20 questions
Active transport is different from passive transport in that active transport involves:
the movement of molecules from high concentration to low concentration
an expenditure of energy
the use of ribosomes
a process which occurs only in the cells of simple plants and animals
The process of osmosis is best illustrated by the movement of:
water into root hair cells
oxygen into red blood cells
carbon dioxide through stomates
glucose through phloem
Which process requires cellular energy to move molecules across the cellular membrane from a region of low concentration to a region of higher concentration?
active transport
diffusion
osmosis
hydrolysis
A biologist diluted a blood sample with distilled water. While observing the sample under a microscope, she noticed the blood cells burst. This bursting is most likely caused by which process?
staining
ingestion
osmosis
active transport
There are three different red blood cell suspensions. Which suspensions, when viewed under microscope, would contain red blood cells that appear wrinkled and reduced in volume?
Solution A
Solution B
Solution C
Which process requires the expenditure of cellular energy?
passive transport
active transport
osmosis
diffusion
Which process does not require the use of cellular energy to transport materials into or out of a cell?
cellular respiration
active transport
passive transport
vacuole
Which of the following processes relies on the difference in concentrations (concentration gradient) to move materials across a semi-permeable membrane?
passive transport
active transport
Which of the following are examples of passive transport? (Select all that apply)
osmosis
diffusion
endocytosis
exocytosis
Which of the following are examples of active transport? (Select all that apply)
osmosis
diffusion
endocytosis
exocytosis