Question 1

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

Question 2

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. 
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.

Question 3

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. 
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.

Question 4

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

Accepted Answer

A) nucleolus 
B) cytoplasm 
C) organelle 
D) cytoskeleton 
E) mitochondrion 
A) nucleolus 
B) cytoplasm 
C) organelle 
D) cytoskeleton 
E) mitochondrion

Question 5

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. 
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.

Question 6

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

Accepted Answer

A) 38 
B) 36 
C) 32 
D) 2 
E) 4 
A) 38 
B) 36 
C) 32 
D) 2 
E) 4

Question 7

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 Cuvier 
A) Louis Pasteur 
B) Charles Darwin 
C) John Ray 
D) Walther Flemming 
E) Georges Cuvier

Question 8

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) hypertonic 
A) isotonic 
B) hypotonic 
C) mesotonic 
D) oligotonic 
E) hypertonic

Question 9

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 system 
A) sperm 
B) eggs 
C) lining of the respiratory tract 
D) lining of the uterine tubes 
E) lining of the urinary system

Question 10

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) mitochondria 
A) plasma membrane 
B) nucleus 
C) endoplasmic reticulum 
D) Golgi body 
E) mitochondria

Question 11

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

Question 12

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

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

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) 100 
A) 50 
B) 75 
C) 25 
D) 0 
E) 100

Question 15

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

Question 16

What are the folds in mitochondrial membranes called?

Accepted Answer

A) matrix 
B) cristae 
C) rugae 
D) lumen 
E) villi 
A) matrix 
B) cristae 
C) rugae 
D) lumen 
E) villi

Question 17

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

Question 18

Archaea are considered the evolutionary precursors to eukaryotic cells.

Accepted Answer

A) True 
 B)False

Question 19

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

Question 20

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) assimilation 
A) respiration 
B) catabolism 
C) anabolism 
D) cell division 
E) assimilation

Exam 3: Cell Structure and Function

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

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

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

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

The reason that metabolizing cells are small in size is because

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

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

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.

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

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

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

Which protein filaments are bundled together to form cilia?

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

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?

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

What are the folds in mitochondrial membranes called?

Which model currently describes the structure of the plasma membrane?

Archaea are considered the evolutionary precursors to eukaryotic cells.

The light microscope has a resolving power of

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

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Chemistry of Life

Organization and Regulation of Body Systems

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