the following shows ligand binding at the cell surface?

What are the three main parts of a eukaryotic cell?

The overall function of mitosis is

These gene-containing structures consist of highly coiled and folded DNA along protein molecules.There are 46 of these structures in most cells in the human body.

Most sports drinks that help rehydrate the body are _________ relative to your body's cells?

Which of the following does NOT influence the rate of diffusion of a chemical across a plasma membrane?

Which of the following membrane-enclosed organelles contains several oxidases that are involved in oxidation of fatty acids and amino acids during normal metabolism and in detoxification of chemicals like alcohol in the liver?

In the diagram,which one represents carrier-mediated facilitated diffusion?

This structure binds to an amino acid and holds it in place on a ribosome until it is incorporated into a polypeptide chain during translation.

A(n)__________ is a permanent change in the DNA sequence of a gene.

This group of proteins is used to switch on and off the kinases that control the progression of somatic cell division from one stage of the cell cycle to the next.

During this phase of cell division,the centromeres split leading to separation and subsequent migration of the two members of a chromatid pair to opposite poles of the cells.The cleavage furrow also begins to develop during this phase.

What is the major function of histones?

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