BIO203H5 Study Guide - Midterm Guide: Meristem, Sieve Tube Element, Vascular Cambium

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23 Oct 2016
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Lecture 1: plant cells, tissue systems, and meristems. The vacuole is surrounded by its membrane, the tonoplast. It stores water and granules, takes up to. 80% of the cell and is important for enlargement. The primary cell wall covers the plasma membrane, and if the cell has a secondary cell wall, then it is between the primary cell membrane and the plasma membrane. Plastids: have inner and outer membranes, and fluid called stroma. Chloroplasts are the most important type of plastids. They have thylakoids inside them, which is where light dependent reactions of photosynthesis happen. Leucoplasts store are unpigmented and involved in fat and lipid synthesis. Plasmodesmata: small channels that connect cells to each other. The plasma membrane passes through it so each cell is connected continuously. Vascular plants: plants that contain vascular tissue (xylem and phloem) Simple tissues have one of the three following cell types. When they have a lot of chloroplasts, called chlorenchyma.

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