Download Cell Theory - stephen fleenor

Warm-Up
Answer the following questions in complete sentences.
By which process is the carbon in dead organisms
released into the atmosphere?
Carbon in dead organisms is released into the atmosphere by…
What is the difference in the function between lipids
and carbohydrates?
The difference in function between lipids and carbohydrates is…
By which process is the carbon in dead organisms
released into the atmosphere?
1.
2.
3.
4.
Dehydration synthesis
Cellular combustion
Cellular respiration in decomposers
Photosynthetic decomposition
What is the difference in the function between lipids
and carbohydrates?
1.
2.
3.
4.
lipids comprise starch and carbohydrates make up fatty
foods
lipids provide long-term energy and carbohydrates provide
short-term energy
lipids are found in decomposers and carbohydrates are
found in plants
lipids provide structure to the cell and carbohydrates
provide genetic information
Cell Theory
UNIT
4
Cell Theory
Watch the video, then answer the following question below in a
complete sentence:
https://www.youtube.com/watch?v=yKW4F0Nu-UY
Describe one “machine” you see moving
around the cell. What is it doing?
One machine looks like… and it is…
UNIT
4
Cell Theory
• Robert Hooke discovered the
first cells using a microscope.
UNIT
4
Cell Theory
• Robert Hooke discovered the
first cells using a microscope.
• Anton van Leeuwenhoek
discovered the first living, moving
cells using a microscope.
UNIT
4
Cell Theory
• Robert Hooke discovered the
first cells using a microscope.
• Anton van Leeuwenhoek
discovered the first living, moving
cells using a microscope.
• Cell Theory:
 All life has one or more cells
UNIT
4
Cell Theory
• Robert Hooke discovered the
first cells using a microscope.
• Anton van Leeuwenhoek
discovered the first living, moving
cells using a microscope.
• Cell Theory:
 All life has one or more cells
 Cells are the smallest unit of
life
UNIT
4
UNIT
Cell Theory
• Robert Hooke discovered the
first cells using a microscope.
• Anton van Leeuwenhoek
discovered the first living, moving
cells using a microscope.
• Cell Theory:
 All life has one or more cells
 Cells are the smallest unit of
life
 New cells are made through
division of an old cell.
4
new cell
old cell
old cell
time
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
UNIT
4
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
• All cells contain:
 DNA (information to make
“machines”)
UNIT
4
DNA
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
• All cells contain:
 DNA (information to make
“machines”)
 A cell membrane (border
where waste/nutrients are
exchanged)
UNIT
cell
membrane
4
DNA
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
• All cells contain:
 DNA (information to make
“machines”)
 A cell membrane (border
where waste/nutrients are
exchanged)
 Cytoplasm (watery gel filling
up the cell)
UNIT
cytoplasm
cell
membrane
4
DNA
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
• All cells contain:
 DNA (information to make
“machines”)
 A cell membrane (border
where waste/nutrients are
exchanged)
 Cytoplasm (watery gel filling
up the cell)
 Ribosomes (make proteins)
UNIT
cytoplasm
cell
membrane
4
DNA
ribosome
Cell Theory
• Bacteria are called “prokaryotic”
and are the most basic cells.
• All cells contain:
 DNA (information to make
“machines”)
 A cell membrane (border
where waste/nutrients are
exchanged)
 Cytoplasm (watery gel filling
up the cell)
 Ribosomes (make proteins)
 Proteins (“machines” that do
the cell’s work)
UNIT
cytoplasm
cell
membrane
4
protein
(“machine”)
DNA
ribosome
Turn-And-Talk
With a partner, answer the following
questions out loud in complete sentences:
•
•
•
•
•
•
What provides the cell with the information to make proteins?
Information to make proteins in the cell is provided by…
What “machines” are responsible for performing most of a
cell’s function?
The machines responsible for performing most of the cell’s function
are…
What is the boundary surrounding the cell?
The boundary surrounding the cell is…
How does a new cell get made?
A new cell gets made by…
What is the watery solution that fills up the cell called?
The watery solution that fills up the cell is the…
Which is bigger: a cell or an organ? How do you know?
A ___________ is bigger than a __________ because…
UNIT
4
Closure
Answer the following question in a
complete sentence:
Describe the difference between Hooke’s and van
Leeuwenhoek’s discoveries.
Suggested sentence stem:
Hooke discovered…, whereas van
Leeuwenhoek discovered…
Name/Nombre
Date/Fecha
Period ____