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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
facilitated diffusion.
B
osmotic pressure.
C
osmosis.
D
active transport.
3) Which term refers to cells having different tasks in an organism?
A
multicellular
B
levels of organization
C
unicellular
D
cell specialization
4) Which of the following is an example of an organ?
A
heart
B
nerve cell
C
digestive system
D
epithelial tissue
5) A group of similar cells that perform a particular function is called a(an)
A
organ system.
B
organ.
C
division of labor.
D
tissue.
6) Eukaryotes contain structures that act as if they are specialized organs. Theses structures are called
A
organs.
B
cells.
C
organelles.
D
organ systems.
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
diffusion
B
osmotic pressure.
C
exocytosis
D
endocytosis
8) The cells in a multicellular organism have specific jobs. This is called cell
A
specialization.
B
wall.
C
envelope.
D
membrane.
9) The levels of organization in a multicellular organism are cells, tissues, _________, and organ systems.
A
organ
B
organism
C
all the above
D
organelles
10) Which statement is NOT part of the cell theory.
A
All living things are made up of cells.
B
Cells are the basic unit of life.
C
All cells have a cell wall and a nucleus.
D
All cells come from existing cells.
*select an answer for all questions
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