Assertion: nucleus's membrane | /r/CapableOf | protect the cell nucleus
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text: Start over A B cell membrane the covering that surrounds the cell and separates it from the exterior (its environment); controls everything that goes into and out of the cell cell wall found OUTSIDE the cell membrane of plant cells; helps support the plant and protect the cell nucleus controls the activities of the cell; the "brain" nuclear membrane controls the movement of materials into and out of the nucleus chromosome threadlike structure of DNA and protein DNA (deoxyribonucleic acid) heredity material that is duplicated during cell division and passes on identical instructions from parents to offspring cytoplasm all of the material in a cell located between the nucleus and the cell membrane endoplasmic reticulum transport system of the cell; a network of tubelike canals that run throughout the cytoplasm Golgi apparatus network of channels located close to the nucleus; add carbohydrates to new proteins; packages wastes; forms cell membranes ribosome make proteins from raw materials found in the cytoplasm; some float freely while others are attached to the endoplasmic reticulum mitochondrion release energy; called the "powerhouse" of the cell; food molecules are broken down here and energy is released vacuole storage area of the cell; usually contains water, food molecules, or waste products; usually much larger in plant cells chloroplast large, green oval-shaped organelle in which photosynthesis takes place; contains chlorophyll lysosome small, round structures involved in the digestive activities of the cell; contain enzymes that break down large molecules into smaller ones; digest wastes, old cell parts, and foreign invaders!