
Passive transport is the movement of substances through the cell membrane only by using the cell’s energy.
True
False
Diffusion of water molecules only through a membrane is called?
Semipermeable cell membranes
Osmosis
Diffusion
dynamic equilibrium
Diffusion continues until the concentration of a substance is the same on both sides of the membrane. The substance is then in ______________.
dynamic equilibrium
semipermeable cell membranes
osmosis
diffusion
What is called when a process during which a cell takes in a substance by surrounding it with the cell membrane using cell energy? Hint: Choose the BEST answer.
Endocytosis
Diffusion
Exocytosis
Active transport
Process during which a cell’s vesicles release their contents outside the cell.
Osmosis
Diffusion
Endocytosis
Exocytosis
Small molecules, such as oxygen and carbon dioxide, pass through membranes via active transport.
True
False
Which organisms carry out all life processes, including responding to the environment, getting rid of waste, growing, and reproducing, within one cell?
Unicellular organisms
Multicellular organisms
Tissue
Eukaryotic cell
Semipermeable cell membranes do not allow water to pass through.
True
False
Diffusion is the movement of substances from an area of higher concentration to an area of lower concentration.
True
False
Diffusion is the movement of substances from an area of higher concentration to an area of lower concentration.
True
False
Active transport is the movement of a substance through a cell membrane only by using the cell’s energy.
True
False
Photosynthesis is a series of chemical reactions that convert light energy, water, and CO2 into the food-energy molecule glucose and give off oxygen.
True
False
The chemical reactions of photosynthesis are powered by wind energy.
True
False
In the chloroplasts of plants, pigments such as chlorophyll absorb light energy
True
False
Chlorophyll absorbs all colors except green light, which is reflected as the green color in leaves.
True
False