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Cell Test Review #3
Test Description: Cell Test Review #3
Instructions: Answer all questions to get your test result.
1) Human blood cells __________.
A
have a nucleus
B
have long branching arms to carry oxygen throughout the body
C
are small and circular to carry oxygen throughout the body
D
expand and contract to make bones move
2) Muscle cells ___________. They are constantly working (using a lot of energy) so they need more ______________________ than other types of cells.
A
are small and circular because they need a lot of oxygen, nuclei
B
have long branching arms to help contract and extend to move bones, mitochondria
C
are long and skinny to help contract and extend to move bones, mitochondria
D
are long and skinny to send and receive messages quickly, ribosomes
3) What is osmosis?
A
A process by which water molecules move from high concentration to low concentration across a membran.
B
A process that requires cells to use energy to transport molecules across the cell membrane.
C
A process by which any molecules move from low concentration to high concentration.
D
A state of equilibrium
4) When perfume is sprayed in a room, the scent eventually spreads throughout the room. The process by which the scent spreads is called:
A
active transport
B
diffusion
C
equilibrium
D
osmosis
5) During photosynthesis, oxygen is produced as a waste product. These oxygen molecules are small enough to fit through the cell membrane, so as a result of ___________________, it moves from high concentration inside the cells to low concentratio
A
exocytosis
B
osmosis
C
active transport
D
diffusion
6) Which type of cell division produces sex cells?
A
Meoisis
B
Cytokenesis
C
Interphase
D
Mitosis
7) When a sea urchin egg is removed from the salty ocean water and placed into freshwater, the egg swells and bursts. Which process explains why this occurs?
A
active transport
B
diffusion
C
endocytosis
D
osmosis
8) Cabbage juice normally is purple, but turns green when in contact with vinegar. We fill a packet of dialysis tubing with vinegar and place it in a beaker of cabbage juice, after 10 minutes, the cabbage juice in the beaker turns green. Which of the
A
dialysis tubing is not selectively permeable because the vinegar did not move.
B
energy was added to the system to move the vinegar from low to high concentration.
C
vinegar moved into the dialysis tubing.
D
vinegar diffused out of the bag into the beaker.
9) Active transport always requires:
A
energy
B
osmosis
C
water
D
equilibrium
10) Selective permeability is:
A
the movement of water molecules across a cell membrane.
B
a measure of how crowded molecules are in a given area.
C
a property that allows some materials to pass through while keeping others outside.
D
a state in which molecules are evenly distributed in an area.
*select an answer for all questions
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