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PLANT CELLS

How does a plant’s lifestyle differ from an animals? What organelles are different?. PLANT CELLS. Protects and supports Found only in plants, algae, fungi, and bacteria Lies outside cell membrane; provides rigidity Composed of cellulose ( polysaccaride ). Cell wall.

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PLANT CELLS

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  1. How does a plant’s lifestyle differ from an animals? What organelles are different? PLANT CELLS

  2. Protects and supports Found only in plants, algae, fungi, and bacteria Lies outside cell membrane; provides rigidity Composed of cellulose (polysaccaride) Cell wall

  3. Plastids are organelles that are surrounded by a double membrane and contain their own DNA Chromoplasts: contain colorful pigments, red (xanthophyll), orange (carotene), and yellow (anthocyanin) that color fruits, flowers, and fall leaves. Leucoplasts- colorless; stores food; found in roots and stems Chloroplasts- contain green pigment chlorophyll which is site of photosynthesis Types of PLastids

  4. Found only in plants and some algae Have their own DNA (chloroplast only) Have outer membrane with complex inner membrance called Granum (stacks of membranes) and protein material called the Stroma that fills rest of organelle Chloroplasts

  5. Large, fluid filled organelle that stores not only water, but enzymes, metabolic wastes, and other materials. Make up 90% of plants volume When water is plentiful, this fills up and cells expand making plant stand upright Central Vacuole

  6. Animal Cells: • Have centriolesand small vacuole sometimes • Plant cells: • Have cell wall, plastids, and large central vacoule • Both plant and animal cells: • Can be multicellular or unicellular • Eukaryotic Compare cells

  7. One person says the vacuoles keep a plant from wilting. Another says cell walls do it. Who is correct? If you discovered a new cell what characteristics would you look for to determine what type it is? Think about it

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