Phospholipids Proteins 3. Nucleus A) Structure: 1) Nuclear envelope = double layer of membrane around nucleus 2) Nuclear pores = holes in envelope 3) Chromosomes = DNA inside nucleus 4) Nucleolus = area full of ribosome parts B) Function: Store DNA & direct cell C) Macromol. Organelle Description Function Animal, Plant or Both CELL WALL Rigid, tough, made of cellulose Protects and supports the cell Plant CELL MEMBRANE Thin, covering, protects cells Protects the cell, performs active transport and passive transport, moves materials in and out of the cell, communication Both CYTOPLASM Jelly like substance that contains organelles Pads and supports organelles inside ...
The endoplasmic reticulum (ER) is a membranous organelle that shares part of its membrane with that of the nucleus. Some portions of the ER, known as the rough ER, are studded with ribosomes and are involved with protein manufacture. The rest of the organelle is referred to as the smooth ER and serves to produce vital lipids (fats).
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