Download 3.2 Cell Organelles

3.2 Cell Organelles
KEY CONCEPT Eukaryotic cells share many similarities.
3.2 Cell Organelles
Cells have an internal structure.
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
– supports and shapes cell
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
– supports and shapes cell
– helps position and transport organelles
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
– supports and shapes cell
– helps position and transport organelles
– provides strength
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
– supports and shapes cell
– helps position and transport organelles
– provides strength
– assists in cell division
3.2 Cell Organelles
Cells have an internal structure.
• The cytoskeleton has many functions.
– supports and shapes cell
– helps position and transport organelles
– provides strength
– assists in cell division
– aids in cell movement
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
• The nucleus stores genetic information.
– Nuclear membrane
--Nuclear pores
– Nucleolus
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
• The nucleus stores genetic information.
• Endoplasmic Reticulum – produce proteins & lipids.
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
• The nucleus stores genetic information.
• Endoplasmic Reticulum – produce proteins & lipids.
• There are two types of endoplasmic reticulum.
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
• The nucleus stores genetic information.
• Endoplasmic Reticulum – produce proteins & lipids.
• There are two types of endoplasmic reticulum.
– rough endoplasmic
reticulum
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins.
• The nucleus stores genetic information.
• Endoplasmic Reticulum – produce proteins & lipids
• There are two types of endoplasmic reticulum.
– rough endoplasmic
reticulum
– smooth endoplasmic
reticulum
*helps break down
drugs and alcohol
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins. (continued)
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins. (continued)
• Ribosomes – made of protein and RNA; assembled in
nucleolus
– link amino acids to form proteins.
3.2 Cell Organelles
Several organelles are involved in making and
processing proteins. (continued)
• Ribosomes – made of protein and RNA; assembled in
nucleolus
– link amino acids together to form proteins
• Vesicles are membrane-bound sacs that hold materials for
short pd of tim.
3.2 Cell Organelles
Other organelles have various functions.
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
• Vacuoles are fluid-filled sacs that hold materials for longer
pd of time.
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
• Vacuoles are fluid-filled sacs that hold materials.
• Lysosomes contain enzymes to digest material.
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
• Vacuoles are fluid-filled sacs that hold materials.
• Lysosomes contain enzymes to digest material.
• Centrioles are tubes found in the centrosomes – made of
microtubules
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
• Vacuoles are fluid-filled sacs that hold materials.
• Lysosomes contain enzymes to digest material.
• Centrioles are tubes found in the centrosomes – made of
microtubules.
– Centrioles help divide
DNA.
3.2 Cell Organelles
Other organelles have various functions.
• Mitochondria supply energy to the cell.
• Vacuoles are fluid-filled sacs that hold materials.
• Lysosomes contain enzymes to digest material.
• Centrioles are tubes found in the centrosomes – made of
microtubules.
– Centrioles help divide
DNA.
– Centrioles form cilia and
flagella.
3.2 Cell Organelles
GOLGI APPARATUS – stack of membranes
- makes, sorts, and delivers proteins
- contains enzymes that help alter
proteins if necessary to better function
3.2 Cell Organelles
Plant cells have cell walls and chloroplasts.
• A cell wall provides rigid support.
3.2 Cell Organelles
Plant cells have cell walls and chloroplasts.
• A cell wall provides rigid support.
• Chloroplasts convert solar energy to chemical energy.
3.2 Cell Organelles
Diversity of Cell Life
Multicellular They are interdependent
Organisms
– meaning they rely on
each other for their success
Much like the members of a
sports team
These organisms have
specialized cells
Much like physicians, they
have a specific job to do