Chapter 4
Review
Vocabulary
 A plant cell differs from an animal
cell because it has a _______
outside of the cell membrane.
 Cell Wall
Vocabulary
 The basic unit of structure and
function for all living things is the
_________.
 Cell
Vocabulary
 The chlorophyll in a ____ gives a
plant its green color?
 Chloroplast
Vocabulary
 Cell activities, including division,
are controlled by information in
the cell’s ________.
 Nucleus
Vocabulary
 A set of statements called the
_______ describe the basic
concepts about cells.
 Cell theory
Vocabulary
 The group of tissues that works
together to perform a special
function is called an ________.
 Organ
Vocabulary
 The living material in the cell,
excluding the nucleus, is called
________.
 Cytoplasm
Vocabulary
 In plants, sun energy is used to
make food by the compound
__________.
 Chlorophyll
Vocabulary
 Specialized cells organized to
perform a certain function are
called __________.
 Tissues
Vocabulary
 The thin outer covering, or the
_________, controls what enters
and exits cells.
 Cell membrane
Vocabulary
 The tiny, special parts of the cell
that carry out life processes are
called ________.
 Organelles
Check Your Knowledge
 Explain the statement “some
cells are specialized”
 Different types of cells perform
specific functions for an
organism.
Check Your Knowledge
 What is one purpose of the cell
membrane?
 The cell membrane protects the
inside of the cell, gives it shape,
and helps control materials
entering and leaving.
Check Your Knowledge
 Where in a cell is the cellulose
located?
 Cellulose is located in the cell
wall.
Check Your Knowledge
 List the statements in the cell
theory.
 All living things are made up of
cells. Cells are the basic units of
structure and function in living
things. All cells come only from
other living cells.
Check Your Knowledge
 List two organelles and their
functions.
 Mitochondria-energy source.
Ribosomes- proteins makers.
Vacuoles- food and water
storage. Golgi Bodies- package
materials. Lysosomes- break
down materials. Endoplasmic
Reticulum- transports materials.
Chloroplasts- energy source in
plant cells. Cell wall- protects
plant cells. Cell membrane- see
previous slide.
Check Your Knowledge
 How did the term “cell” originate?
 Cell is the Latin word for “little
room”.
Complete the Sentence
 The unit of structure for living
things is __________.
 Cell
Finish the Sentence
 Digestive chemicals in ________
break down food, wastes, and
old cell parts.
 Lysosomes
Finish the Sentence
 The _______ protects cells, and
controls movement of materials
in and out.
 Cell membrane
Finish the Sentence
 The cell theory states cells come
only from __________.
 Living cells
Finish the Sentence
 To grow skin cells in a laboratory,
scientists must provide the cells
with the same _____ as as a
normal skin cell.
 Environment
Finish the Sentence
 The first person to observe living
cells was probably ______.
 van Leeuwenhoek
Finish the Sentence
 The cell powerhouses are the
_________.
 Mitochondria
Finish the Sentence
 Your heart is an example of an
_______.
 Organ
Finish the Sentence
 The cell’s information center is
the _________.
 Nucleus
Check Your Understanding
 Where is DNA found in a cell?
 The nucleus
Check Your Understanding
 What organs make up the
circulatory system?
 Heart, blood, and a network of
blood vessels.
Check Your Understanding
 What was an important event
that led to the development of the
cell theory?
 Robert Hooke made microscopes
that had two lenses in a metal
tube.
Check Your Understanding
 What is the process of growing
cells in the laboratory called?
 Culturing
Check Your Understanding
 What is a disadvantage of using
TEM microscopes to view living
cells?
 TEM electron beams produce a
vacuum.
Check Your Understanding
 What electronic device can help
regulate a person’s heart beat if it
is too slow or uneven?
 Pacemaker
Check Your Understanding
 What are the three types of
muscle in the human body?
 Smooth, muscle, and cardiac
Check Your Knowledge
 What is homeostasis?
 Homeostasis- ability of a cell to
maintain a stable internal
environment.