The amount of particles in a given space.
  • diffusion
  • concentration
  • permeable
  • active transport
When the concentration of particles inside of a cell is the same as the concentration of particles outside of the cell. 
  • active transport
  • concentration
  • diffusion
  • equilibrium
The process where only water is allowed to pass through the cell membrane from a high to low concentration.
  • meiosis
  • respiration
  • diffusion
  • osmosis
The movement of molecules from an area of high concentration to an area of low concentration.
  • Osmosis
  • Respiration
  • Diffusion
  • Active Transport
Cells use energy to move materials across a membrane (low to high concentration).
  • Active transport
  • Passive transport
  • Diffusion
  • Osmosis
Cells transport material across a cell membrane without using energy (high to low concentration)
  • Passive transport
  • Concentration
  • Endocytosis
  • Active Transport
Cell membrane surrounds a particle and encloses it (for large particles)
  • Endocytosis
  • Exocytosis
  • Permeable
  • In high concentration
Particles are removed from a cell (pushed out).
  • Endocytosis
  • Exocytosis
  • Permeable
  • In high concentration
A cell membrane has pores that allow certain materials to pass through. This is a type of cell membrane.
  • Permeable
  • In high concentration
  • At equilibrium
  • In low concentration
Which of the following is an example of osmosis?
  • Oxygen exiting leaves after photosynthesis
  • A raisin swelling in a cup of water
  • Water changing from a liquid to a gas
  • Oxygen moving into an animal cell
Movement of particles from high to low concentration. 
sc-5 sb-1-Cell Transportimg_no 134.jpg
  • Passive Transport
  • Active Transport
Osmosis is a form of ______________. 
  • Passive Transport
  • Active Transport
Solutes move with the concentration gradient, therefore no energy is used. 
  • Passive Transport
  • Active Transport
Movement of materials from high to low concentration through a protein channel. 
sc-5 sb-1-Cell Transportimg_no 135.jpg
  • Passive Transport
  • Active Transport
ATP is a form of energy.
sc-5 sb-1-Cell Transportimg_no 136.jpg
  • Passive Transport
  • Active Transport
Low to High
  • Passive Transport
  • Active Transport
Solutes move against the concentration gradient, therefore energy is needed. 
  • Passive Transport
  • Active Transport
Uses ATP (energy)
  • Passive Transport
  • Active Transport
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
  • Diffusion
  • Osmosis
  • Active Transport
  • Facilitated Diffusion
Endocytosis
  • Passive Transport
  • Active Transport
Exocytosis
  • Passive Transport
  • Active Transport
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
  • passive transport by diffusion
  • active transport using ATP 
  • passive transport by osmosis
  •  osmosis
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred?
  • The swollen gums have absorbed the saltwater solution.
  • The saltwater solution lowers the temperature of the water in the gums.
  • The salt in the solution has moved against the concentration gradient.
  • The water in the gums has moved out due to the high concentration of salt in the solution. 
The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called
  • perforated
  • semi-permeable
  • non-conducive
  • permeable
 Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane? 
sc-9 sb-1-Cell Transportimg_no 253.jpg
  • simple osmosis
  • active transport
  • simple diffusion
  • facilitated diffusion
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?
sc-9 sb-1-Cell Transportimg_no 254.jpg
  • active transport
  • passive transport
  • facilitated diffusion
  • co-transport
 In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will not. Which structure in the leaf cell is responsible for this difference?
  • cell membrane
  • cell wall
  •  mitochondrion
  • nucleus
The diagram below represents a cell and some molecules in its environment. Which molecule would require the use of energy in order to be brought into the cell?
sc-9 sb-1-Cell Transportimg_no 255.jpg
  • 1
  • 2
  • 3
  • 4
Which activity can occur without the use of energy?
  • contraction of muscle tissue
  • protein synthesis in a cell
  • active transport of minerals
  • movement of water across a membrane
The diffusion of water across a selectively permeable membrane is called 
  • active transport
  • facilitated diffusion
  • osmosis
  • phagocytosis
During diffusion molecules tend to move 
  •    up the concentration gradient
  •  from an area of lower concentration to an area of higher concentration
  •  in a direction that doesn’t depend on concentration
  •  down the concentration gradient
This picture represents what type of cell transport?
sc-7 sb-9-Cell Transportimg_no 210.jpg
  • endocytosis
  • exocytosis
  • osmosis
  • passive transport
Which is true about active transport?
  • It requires energy
  • it does not require energy
  • It moves substances down the concentration gradient
  • it moves material from high to low concentration
The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...
  • Facilitated Diffusion
  • Simple Diffusion
  • Active Transport
  • Osmosis
Molecules diffusing with the concentration gradient through a protein channel is...
  • Facilitated Diffusion
  • Simple Diffusion
  • Active Transport
  • Osmosis
In a nerve cell, ATP energy is used to pump sodium (Na) out of the cell and potassium (K) into the cell. This is an example of...
  • Facilitated Diffusion
  • Simple Diffusion
  • Active Transport
  • Osmosis
Food is moved into the cell by ________________________.
  • endocytosis
  • diffusion
  • exocytosis
  • osmosis
This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
  • vacuole
  • nucleus
  • cell membrane
  • cell wall
The cell below is in a _________ solution.
sc-7 sb-9-Cell Transportimg_no 211.jpg
  • Hypotonic
  • Hypertonic
  • Isotonic
The cell below is in a _____________ solution.
sc-7 sb-9-Cell Transportimg_no 212.jpg
  • Hypertonic
  • Hypotonic
  • Isotonic
A cell in an isotonic solution will
  • swell
  • shrink
  • stay the same size
  • impossible to tell
When a cell is placed in a hypertonic solution water
  • moves from the inside of the cell to the solution
  • moves from the solution to the inside of the cell
  • moves equally in and out of the cell
  • none of these
During pinocytosis, the cell takes in liquids. 
  • True
  • False
What type of transport is this?
sc-7 sb-9-Cell Transportimg_no 213.jpg
  • facilitated diffusion
  • active transport
  • diffusion
  • osmosis
Active transport requires ______, moves materials from __________________, and goes _______ the concentration gradient.
  • No energy, low to high, against
  • ATP, high to low, with
  • ATP, low to high, with
  • ATP, low to high, against
A cell will __________________ in a hypotonic solution.
  • swell and perhaps burst (lyse)
  • shrink
  • the size of the cell will not change
  • the size of the cell will change from large to small and from small to large
The difference in the concentration of a substance from one location to another is called 
  • diffusion
  • osmosis
  • concentration gradient
  • passive transport
A molecule that diffuses down a concentration gradient goes from an area of ______ concentration into an area of ______ concentration.
  • high, low
  • low, high
  • passive, active
  • active, passive
Two examples of passive transport are
  • Earth and Sun
  • Diffusion and Osmosis
  • Energy and Wind
  • None of the above
What is homeostasis?
  • How the body releases oxygen
  • Passive transportation 
  • How the body regulates itself for survival
  • Active transport
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