Bio 1404: Exam 2; Questions with Complete Solutions
What is the ability of a cell to gain or lose water Correct Ans-Tonicity
What occurs when a cell is placed in a solution with higher concentrated solutes Correct
Ans-Hypertonic - Cell loses water
What occurs when a cell is placed in a solution with lower concentrated solutes Correct
Ans-Hypotonic - Cell gains water
What happens when the plasma membrane pulls away from the cell wall as a plant cell
shrivels Correct Ans-Plasmolysis
What type of diffusion requires help of transport proteins Correct Ans-Facilitated diffusion
What are proteins that transport ions called Correct Ans-Ion Channels
What type of transport requires cell energy Correct Ans-Active transport
, Bio 1404: Exam 2; Questions with Complete Solutions
What is the combination of the chemical and electrical forces that drives diffusion Correct
Ans-Electrochemical gradient
What is a transport protein that generates voltage across a membrane Correct Ans-
Electrogenic pump
A single ATP-powered pump that transports a specific solute can indirectly drive the active
transport of several other solutes is called what Correct Ans-Cotransport
What process secretes molecules by the fusion of vesicles with the plasma membrane
Correct Ans-Exocytosis
What process takes in molecules and matter by forming new vesicles Correct Ans-
Endocytosis
What are the three types of Endocytosis in animal cells Correct Ans-1) Phagocytosis -
Particles
2) Pinocytosis - Fluid droplets
What is the ability of a cell to gain or lose water Correct Ans-Tonicity
What occurs when a cell is placed in a solution with higher concentrated solutes Correct
Ans-Hypertonic - Cell loses water
What occurs when a cell is placed in a solution with lower concentrated solutes Correct
Ans-Hypotonic - Cell gains water
What happens when the plasma membrane pulls away from the cell wall as a plant cell
shrivels Correct Ans-Plasmolysis
What type of diffusion requires help of transport proteins Correct Ans-Facilitated diffusion
What are proteins that transport ions called Correct Ans-Ion Channels
What type of transport requires cell energy Correct Ans-Active transport
, Bio 1404: Exam 2; Questions with Complete Solutions
What is the combination of the chemical and electrical forces that drives diffusion Correct
Ans-Electrochemical gradient
What is a transport protein that generates voltage across a membrane Correct Ans-
Electrogenic pump
A single ATP-powered pump that transports a specific solute can indirectly drive the active
transport of several other solutes is called what Correct Ans-Cotransport
What process secretes molecules by the fusion of vesicles with the plasma membrane
Correct Ans-Exocytosis
What process takes in molecules and matter by forming new vesicles Correct Ans-
Endocytosis
What are the three types of Endocytosis in animal cells Correct Ans-1) Phagocytosis -
Particles
2) Pinocytosis - Fluid droplets
