Chapter 7 Cell Structure And Function Question Preview (ID: 17055)


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Which is NOT a principle of cell theory?
a) Cells are the basic units of life.
b) All living things are made of cells.
c) Very few cells are able to reproduce.
d) All cells are produced from existing cells.

Which of the following is a function of the nucleus?
a) strores sugars
b) builds proteins
c) stores DNA
d) packages proteins

Which structure makes proteins using coded instructions that come from the nucleus?
a) Golgi apparatus
b) mitochondrion
c) vacuole
d) ribosome

Which structure modifies, sorts, and packages proteins and other materials for storage or release from the cell?
a) vacuole
b) Golgi apparatus
c) ribosome
d) mitochodrion

Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
a) chloroplast
b) Golgi apparatus
c) endoplasmic reticulum
d) mitochondrion

Which organelle would you expect to find in plant cells but not animal cells?
a) Golgi apparatus
b) smooth endoplasmic reticulum
c) mitochondrion
d) chloroplast

Unlike the cell membrane, the cell wall is
a) found in all organisms
b) a rigid structure
c) selectively permeable
d) composed of a lipid bilayer

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) carbohydrates
b) lipids
c) proteins
d) bilipids

During diffusion, molecules will move from an area of higher concentration to an area of lower concentration until ____________ is reached.
a) equilibrium
b) homeostasis
c) diffusion
d) active transport

The diffusion of water across a selectively permeable membrane is called
a) osmotic pressure
b) osmosis
c) pinocytosis
d) active transport

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