1. Locate your Final Exam
Study Guide and laptop.
Today’s Goal:
• Reinforce the nature of Biology, chemistry of
life and cellular structure and function.
Ch. 1 Biology in the 21st Century
biodiversity
scientific method
independent variable
dependent variable
characteristics of life
homeostasis
Ch. 2 Chemistry of Life
Describe the properties of water
4 compound that make up life.
Know their monomers
 Enzymes and chemical reactions
What is the purpose
of an enzyme?
Examples of nucleic acids include
A.
B.
C.
D.
sugars and starches
DNA and RNA
amino acids and fatty acids
fats and proteins
Which of the following is not
normally a function of proteins
in healthy cells?
A. long-term energy storage
B. functioning as enzymes
C. a component of cell
membranes
Which of the following is an
example of an organic chemical
compound?
A.
B.
C.
D.
carbon dioxide, CO2
sufur trioxide, SO3
sodium chloride, NaCl
glucose, C6H12O6
Ch. 3 Cell Structure and Function
3 parts of the cell theory
Identify the structure and function of
organelles in both plant and animal cells
Cell Membrane = homeostasis
Active vs Passive
Osmosis vs diffusion
What are the two basic
types of cells?
Prokaryotes and Eukaryotes
Prokaryotic or Eukaryotic?
Prokaryotic or Eukaryotic?
Prokaryotic or Eukaryotic?
Plant Cell or Animal Cell?
Prokaryotic or Eukaryotic?
Plant Cell or Animal Cell?
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
T or F. All cells have a nucleus.
Present your answers!
False
What is the name of the
membrane that surrounds
the nucleus?
Nuclear envelope or
membrane
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
What do ribosomes do for
the cell?
Make proteins
What does the ER do for the cell?
Rough – modifies proteins
Smooth – makes lipids and
breaks down drugs and alcohol
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
What does the Golgi apparatus do
for the cell?
Processes and packages
proteins for export
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
What is the function of the
mitochondria?
Present your answers!
To make energy (the power
plant of the cell)
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
What do chloroplasts do for the
cell?
Convert energy from sunlight
to chemical or food energy;
perform photosynthesis
Do animal cells have
chloroplasts?
Present your answers!
No
Name the
Organelle?
Outside the Cell
Found in Plant Cells,
Animal Cells or Both?
Inside the Cell
The plasma membrane is made up
of two layers of
______________.
Phospholipids
Scientists call the model they
have developed to represent the
structure of the plasma membrane
the ______ ________ model.
Fluid Mosaic
What does it mean to be
selectively permeable?
To choose what goes in
and what doesn’t
T or F. All cells have
cell membranes.
True
Name the
Organelle?
Inside the Cell
Enlarged
Found in Plant
Cells, Animal
Cells or Both?
Outside the Cell
T or F. All cells have a cell
wall.
False – animal cells do not.
Name the
Organelle?
Found in Plant Cells,
Animal Cells or Both?
Name the
Organelle?
Found in
Plant Cells,
Animal Cells
or Both?
What is the function of a
lysosome?
To digest or break down food,
old organelles, or other waste
What type of molecules are inside
lysosomes? (These molecules are
what make the breaking down
happen.)
Enzymes
Animal, Plant, or Both:
Ribosomes
Present your answers!
Both
Name the
Organelle?
?
Found in Plant
Cells, Animal
Cells or Both?
T or F. All cells have cytoplasm.
Present your answers!
True
What is
it?
DNA
T or F. All cells have
DNA.
True
List the three parts of the Cell
Theory.
1. All living things are made of cells.
2. Cells are the basic units of life.
3. All cells come from pre-existing cells.