Question 1

In developing embryos such as a chicken,what restores the amount of surface area needed for exchange requirements?

Accepted Answer

A)  respiration
B)  catabolism
C)  anabolism
D)  cell division
E)  assimilationF) A) and E)
G) B) and E)

Question 2

What is the name of the semi-fluid medium inside the cell?

Accepted Answer

A)  nucleolus
B)  cytoplasm
C)  organelle
D)  cytoskeleton
E)  mitochondrionF) B) and C)
G) A) and E)

Question 3

Angela would like to look at living algae from pond water.What type of equipment should she use?

Accepted Answer

A)  compound light microscope
B)  transmission electron microscope
C)  scanning electron microscope
D)  magnifying glass
E)  her naked eyeF) C) and D)
G) A) and B)

Question 4

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion,then

Accepted Answer

A)  vesicles must travel from the Golgi to the cell surface.
B)  vesicles must travel from the RER and SER to the Golgi apparatus.
C)  the Golgi apparatus must be part of the endomembrane system.
D)  the Golgi apparatus must consist of 3 to 20 slightly curved sacs.
E)  the Golgi apparatus would contain proteins.F) A) and E)
G) None of the above

Question 5

Biologists classify cells into two broad categories--animals and plants.

Accepted Answer

A) True 
 B)False

Question 6

The light microscope has a resolving power of

Accepted Answer

A)  0.1 mm.
B)  0.01 mm.
C)  0.0001 mm.
D)  0.000001 mm.
E)  0.00000001 mm.F) B) and E)
G) C) and D)

Question 7

What is the maximum number of ATP molecules produced during aerobic respiration?

Accepted Answer

A)  38
B)  36
C)  32
D)  2
E)  4F) C) and E)
G) None of the above

Question 8

Which of the following structures are present in both eukaryotes and prokaryotes?

Accepted Answer

A)  plasma membrane
B)  nucleus
C)  endoplasmic reticulum
D)  Golgi body
E)  mitochondriaF) A) and D)
G) C) and D)

Question 9

A solution is at equilibrium across a plasma membrane.If 50 molecules were to enter the cell,how many molecules would need to exit the cell in order to maintain the equilibrium?

Accepted Answer

A)  50
B)  75
C)  25
D)  0
E)  100F) None of the above
G) A) and B)

Question 10

Which model currently describes the structure of the plasma membrane?

Accepted Answer

A)  endosymbiont model
B)  fluid-mosaic model
C)  plasmagel-plasmasol model
D)  lock and key model
E)  induced-fit modelF) B) and D)
G) C) and D)

Question 11

Archaea are considered the evolutionary precursors to eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 12

The reason that metabolizing cells are small in size is because

Accepted Answer

A)  cells influence nearby cells to divide.
B)  the surface area of a cell must be able to accomplish nutrient/waste exchange.
C)  cells need to dissipate heat effectively.
D)  mitosis occurs before cells reach a certain size.
E)  cells need to communicate with adjacent cells.F) C) and D)
G) A) and C)

Question 13

What are the folds in mitochondrial membranes called?

Accepted Answer

A)  matrix
B)  cristae
C)  rugae
D)  lumen
E)  villiF) A) and E)
G) B) and E)

Question 14

If you could remove all the phosphate in the cell,what would happen to the ATP cycle?

Accepted Answer

A)  It would stop when all the ATP had been converted into ADP.
B)  It would stop when all the ADP had been converted into ATP.
C)  It would cycle faster because the lack of phosphate would drive the cycle.
D)  It would cycle faster because of the buildup of ATP.
E)  It would not affect the ATP cyclE.F) B) and D)
G) C) and D)

Question 15

During a hurricane,salt water invades fresh water marshes causing many of the plants to die.The plants are killed because the salt water solution is __________________ to the plants,drawing water from their cells.

Accepted Answer

A)  isotonic
B)  hypotonic
C)  mesotonic
D)  oligotonic
E)  hypertonicF) D) and E)
G) All of the above

Question 16

Which protein filaments are bundled together to form cilia?

Accepted Answer

A)  microtubules
B)  actin filaments
C)  intermediate filaments
D)  centrosomes
E)  None of thesE.F) A) and D)
G) A) and C)

Question 17

If a cell lacked ribosomes,it would not be able to

Accepted Answer

A)  form a spindle apparatus.
B)  synthesize proteins.
C)  respire oxidatively.
D)  break down fats.
E)  produce ATP.F) A) and D)
G) A) and E)

Question 18

Whose work proved conclusively that spontaneous generation of life from nonlife was not possible?

Accepted Answer

A)  Louis Pasteur
B)  Charles Darwin
C)  John Ray
D)  Walther Flemming
E)  Georges CuvierF) B) and C)
G) A) and E)

Question 19

Which type of junctions must there be between cells to form a barrier?

Accepted Answer

A)  adhesion junctions
B)  gap junctions
C)  tight junctions
D)  channel junctions
E)  free junctionsF) A) and B)
G) B) and C)

Question 20

Which structure in the human body will use flagella to move?

Accepted Answer

A)  sperm
B)  eggs
C)  lining of the respiratory tract
D)  lining of the uterine tubes
E)  lining of the urinary systemF) C) and E)
G) None of the above

Exam 3: Cell Structure and Function

Whose work proved conclusively that spontaneous generation of life from nonlife was not possible?

Correct AnswerverifiedShow Answer

In developing embryos such as a chicken,what restores the amount of surface area needed for exchange requirements?

Correct AnswerverifiedShow Answer

Biologists classify cells into two broad categories--animals and plants.

Correct AnswerverifiedShow Answer

Which of the following would be a way of finishing this hypothesis about the function of the Golgi apparatus? If the Golgi apparatus is involved in packaging products for secretion,then

Correct AnswerverifiedShow Answer

During a hurricane,salt water invades fresh water marshes causing many of the plants to die.The plants are killed because the salt water solution is __________________ to the plants,drawing water from their cells.

Correct AnswerverifiedShow Answer

If you could remove all the phosphate in the cell,what would happen to the ATP cycle?

Correct AnswerverifiedShow Answer

If a cell lacked ribosomes,it would not be able to

Correct AnswerverifiedShow Answer

Which of the following structures are present in both eukaryotes and prokaryotes?

Correct AnswerverifiedShow Answer

What are the folds in mitochondrial membranes called?

Correct AnswerverifiedShow Answer

Which protein filaments are bundled together to form cilia?

Correct AnswerverifiedShow Answer

What is the maximum number of ATP molecules produced during aerobic respiration?

Correct AnswerverifiedShow Answer

Which structure in the human body will use flagella to move?

Correct AnswerverifiedShow Answer

The light microscope has a resolving power of

Correct AnswerverifiedShow Answer

A solution is at equilibrium across a plasma membrane.If 50 molecules were to enter the cell,how many molecules would need to exit the cell in order to maintain the equilibrium?

Correct AnswerverifiedShow Answer

Angela would like to look at living algae from pond water.What type of equipment should she use?

Correct AnswerverifiedShow Answer

The reason that metabolizing cells are small in size is because

Correct AnswerverifiedShow Answer

Archaea are considered the evolutionary precursors to eukaryotic cells.

Correct AnswerverifiedShow Answer

What is the name of the semi-fluid medium inside the cell?

Correct AnswerverifiedShow Answer

Which model currently describes the structure of the plasma membrane?

Correct AnswerverifiedShow Answer

Which type of junctions must there be between cells to form a barrier?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified