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Transcript
Standard 2: CELL BIOLOGY – REVIEW OF BASICS
CELL PART OR
ORGANELLE
plasma/cell
membrane
TYPE OF CELL
Prokaryotic cell
Eukaryotic cell
Both
WHERE FOUND
Plant cell
Animal cell
Both
WHAT DOES IT
LOOK LIKE:
Describe or Draw
See diagram
both
cytoplasm
both
both
both
nucleus
eukaryotic
both
ribosome
both
both
Golgi complex
/apparatus
eukaryotic
both
Clear thick jellylike material in cell
See diagram
See diagram
See diagram
lysosome
eukaryotic
animal
vacuole
eukaryotic
both
Membrane-bound
sac of digestive
enzymes
Membrane-bound
storage area
endoplasmic
reticulum
eukaryotic
both
mitochondria
eukaryotic
both
chloroplast
eukaryotic
plant
cell wall
Some pro- and
some eukaryotic
plant (also fungi
and some bacteria)
plastid
eukaryotic
plant
centrioles
eukaryotic
animal
FUNCTION:
Job it does in
the cell
Holds cell together
Regulates what goes
in/out of cell
Supports/protects
cell organelles
Control center
Contains DNA
Where proteins are
made
Process proteins
that go to other
parts of cell
Digests materials
within the cell
MISCELLANEOUS
INFORMATION: things
such as color, what it is
made of, size, etc.
Phospholipid bilayer with
proteins
Semipermeable
Stores water, food,
waste and dissolved
minerals
One large one in plants
Many smaller ones in
animals
Network of
membrane tubes
Transport materials
throughout the cell
Can be rough (with
ribosomes attached) or
smooth (without ribosomes)
See diagram
Where cell respiration
occurs (releases
energy for cell to use)
Called Powerhouse of cell
Makes ATP from
breaking down glucose
See diagram
Where photosynthesis
takes place
Contains chlorophyll
Converts light energy into
chemical energy in glucose
Rigid structure
outside of cell
membrane
Rigid Provides
shape and support
Bundles of
microtubules
Produces spindle
fibers for cell division
Made of cellulose in
plants
Permeable
Stores starch and non- Pigments give fruits and
green pigments
flowers their color
AN IDEALIZED ANIMAL CELL
Source: http://eclipse.pagecounty.k12.va.us/lyoder/bioch719.jpg
PROKARYOTIC CELLS
Simple
No nucleus or membrane-bound organelles
Source : http://bomi.ou.edu/bot1114/botany10/lab/cells/acell2.gif
EUKARYOTIC CELLS
Contain ribosomes
Complex
Contain nucleus and membrane-bound organelles (mitochondria,
lysosomes, vacuoles, ER, chloroplasts, Golgi complex)
Contain ribosomes
Bacteria and archaebacteria
Protists, fungi, plants and animals
MITOSIS
Produces new cells for growth and repair
Produces 2 new cells with same number of chromosomes as original
cell
One cell division
MEIOSIS
Produces egg and sperm cells
Only occurs in ovaries and testes
Produces 4 new cells with half the chromosome number of original
cell
Two cell divisions
After Meiosis:
Egg + sperm = zygote/fertilized cell (with full chromosome number)
CELL CYCLE
 Cytokinesis
during and after
Telophase
G1+S+ G2 = INERPAHSE
VIRUS: Considered non-living since it cannot reproduce on its own.
It can only reproduce when it takes over the host cell resources and machinery
DIFFUSION
OSMOSIS
ACTIVE TRANSPORT
Movement of molecules with the
concentration gradient (from higher to lower
concentration to balance out)
Movement of water through semi-permeable
membrane with concentration gradient
No energy needed
No energy needed
EQUATION FOR PHOTOSYNTHESIS
carbon dioxide + water  glucose + oxygen
6CO2
+ 6H2O  C6H12O6 + 6O2
Converts light energy into chemical bond energy in
glucose
Moves materials across a membrane against
the concentration gradient (from lower to
higher concentration like stuffing more in
where there already a lot)
Requires energy
EQUATION FOR RESPIRATION
Glucose + Oxygen  Carbon Dioxide + Water + Energy
C6H12O6 + 6O2

6CO2
+ 6H2O + ATP
Release energy in glucose into energy that can be used by
the cell (ATP)