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Chapter 7 Cell Structure And Function
Test Description: Part 2 of 3
Instructions: Answer all questions to get your test result.
1) Which is NOT a principle of cell theory?
A
All cells are produced from existing cells.
B
Very few cells are able to reproduce.
C
Cells are the basic units of life.
D
All living things are made of cells.
2) Which of the following is a function of the nucleus?
A
packages proteins
B
builds proteins
C
stores DNA
D
strores sugars
3) Which structure makes proteins using coded instructions that come from the nucleus?
A
vacuole
B
mitochondrion
C
Golgi apparatus
D
ribosome
4) Which structure modifies, sorts, and packages proteins and other materials for storage or release from the cell?
A
mitochodrion
B
Golgi apparatus
C
vacuole
D
ribosome
5) Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
A
endoplasmic reticulum
B
Golgi apparatus
C
mitochondrion
D
chloroplast
6) Which organelle would you expect to find in plant cells but not animal cells?
A
smooth endoplasmic reticulum
B
Golgi apparatus
C
chloroplast
D
mitochondrion
7) Unlike the cell membrane, the cell wall is
A
selectively permeable
B
found in all organisms
C
composed of a lipid bilayer
D
a rigid structure
8) The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
A
proteins
B
carbohydrates
C
bilipids
D
lipids
9) During diffusion, molecules will move from an area of higher concentration to an area of lower concentration until ____________ is reached.
A
equilibrium
B
active transport
C
homeostasis
D
diffusion
10) The diffusion of water across a selectively permeable membrane is called
A
osmosis
B
pinocytosis
C
active transport
D
osmotic pressure
*select an answer for all questions
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