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13 terms

Microscopes, Cells, and Energy p1

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mitochondrion
the power centers of the cell (movement, dividing, producing)
lysosome
Contains hydrolytic enzymes necessary for intracellular digestion, rare in plant cells, but common in animal cells. Necessary for digestion, and to kill and digest bacteria.
nucleus
contains DNA responsible for providing the cell with its information
Golgi apparatus
Membrane-bound structure with a single membrane, packes macromolecules for transport throughout the cell
Rough ER
Pebbled by electron microscopy due to presence of numerous ribosomes on its surface
Smooth ER
A continuation of the outer nuclear membrane and its varied functions suggest the complexity of the cell.
Cytosol
Full of proteins that control cell metabolism including signal transduction pathways, glycolysis, intracellular receptors, and transcription factors
Cell membrane
A double layer of phospholipids. Cell boundary. Heads are hydrophilic and tails are hydrophobic.
Ribosome
Packets of RNA and protein that play a crucial role in both prokaryotic and eukaryotic cells. The site of protein synthesis, comprised of a large and small subunit.
Chloroplast
Specialized organelles found in all higher plant cells and contains chlorophyll responsible for the green color. Has double outer membrane.
Central Vacuole
A membrane-bound sac that plays roles in intracellular digestion and the release of cellular waste products.
Cell Wall
A rigid, protective cell wall made up of polysaccarides (cellulose). Maintains shapes of cells
Vacuole/Vesicle
Store nutrients and waste products, help increase cell size during growth, and act a lot like lysosomes.