Transport Review

Which process requires cellular energy?

• diffusion

• passive transport

• active transport

• osmosis

Which process accomplishes the movement of gases illustrated by the arrows in the diagram?

• transpiration

• diffusion

• osmosis

• active transport

The diagrams represents the change that occured after fluid was added to a wet mount of some elodea leaf cells. What fluid most likely caused the change in appearance?

• salt water

• tap water

• spring water

• iodine

The flow of materials through a membrane of a cell against the concentration gradient is known as ......

• active transport

• passive transport

• circulation

• respiration

If there is more salt outside the cell, the cell will ....

• stay the same

• add water and increase in size

• lose water and get smaller

• excrete salt and get smaller

Transport can be described as a process that ...

• results in the formation of small, soluble molecules

• always requires energy (ATP)

• uses sun light (radiant energy) for help

• involves the absorption of materials into a cell

A red blood cell is placed into distilled water. As a result, it will swell and burst due to the diffusion of ...

• salt from the red blood cell into the water

• water into the red blood cell

• water from the blood cell to its environment

• salt from the water into the red blood cell

in a cell, the selective permeability of the cell membrane is most closely associated with the maintenance of ...

• homeostasis

• respiration

• photosynthesis

• transport

Which process would include a net movement of sugar molecules through a membrane from a region of lower concentration to a region of a higher concentration/

• osmosis

• diffusion

• passive transport

• active transport

Base your answer on the following diagram. Molecule C would exit the cell by ....

• diffusion

• osmosis

• passive transport

• active transport