Eukaryotic Cell Structure 7.3. Just like on a sports team or in an office, cells are composed of many important people/organelles that each fulfill a.

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Eukaryotic Cell Structure

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Presentation transcript:

Eukaryotic Cell Structure 7.3

Just like on a sports team or in an office, cells are composed of many important people/organelles that each fulfill a different role!!! I give you “The Cell Song”…

Snack factory assembly line activity ???

I. Cellular Boundaries A.Cell Wall 1. _______ barrier that provides support and protection 2. _________ the plasma membrane 3. Found mostly in plants (and some bacteria)

II. Cell Control A.__________ 1. Control center a. Contains blueprints to make proteins (DNA) b. The other organelles depend on specific proteins to do ____________

II. Cell Control 2. Contains ________ (DNA) which gives instructions for making __________

II. Cell Control B. Nucleolus 1. Makes __________ C. Ribosomes 1. Not bound by membranes 2. Leaves nucleus to make ________ in the cytoplasm

II. Cell Control D. ___________ 1. Clear, gelatinous fluid that contains all of the organelles except the ___________

Let’s continue to follow the trail of the protein!!

III. Assembly, Transport & Storage A._________________ (ER) 1. Rough ER—Ribosomes make proteins here 2. Smooth ER—The proteins undergo chemical reactions a. ________ & storage of lipids

III. Assembly, Transport & Storage 3. The ER is a highly _____ membrane a. Allows for a lot of work to be done in a small amount of space

III. Assembly, Transport & Storage B. ____________________ 1. Sorts proteins into packages called vesicles (A.K.A. The Post Office) 2. Sends _________ to the appropriate destination in the cell 4. Looks like a pancake stack & syrup drops (vesicles)

III. Assembly, Transport & Storage C. ___________ 1. Temporary storage of materials in the cell a. food b. __________ c. water d. ________________

III. Assembly, Transport & Storage 2. Animal cells usually do NOT have _______. If so, they are very small. 3. Plant cells usually have one ______ vacuole.

III. Assembly, Transport & Storage D. __________ 1. Digest worn out cell parts, food particles, viruses, etc. 2. Lysosomes contain enzymes a. The membrane around the lysosome protects the rest of the cell from being __________.

III. Assembly, Transport & Storage b. The lysosome _____- with a vacuole and releases the enzymes into the vacuole to digest its contents.

Where does a cell get the energy to make these proteins??? Stay tuned to find out…

IV. Energy Transformers A.Chloroplasts 1. Capture ______ and convert it to chemical energy (food) 2. Found mostly in ____ cells

IV. Energy Transformers 3. Type of _______ a. a group of plant organelles used for _______ of food or pigments b. Chloroplasts store the green pigment chlorophyll 1) Traps the sunlight needed for photosynthesis

IV. Energy Transformers B. _____________ 1. Breaks down the _____ into a form of energy that the cell can use (ATP) a. This process is called _____________________ 2. Folded membranes allow for a lot of work to be done in a small space a. Looks like kidney bean with accordion folds.

IV. Energy Transformers 3. The number of mitochondria depends on the ______ of the particular cell a. Liver cell & muscle cells have ________ mitocondria b. Cellular respiration occurs here

Can cells move??? You bet! Here’s how…

V. Support & Locomotion A.______________ 1. Support structure of the cell a. Organelles don’t just float around in the cell! b. _________ (hollow) and microfilaments (solid) make up a framework for cell shape and movement of materials

V. Support & Locomotion B. _________ 1. Short, hair-like projections that cover the cell surface. 2. Move like the oars of a row boat to propel the cell forward or bring things to the cell.

V. Support & Locomotion C. _________ 1. Long tail-like projections on the cell 2. Usually a cell only has one or two flagella 3. Makes a ________ motion

VI. Other A.____________ 1. Play an important role in cell division (mitosis) a) _____ fibers come from centrioles 2. Found only in ______ cells and most protists

Recap -What organelles make up the cell’s boundaries? -What organelle controls the functions of the cell? How? -What organelles are associated with transport of proteins in the cell?

Recap -What organelles are associated with storage? -What organelle makes energy? -What organelle breaks down sugar to release energy? -What organelles are used for locomotion and support?

Recap -What is the role of the centriole? -What are some differences between plant and animal cells? -Do prokaryotes have most of the organelles we listed? Eukaryotes?