Looking Inside Cells

Inside A Cell Organelles - tiny cell structures that carry out a specific function within the cell.

Plant Cells Vs Animal Cells Animal cells contain lysosomes. Animal cells contain many small vacuoles. The largest organelle in the animal cell is the nucleus. Plant cells contain a cell wall & chloroplasts. Plant cells contain one large vacuole, it is the largest organelle in a plant cell.

Cell Membrane The semi-permeable membrane (allows only certain things in and out) that encloses the contents of a cell. Found in all cells. Known as the security wall

Cell Wall The rigid, outermost layer of a plant cell. A plant’s cell wall helps to protect and support the cell, making it square.

Chlorophyll The green pigment found in the chloroplasts of plants that is necessary for the production of plant food during photosynthesis.

Chloroplasts Only found in plants. A small oval green bit of protoplasm that contains chlorophyll and is the location of photosynthesis.

Cytoplasm The gel like material that surrounds the organelles. Found in all cells

Endoplasmic Reticulum Organelle in the cytoplasm that moves materials around in a cell, is made up of folded membranes; can be rough or smooth.

Golgi Bodies Golgi body is the cell’s mail room. Organelles that package cellular material (proteins) & transport them within the cell or out of the cell.

Lysosomes The organelle that contains enzymes to break down or digest organic compounds and old organelles.

Mitochondria very tiny rod-like or string-like structures that occur in nearly all cells of plants and animals, and that process food for energy. Known as the powerhouses of the cell, mostly found in the muscle cells to give them energy.

Nucleolus small spherical body in the nucleus of a cell, consisting of protein and RNA.

The Nucleus The part of a cell that controls growth & reproduction. The control center of the cell.

Ribosome Small structure on which cells make their own proteins. Protein Factories Found in all cells

Vacuoles A membranous enclosure within a cell that contains substances. The storage centers of the cell. Plant: Animal:

Bacterial Cells Draw a picture and label all parts in the list at the end of ppt.!

Bacteria Cells Flagellum Movement Pili- Attaches bacteria to surfaces.

Bacteria Cells Plasma Membrane It helps transport substances including removal of wastes from the body. Plasma membrane acts as a semi permeable membrane, which allows only selected material to move inside and outside of the cell.

Bacteria Cells Capsule It is used to stick cells together and works as a food reserve.   It protects the cell from dryness and from chemicals. DNA Genetic material of the cell

Bacteria Cells Cytoplasm Helps in cellular growth, metabolism & replication. Cell Wall Helps in providing support, mechanical strength and rigidity to cell.

Bacteria Cells Ribosomes They are the site of protein synthesis. Plasmids Used to exchange DNA between the bacterial cells. Are small circle of DNA

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