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tour of cell 2
| Question | Answer |
|---|---|
| outer region of cytoplasm in a eukaryotic cell, lying just under the plasma membrane, that has a more gel-like consistency that the inner regions due to the presence of multiple microfilament; in plants, ground tissue that is between the vascular tissue | Cortex |
| a network of microtubules, microfilaments, and intermediate filaments that extend though out cytoplasm and serve a variety of mechanical, transport, and signaling function | Cytoskeleton |
| a component of the cytoskeleton that includes filaments intermediate in size between microtubules and microfilaments | Intermediate filament |
| a complex of rRNA and protein molecules that function as a site of protein synthesis in the cytoplasm; consists of a large and small subunit. In eukaryotic cells, each subunit is assembled in the nucleolus | ribosome |
| the contents of the cell bounded by the plasma membrane; in eukaryotes, the portion exclusive of | Cytosol |
| the meshwork, surrounding animal cells, consisting of glycoproteins, polysaccharides and proteoglycans synthesized and secreted by the cell | extracellular matrix |
| an extensive membranous network in eukaryotic cells, continuous with the outer nuclear membrane and composed of ribosome-studded (rough) and ribosome-free (smooth) regions | endoplasmic reticulum (ER) |
| a membranous sac fromed by phagocytosis of microoganisms or particles to be used as food by the cell | food vacuole |
| In animals cells, a transmembrane receptor protein with 2 subunits that interconnects the extracellular matric and the cytoskelteton | integrin |
| an organelle in eukaryotic cells consisting of stacks of flat membranous sacs that modify, store, and route products of the ER and synthesize some products, notably noncellular carbohydrates | Golgi apparatus |
| the dense fluid within the chloroplast surrounding the thylakoid membrane and containing ribosomes and DNA; involved in the synthesis of organic molecules from carbon dioxide and water | stroma |
| a protein with one or more covalently attached carbohydrates. | glycoprotein |
| the membrane at the boundary of every cell that acts a selective barrier, regulating the cell's chemical composition | plasma membrane |
| an optical instrument with lenses that refract (bend) visible light to magnify images of specimens. | light microscope (LM) |
| a globular protein that links into chains 2 of which twist helically about each other, forming microfilaments (actin filaments) in muscle and other kinds of cells. | actin |
| a specialized structure in the nucleus, consisting of chromosomal regions containing ribosomal RNA (rRNA) genes along with ribosomal proteins imported from the cytoplasm site of rRNA synthesis and ribosomal subunit assembly | nucleolus |
| an organelle found in plants and photosynthetic protists that absorbs sunlight and uses it to drive the synthesis of organic compounds from carbon dioxide | chloroplast |
| a hollow rod composed of tubulin proteins that makes up part of the cytoskeleton in all eukaryotic cells and is found in cilia and flagella | microtubules |
| a small membranous sac in a eukaryotic cell's cytoplasm carrying molecules produced by the cell | transport vesicle |
Created by:
breawnsmith
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