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biology final 10th
biology final over just last quarter
| Question | Answer |
|---|---|
| what is endoplasmic reticulum? | the organelle that transports proteins around the cell. |
| what is a nucleus? | a large organelle in a eukaryotic cell that contains the cell's DNA, chromosomes, and genetic material. |
| what are lysosomes? | the organelle that digests food particles,wastes, cell parts, and foreign invaders. |
| what is a golgi body? | the organelle that packages proteins before they leave the cell. |
| what is a vacuole? | the organelle that stores water and other materials. |
| what are ribosomes? | organelles that make proteins. |
| what is a cytoplasm? | the fluid, jelly-like substance that fills the cell. |
| what is a nucleolus? | the dark area of the nucleus which stores materials that will be used to make ribosomes. |
| what is mitochondria? | the organelles that break down food and sugar to release energy. |
| what are chromosomes? | structures in the nucleus of eukaryotic cells made of DNA. |
| what is a cell membrane? | a protective layer that covers the cell's surface and controls what moves in and out of the cell. |
| what is a cell wall? | a structure that surrounds the cell membrance and provides support to the cell. |
| what is a chloroplast? | organelles in plant cells that trap sunlight; organelle in which photosynthesis takes place. |
| what is osmosis? | a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one, thus equalizing the concentration on each side of the membrane. |
| what is a contractile vacuole? | is a sub- cellular structure(organelle) involved in osmoregulation. it pumps excess water out of a cell and is found prominently in freshwater protists. they are found in both plant and animal cells. it pumps the water out from the cytoplasm. |
| what is a protozoa? | a phylum or group of phyla that comprises the single-celled microscopic animals, which include amoebas,flagellates, ciliates,sporozoans, and many other forms. they are now usually treated as a number of phyla belonging to the kingson protista. |
| what is algae? | a simple nonflowering plant of a large group that includes seaweeds and many single-celled forms. algae contains chlorophyll but lack true stems, roots, leaves, and vascular tissue. |
| what are slime molds? | a simple organism that consists of an acellular mass of creeping jelly-like protoplasm containg nuclei; or a mass of ameboid cells, when it reaches a certain size it forms a large number of spore cases. |
| what is pseudopodia? | a temporary protrusion of the surface of an ameboid cell for movement and feeding. |
| whar are amoebas? | a single-celled animal that catches food and moves about by extending fingerlike projections of protoplasm.amoebas are either free living in damp environments or parasitic |
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JiggedyJenn
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