2.2 and 2.3 Vocab. Word Scramble
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Term | Definition |
classification | the process of grouping things based on their similarities |
taxonomy | the scientific study of how living things are classified |
binomial nomenclature | the two part naming system Linnaeus used |
genus | a classification grouping that contains similar, closely related organisms; the first name of the scientific name |
species | a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce; second name of the scientific name |
prokaryote | organisms whose cells lack a nucleus |
nucleus | a dense area in a cell that contains nucleic acids |
eukaryote | organisms with cells that contain nuclei |
microscope | an instrument that makes small objects look larger |
cell theory | a widely accepted explanation of the relationship between cells and living things |
organelle | tiny cell structures |
cell wall | rigid layer of nonliving material that surrounds the cells of plants and some other organisms |
cell membrane | controls what substances come into and out of a cell |
cytoplasm | the region between the cell membrane and the nucleus |
mitochondria | known as the "powerhouses" of the cell because they convert energy in food molecules to energy the cell can use to carry out its functions |
endoplasmic reticulum | a maze of passageways which carry proteins from one part of the cell to another |
ribosome | small, grain-like bodies that function as factories to produce proteins |
Golgi bodies | receive proteins and other newly formed materials from the endoplasmic reticulum, package them, and distribute them to other parts of the cell |
chloroplast | green organelles that capture energy from sunlight and use it to produce food for the cell |
vacuole | large, water-filled sac and they are the storage areas of cells |
lysosome | small, round structures containing chemicals that break down certain materials in the cell |
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