Question 1

Which of the following fundamental properties of life do viruses NOT possess?

Accepted Answer

A) metabolism 
B) irritability 
C) ability to reproduce 
D) both A and B 
E) both B and C 
A) metabolism 
B) irritability 
C) ability to reproduce 
D) both A and B 
E) both B and C D

Question 2

Which of the following is least likely to be part of a cell membrane?

Accepted Answer

A) enzymes 
B) proteoglycans 
C) transport proteins 
D) glycoproteins 
E) phospholipids 
A) enzymes 
B) proteoglycans 
C) transport proteins 
D) glycoproteins 
E) phospholipids B

Question 3

The size range of most plant and animal cells is .

Accepted Answer

A) 1- 10 nm 
B) 50- 100 mm 
C) 1- 5 µm 
D) 10- 50 µm 
E) 0.1- 0.5 mm 
A) 1- 10 nm 
B) 50- 100 mm 
C) 1- 5 µm 
D) 10- 50 µm 
E) 0.1- 0.5 mm D

Question 4

Which of the following is included as part of the eubacteria?

Accepted Answer

A) halobacteria 
B) thermacidophiles 
C) sulfobacteria 
D) methanogens 
E) cyanobacteria 
A) halobacteria 
B) thermacidophiles 
C) sulfobacteria 
D) methanogens 
E) cyanobacteria

Question 5

Kuru is a degenerative disease of the central nervous system believed to be caused by which type of agent?

Accepted Answer

A) virus 
B) bacterium 
C) protozoan 
D) viroid 
E) prion 
A) virus 
B) bacterium 
C) protozoan 
D) viroid 
E) prion

Question 6

In which of the following properties are the archaea more like eukaryotes than the bacteria?

Accepted Answer

A) microtubules and microfilaments 
B) mode of cell division 
C) translation initiation 
D) size 
E) both C and D 
A) microtubules and microfilaments 
B) mode of cell division 
C) translation initiation 
D) size 
E) both C and D

Question 7

Which of the following diseases is caused by a peroxisomal defect?

Accepted Answer

A) Zellweger syndrome 
B) sickle- cell anemia 
C) Tay- Sachs disease 
D) I- cell disease 
E) hypertrophic cardiomyopathy 
A) Zellweger syndrome 
B) sickle- cell anemia 
C) Tay- Sachs disease 
D) I- cell disease 
E) hypertrophic cardiomyopathy

Question 8

Which of the following organelles is NOT generally found in animal cells?

Accepted Answer

A) endoplasmic reticulum 
B) centriole 
C) food vacuole 
D) mitochondrion 
E) central vacuole 
A) endoplasmic reticulum 
B) centriole 
C) food vacuole 
D) mitochondrion 
E) central vacuole

Question 9

A(n)is composed of tetrameric protofilaments.

Accepted Answer

A) extracellular matrix 
B) microfilament 
C) intermediate filament 
D) microtubule 
E) bacteriophage 
A) extracellular matrix 
B) microfilament 
C) intermediate filament 
D) microtubule 
E) bacteriophage

Question 10

The is comprised of the fluid portion of the cell and contains the organelles.

Accepted Answer

The answer of The is comprised of the fluid portion...

Question 11

Which of the following diseases is caused by a prion?

Accepted Answer

A) infantile Refsum disease 
B) Tay- Sachs disease 
C) Zellweger's syndrome 
D) polio 
E) mad cow disease 
A) infantile Refsum disease 
B) Tay- Sachs disease 
C) Zellweger's syndrome 
D) polio 
E) mad cow disease

Question 12

Which sequence reflects the locations that a secretory protein will visit on its way from its production to its secretion outside the cell?

Accepted Answer

A) rough ER, Golgi complex, smooth ER, ER vesicle 
B) nucleus, Golgi complex, rough or smooth ER, secretory vesicle 
C) rough ER, ER vesicle, Golgi complex, secretory vesicle 
D) smooth ER, rough ER, Golgi complex, secretory vesicle 
E) rough ER, secretory vesicle, Golgi complex, ER vesicle 
A) rough ER, Golgi complex, smooth ER, ER vesicle 
B) nucleus, Golgi complex, rough or smooth ER, secretory vesicle 
C) rough ER, ER vesicle, Golgi complex, secretory vesicle 
D) smooth ER, rough ER, Golgi complex, secretory vesicle 
E) rough ER, secretory vesicle, Golgi complex, ER vesicle

Question 13

A protein is destined to be secreted from a cell. In which organelle would you expect to find the protein just after it is produced in the rough endoplasmic reticulum?

Accepted Answer

A) secretory vesicle 
B) endosome 
C) nucleus 
D) lysosome 
E) Golgi apparatus 
A) secretory vesicle 
B) endosome 
C) nucleus 
D) lysosome 
E) Golgi apparatus

Question 14

Lignin is an important component in

Accepted Answer

A) plant cell walls. 
B) tight junctions. 
C) plasmodesmata. 
D) fungal cell walls. 
E) bacterial cell walls. 
A) plant cell walls. 
B) tight junctions. 
C) plasmodesmata. 
D) fungal cell walls. 
E) bacterial cell walls.

Question 15

Membrane proteins may function in

Accepted Answer

A) protein manufacture. 
B) temperature control. 
C) amphipathic modification. 
D) information storage. 
E) receiving extracellular signals. 
A) protein manufacture. 
B) temperature control. 
C) amphipathic modification. 
D) information storage. 
E) receiving extracellular signals.

Question 16

Currently there is a great deal of scientific debate about whether or not viruses should be considered living organisms. Pick a side on the debate and defend your position with scientific facts. In your discussion, be sure to include the properties of life and the impact on the taxonomic placement of viroids and prions.

Accepted Answer

Answers will vary; grading wil

Question 17

Which of the following is true of a lysosome?

Accepted Answer

A) The contents of the lysosome originate in the smooth ER. 
B) The lysosome may function in glycosylation. 
C) The lysosome may mature from a late endosome. 
D) The lysosome functions in export packaging. 
E) all of the above 
A) The contents of the lysosome originate in the smooth ER. 
B) The lysosome may function in glycosylation. 
C) The lysosome may mature from a late endosome. 
D) The lysosome functions in export packaging. 
E) all of the above

Question 18

Glyoxysomes play an important role in the germination of fat- storing seeds and are considered to be specialized _ .

Accepted Answer

A) vacuoles 
B) peroxisomes 
C) centrioles 
D) ribosomes 
E) lysosomes 
A) vacuoles 
B) peroxisomes 
C) centrioles 
D) ribosomes 
E) lysosomes

Question 19

Intermediate filaments are

Accepted Answer

A) different in different cell types. 
B) composed of tubulin. 
C) composed of globular proteins only. 
D) smaller than actin filaments. 
E) none of the above 
A) different in different cell types. 
B) composed of tubulin. 
C) composed of globular proteins only. 
D) smaller than actin filaments. 
E) none of the above

Question 20

Which of the following is NOT true of a viroid?

Accepted Answer

A) Cadang- cadang is a viroid disease of the coconut palm. 
B) Viroids affect mostly plants. 
C) Its RNA is circular. 
D) Its capsid is quite small. 
E) Viroids possess about 300- 400 nucleotides. 
A) Cadang- cadang is a viroid disease of the coconut palm. 
B) Viroids affect mostly plants. 
C) Its RNA is circular. 
D) Its capsid is quite small. 
E) Viroids possess about 300- 400 nucleotides.

Exam 4: Cells and Organelles

Which of the following fundamental properties of life do viruses NOT possess?

Which of the following is least likely to be part of a cell membrane?

The size range of most plant and animal cells is .

Which of the following is included as part of the eubacteria?

Kuru is a degenerative disease of the central nervous system believed to be caused by which type of agent?

In which of the following properties are the archaea more like eukaryotes than the bacteria?

Which of the following diseases is caused by a peroxisomal defect?

Which of the following organelles is NOT generally found in animal cells?

A(n)is composed of tetrameric protofilaments.

The is comprised of the fluid portion of the cell and contains the organelles.

Which of the following diseases is caused by a prion?

Which sequence reflects the locations that a secretory protein will visit on its way from its production to its secretion outside the cell?

A protein is destined to be secreted from a cell. In which organelle would you expect to find the protein just after it is produced in the rough endoplasmic reticulum?

Lignin is an important component in

Membrane proteins may function in

Which of the following is true of a lysosome?

Glyoxysomes play an important role in the germination of fat- storing seeds and are considered to be specialized _ .

Intermediate filaments are

Which of the following is NOT true of a viroid?

A Preview of the Cell

The Chemistry of the Cell

The Macromolecules of the Cell

Bioenergetics: The Flow of Energy in the Cell

Enzymes: The Catalysts of Life

Membranes: Their Structure, Function, and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

The Endomembrane System and Peroxisomes

Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

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