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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 method of transport that allows molecules to move into and out of the cell without energy from areas of high concentration to areas of low concentration is called...
passive transport
osmosis
active transport
pump
The movement of WATER across the cell membrane or any semi-permeable membrane through the use of aquaporins is described as _______.
osmosis
active transport
diffusion
neuron relay
When two solutions have the same solute concentration we would say that they are...
isotonic
hypertonic
hypotonic
solute
When comparing two solutions side by side, we call the solution that contains a lower solute concentration _______.
hypotonic
hypertonic
isotonic
solute
In ________________, a substance is being moved from areas of low concentration to high concentration.
active transport
passive transport
osmosis
diffusion
Moving from an area of high concentration to an area of low concentration would be considered what type(s) of transport?
Diffusion
Passive Transport
Active Trasport
Mosaic Transport
In all forms of passive transport,the molecules move down the concentration gradient from areas of ____________________ concentration.
They don't move
High to low
Low to High
Isotonic to Hypertonic
The ___ is the fundamental unit of life that specializes and joins others like it to form tissues in an organism, providing it with structure and giving it function
atom
cell
matter
all other answers are correct
If we were comparing a glass of pure water and a glass of salt water, we would say the glass of saltwater is the _____________ solution
hypotonic
hypertonic
isotonic
solvent
If a blood cell is placed in salt water, it will...
loose water and shrink
gain water and shrink
loose water and swell
gain water and swell
sodium potassium pump moves Na and K against the concentration gradient and uses energy; what is this?
active transport
passive transport
diffusion
osmosis
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels made of?
Proteins
Lipids
Carbohydrates
Bilipids
What type of transport requires the assistance of special transport proteins to help some molecules, like glucose, into the cell without the use of energy?
Facilitated Diffusion
Osmosis
Active Transport
Diffusion
The sodium potassium pump is an example of what type of transport?
Diffusion
Facilitated Diffusion
Active Transport
Passive Transport
Endocytosis and Exocytosis are both classified as what type of transport?
Active Transport
Passive Transport
Energy
Neutral Transport
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