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Cells

Cells. www.teachersdomain.org Gallery of Cells. Mrs. Harlin. 1.1.1.

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Cells

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  1. Cells www.teachersdomain.org Gallery of Cells Mrs. Harlin

  2. 1.1.1 • Summarize the structure and function of organelles in eukaryotic cells (including the nucleus, plasma membrane, cell wall, mitochondria, vacuoles, chloroplasts, and ribosomes) and ways that these organelles interact with each other to perform the function of the cell.

  3. Animal Cell

  4. Plant Cell

  5. NUCLEUS • Directs all cell activities • Contains instructions for everything the cell does • These instructions are found on a hereditary material called DNA

  6. Plasma Membrane • Protective layer around ALL cells. • Allows things in and out of cells. • Helps cell maintain homeostasis (internal balance).

  7. CELL WALL • protects the cell • gives shape • is made of cellulose • A cell wall is found in plants, algae, fungi, & most bacteria. • NOT found in animal cells. • Located outside the cell membrane.

  8. MITOCHONDRIA • Organelles that break down glucose to make ATP- process called cellular respiration. • AKA the powerhouse. • Inner folded membranes= increase in surface area= more energy production during aerobic cellular respiration

  9. VACUOLES • Temporary storage spaces • Store food, water, waste • Take up most of a plant’s cells volume.

  10. Chloroplasts • Green organelles that make food= photosynthesis • found only in plant cells

  11. RIBOSOMES • Site of protein synthesis! = to make proteins • Float freely or attached to the endoplasmic reticulum (ER) • In ALL cells!

  12. The Cell is like a Factory • DNA from the nucleus codes for proteins. • Proteins are used as enzymes for chemical reactions: • Energy production at the mitochondria • Making glucose in the chloroplast • Digesting large organic molecules

  13. Life’s Levels of Hierarchy • Atoms-> Molecules-> Organelles-> Cells ->Tissues -> Organs -> Organ Systems -> Organisms • This applies only for multicellular organisms.

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