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Cell Function And Structure
Test Description: The functions of the major cell structure and the main functions of the cell membrane and the cell wall.
Instructions: Answer all questions to get your test result.
1) Diffusion is the movement of particles from
A
an area of equilibrium to an area of high concentration
B
an area of low concentration to an area of high concentration
C
an area of high concentration to an area of low concentration
D
all of the above
2) The diffusion of water across a selectively permeable membrane is called
A
active transport.
B
osmosis.
C
facilitated diffusion.
D
osmotic pressure.
3) Which term refers to cells having different tasks in an organism?
A
multicellular
B
unicellular
C
cell specialization
D
levels of organization
4) Which of the following is an example of an organ?
A
nerve cell
B
digestive system
C
heart
D
epithelial tissue
5) A group of similar cells that perform a particular function is called a(an)
A
organ system.
B
organ.
C
tissue.
D
division of labor.
6) Eukaryotes contain structures that act as if they are specialized organs. Theses structures are called
A
cells.
B
organ systems.
C
organelles.
D
organs.
7) Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. This process is called
A
osmotic pressure.
B
diffusion
C
endocytosis
D
exocytosis
8) The cells in a multicellular organism have specific jobs. This is called cell
A
envelope.
B
membrane.
C
specialization.
D
wall.
9) The levels of organization in a multicellular organism are cells, tissues, _________, and organ systems.
A
all the above
B
organelles
C
organism
D
organ
10) Which statement is NOT part of the cell theory.
A
All cells come from existing cells.
B
All cells have a cell wall and a nucleus.
C
All living things are made up of cells.
D
Cells are the basic unit of life.
*select an answer for all questions
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