Uploaded by cresencioventura11


Eukaryotic Cells
Prokaryotic Cells
Cell Theory
Cells are the basic units of living
 The cell theory states that:
 All
living things are made of one or more cells.
 Cells are the basic unit of structure and
function in living things.
 All cells come from other cells.
Cell Types
Two categories:
1. Cell that have
membrane-bound organelles
Called Eukaryotic Cells
2. Cells that do not have
membrane-bound organelles
called prokaryotic cells
 Unicellular organisms such as
bacteria are examples of
Cell Types
Eukaryotic cells Cells
that contain organelles which are held together
by membranes
 Examples include plant and animal cells.
Eukaryotic Cell Structure
The plasma
 the flexible boundary of a
 separates a cell from its
Plasma Membrane/Cell Membrane
allows nutrients to enter the cell and waste
to be removed
 This
is referred to as selective permeability.
*(Selective=Chooses, Permeability=filter through)*
keeping a healthy balance of nutrients and
water within the cell is called homeostasis
Overview of Organelles
Nucleus Largest
organelle in the cell and it is the most inner
compartment of the cell
 contains chromatin (DNA); genetic information on
strands called chromosomes
 “control center” for cell metabolism and reproduction
Chromatin- Directions on how to make proteins
Nucleolus- Found inside nucleus; ribosomes are
made here
Overview Cont’d
Ribosomes- make proteins (made up of RNA and protein);
thought of as “factories”
clear gel like fluid inside the cell, which suspends
all organelles
Endoplasmic Reticulum- extensive network of
 Rough
ER: with ribosomes
 Smooth ER: with no visible ribosomes
Golgi Apparatus- sorts proteins made by the ribosomes
and sends them to needed places in the cell
Lysosomes- organelles that are filled with digestive
enzymes to remove waste and invading bacteria
Mitochondria- often referred to as the “powerhouse” of
the cell
release energy for the cell
It converts the energy stored in glucose into ATP for the cell
Vacuoles- fluid filled organelles enclosed by a
Store materials such as food, sugar, water, and waste products
Eukaryotic plant cell
Plant cells are also Eukaryotic cells, but plant
cells contain some organelles that are not found
in animal cells.
Plant Cell Organelles
Cell wall- rigid wall outside the plasma membrane. It
provides the cell with extra support.
Chloroplasts- captures light and energy; and
converts it into chemical energy.
Chlorophyll- green pigment found inside the
Plastids- organelles that store things such as food in
the plant cell.
Poster project
Create a 3 part poster comparing and
contrasting the structures/organelles of
each cell (prokaryotic, animal and plant)
 Identify
the shape of each cell
 Identify the structure and function of
each organelle in the eukaryotic cells
 Point out differences between organelles
in the plant and animal cell
Poster example 1:
Poster example 2:
Bacterial cell
Animal cell
Plant cell