Lab2Answers - Plant Science 1203L Laboratory 10 - Plant...

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Unformatted text preview: Plant Science 1203L Laboratory 10 - Plant Cells 1. Most of us are familiar with the components that make up a cell. Plant cells have some distinct differences from animal cells. Name 4 components that plant cells have, that are DIFFERENT from animal cells. Cell wall, vacuole, chloroplasts, chromoplasts, starch grains (amyloplasts). 2. Name 4 components that are COMMON between plant and animal cells. Nucleus, ER, mitochondria, ribosomes, golgi bodies, cell membrane, more. One of the obvious components that a plant cell has (and you probably answered) is the plant cell wall. The cell wall is composed of cellulose laid down as strands of cellulose molecules. All plant cells will have a cell wall that was initially produced after mitosis. This first layer of cell wall is termed the primary cell wall . Later as the plant cell matures it may differentiate (change) into a cell with specialized function. Often these cells will add additional layers of cellulose forming what is termed a secondary cell wall . Almost invariably the addition of secondary cell wall material is for additional strength and rigidity. Cells with secondary cell walls are usually providing support to the plant tissue they are part of. This strengthening allows stems to stand upright, petioles to hold leaves horizontally to capture sunlight, or strong walls around a hollow core  to allow for transport of...
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Lab2Answers - Plant Science 1203L Laboratory 10 - Plant...

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