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Terms in this set (15)
enclosed by a membrane termed the tonoplast, it stores salts, minerals, nutrients, proteins, pigments, helps in plant growth, isolates materials that might be harmful or a threat to the cell and plays an important structural role for the plant
The layer of cellulose fiber which gives the cell most of its support and structure--it bonds with other _____ to form the structure of the plant
an elongated or disc-shaped organelle containing chlorophyll where photosynthesis takes place
serve functions such as storage, waste disposal, protection, and growth
narrow channels that act as intercellular cytoplasmic bridges to facilitate communication and transport of materials between plant cells
adenosine triphosphate (ATP)
a high-energy molecule used for energy storage by organisms
The thin layer of protein and fat that surrounds the cell, but is inside the cell wall is the _____. It is semipermeable, allowing some substances to pass into the cell and blocking others.
plant cell centrosomes do not have _____
its molecules use light energy from sunlight to turn water and carbon dioxide gas into sugar and oxygen
the multiply-folded inner membrane of a cell's mitochondrion that are finger-like projections
flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus--it packages proteins and carbohydrates into membrane-bound vesicles for "export" from the cell
The _____ is a spherical to rod-shaped organelle with a double membrane. The inner membrane is infolded many times, forming a series of projections (called cristae). It converts the energy stored in glucose into ATP (adenosine triphosphate) for the cell.
small organelles composed of RNA-rich cytoplasmic granules that are sites of protein synthesis
rough endoplasmic reticulum (rough ER)
The _____ is a vast system of interconnected, membranous, infolded and convoluted sacks that are located in the cell's cytoplasm. It is covered with ribosomes that give it a rough appearance. It transports materials through the cell and produces proteins in sacks called cisternae (which are sent to the Golgi body, or inserted into the cell membrane).
smooth endoplasmic reticulum (smooth ER)
The _____ is a vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm. It transports materials through the cell. It contains enzymes and produces and digests lipids (fats) and membrane proteins. It also moves the newly-made proteins and lipids to the Golgi body and membranes.
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