Question 1

The cytoplasm is made up of

Accepted Answer

A)   organelles.
B)   Both cytogel and organelles.
C)   Both cytosol and organelles.
D)   cytosol.
E)   cytogel.F) All of the above
G) B) and D)

Question 2

A cancer that is able to spread and become worse is called

Accepted Answer

A)   benign
B)   metastasis
C)   malignant
D)   carcinoma
E)   sarcomaF) B) and E)
G) A) and B)

Question 3

Portions of pre-mRNA that do NOT code for parts of a protein are called

Accepted Answer

A)   introns.
B)   start codons.
C)   exons.
D)   stop codons.
E)   All of these except exons do not code for parts of a protein.F) B) and C)
G) None of the above

Question 4

Cells produce and respond to chemical and electrical signals as a means of

Accepted Answer

A)   synthesizing.
B)   communicating.
C)   metabolizing.
D)   using energy.
E)   reproducing.F) A) and D)
G) A) and E)

Question 5

What organelle contains the chromosomes?

Accepted Answer

A)   centrioles
B)   ribosomes
C)   lysosomes
D)   nucleus
E)   mitochondriaF) B) and C)
G) A) and E)

Question 6

Chromosomes begin migrating towards poles of the cell during

Accepted Answer

A)   anaphase.
B)   interphase.
C)   telophase.
D)   metaphase.
E)   prophase.F) D) and E)
G) C) and D)

Question 7

What cell type would have many Golgi apparatus?

Accepted Answer

A)   liver cells that detoxify hydrogen peroxide
B)   mucus cell (secretes mucus) 
C)   fibroblast (makes protein fibers) 
D)   cardiac muscle cells (require large amounts of ATP) 
E)   white blood cell, a phagocyteF) All of the above
G) A) and C)

Question 8

What organelles are small vacuoles containing oxidative enzymes?

Accepted Answer

A)   peroxisomes
B)   flagellum
C)   endoplasmic reticulum
D)   Golgi apparatus
E)   nucleolusF) C) and E)
G) A) and D)

Question 9

Which of the following will increase the rate of diffusion?

Accepted Answer

A)   an increase in the viscosity of the solvent
B)   an increase in the temperature
C)   an increase in the molecular weight of the diffusing particles
D)   an increase in the distance the molecules have to travel
E)   All of these choices are correct.F) D) and E)
G) A) and B)

Question 10

-Answer these questions about chromosome structure. What does "B" represent?

Accepted Answer

A)   chromatid
B)   chromatin
C)   proteins
D)   chromosome
E)   centromereF) All of the above
G) A) and E)

Question 11

Which of the following is CORRECTLY matched with its function?

Accepted Answer

A)   cell identity molecules - are primarily steroids
B)   receptor proteins - move specific ions or molecules using ATP
C)   carrier proteins - move bound ions or molecules from one side of the membrane to the other
D)   channel proteins - catalyze chemical reactions inside the cell
E)   peripheral proteins - penetrate the lipid bilayer from one surface to the otherF) B) and C)
G) None of the above

Question 12

Which of the following is NOT a type of cancer therapy?

Accepted Answer

A)   use of drugs to increase the blood supply to the tumor
B)   killing tissue with lasers
C)   surgical removal of the tissue
D)   killing tissue with x-rays
E)   use of drugs to kill cellsF) B) and C)
G) A) and C)

Question 13

You are looking at a cell with the electron microscope and you notice the following characteristics: presence of many mitochondria and lysosomes; few, if any, Golgi apparatus; and many ribosomes. Which of the following is the most likely function of that cell?

Accepted Answer

A)   DNA replication
B)   absorption of nutrients
C)   intracellular digestion
D)   modification of protein
E)   secretion of lipidsF) All of the above
G) A) and B)

Question 14

The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of

Accepted Answer

A)   amino acids in a protein.
B)   nucleotides in the anticodons of tRNA.
C)   nucleotides in a gene.
D)   amino acids in DNA.
E)   codons in DNA.F) C) and D)
G) B) and E)

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 bilayerF) All of the above
G) A) and E)

Question 16

A mitochondrial disease is passed to offspring via the father.

Accepted Answer

A)   True
B)   FalseC) A) and B)
D) undefined

Question 17

Which of these molecules is correctly matched with its method of movement through the cell 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 these are correctly paired.F) A) and B)
G) None of the above

Question 18

Plasma membrane phospholipids

Accepted Answer

A)   have nonpolar fatty acid tails.
B)   form a bilayer.
C)   have polar phosphate heads.
D)   create a selectively permeable barrier.
E)   All of these choices are correct.F) B) and C)
G) A) and E)

Question 19

Which of the following organelles may or may not have ribosomes attached?

Accepted Answer

A)   nucleolus
B)   peroxisomes
C)   endoplasmic reticulum
D)   flagellum
E)   Golgi apparatusF) A) and B)
G) C) and D)

Question 20

What is the term used to describe a small generic membrane-bound structure that transports substances to the plasma membrane for release by exocytosis?

Accepted Answer

A)   Secretory vesicle
B)   Proteosome granule
C)   Chromatid
D)   Organelle
E)   CentrosomeF) B) and D)
G) B) and E)

Exam 3: Cell Biology

Which of the following is NOT a type of cancer therapy?

Correct AnswerverifiedShow Answer

Which of the following organelles may or may not have ribosomes attached?

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

Correct AnswerverifiedShow Answer

Portions of pre-mRNA that do NOT code for parts of a protein are called

Correct AnswerverifiedShow Answer

What organelle contains the chromosomes?

Correct AnswerverifiedShow Answer

-Answer these questions about chromosome structure. What does "B" represent?

Correct AnswerverifiedShow Answer

A cancer that is able to spread and become worse is called

Correct AnswerverifiedShow Answer

Plasma membrane phospholipids

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

You are looking at a cell with the electron microscope and you notice the following characteristics: presence of many mitochondria and lysosomes; few, if any, Golgi apparatus; and many ribosomes. Which of the following is the most likely function of that cell?

Correct AnswerverifiedShow Answer

Cells produce and respond to chemical and electrical signals as a means of

Correct AnswerverifiedShow Answer

What is the term used to describe a small generic membrane-bound structure that transports substances to the plasma membrane for release by exocytosis?

Correct AnswerverifiedShow Answer

The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of

Correct AnswerverifiedShow Answer

Chromosomes begin migrating towards poles of the cell during

Correct AnswerverifiedShow Answer

A mitochondrial disease is passed to offspring via the father.

Correct AnswerverifiedShow Answer

What organelles are small vacuoles containing oxidative enzymes?

Correct AnswerverifiedShow Answer

What cell type would have many Golgi apparatus?

Correct AnswerverifiedShow Answer

The cytoplasm is made up of

Correct AnswerverifiedShow Answer

Which of the following is CORRECTLY matched with its function?

Correct AnswerverifiedShow Answer

Which of the following will increase the rate of diffusion?

Correct AnswerverifiedShow Answer

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