Chapter 3 Cells: The Basic Units of Life

1. Chapter 3Cells: The Basic Units of Life

2. A group of similar cells that work together to perform a specific job in the body Click for Term

3. Tissue A group of similar cells that work together to perform a specific job in the body Click for Term

4. A combination of two or more tissues that work together to perform a specific function in the body Click for Term

5. Organ A combination of two or more tissues that work together to perform a specific function in the body Click for Term

6. A group of organs working together to perform body functions Click for Term

7. Organ system A group of organs working together to perform body functions Click for Term

8. Anything that can independently carry out life processes Click for Term

9. Organism Anything that can independently carry out life processes Click for Term

10. Made of a single cell Click for Term

11. Unicellular Made of a single cell Click for Term

12. Made of many cells Click for Term

13. Multicellular Made of many cells Click for Term

14. A group of individuals of the same species that live together in the same area at the same time Click for Term

15. Population A group of individuals of the same species that live together in the same area at the same time Click for Term

16. All of the populations of different species that live and interact in an area Click for Term

17. Community All of the populations of different species that live and interact in an area Click for Term

18. A community of organisms and their nonliving environment Click for Term

19. Ecosystem A community of organisms and their nonliving environment Click for Term

20. A phospholipid layer covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment Click for Term

21. Cell membrane A phospholipid layer covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment Click for Term

22. Structures within a cell, sometimes surrounded by a membrane Click for Term

23. Organelles Structures within a cell, sometimes surrounded by a membrane Click for Term

24. Cellular fluid surrounding a cell’s organelles Click for Term

25. Cytoplasm Cellular fluid surrounding a cell’s organelles Click for Term

26. Membrane-covered organelle found in eukaryotic cells that contains a cell’s DNA and serves as a control center for the cell Click for Term

27. Nucleus Membrane-covered organelle found in eukaryotic cells that contains a cell’s DNA and serves as a control center for the cell Click for Term

28. Describes a cell that does not have a nucleus or any other membrane-covered organelles; also called bacteria Click for Term

29. Prokaryotic Describes a cell that does not have a nucleus or any other membrane-covered organelles; also called bacteria Click for Term

30. Describes a cell that has a nucleus Click for Term

31. Eukaryotic Describes a cell that has a nucleus Click for Term

32. Extremely small single-celled organisms without a nucleus; prokaryotic cells Click for Term

33. Bacteria Extremely small single-celled organisms without a nucleus; prokaryotic cells Click for Term

34. A structure that surrounds the cell membrane of some cells and provides strength and support to the cell membrane Click for Term

35. Cell wall A structure that surrounds the cell membrane of some cells and provides strength and support to the cell membrane Click for Term

36. A small organelle in cells where proteins are made from amino acids Click for Term

37. Ribosome A small organelle in cells where proteins are made from amino acids Click for Term

38. A membrane-covered cell organelle that produces lipids, breaks down drugs and other substances and packages proteins for delivery out of the cell Click for Term

39. Endoplasmic reticulum (ER) A membrane-covered cell organelle that produces lipids, breaks down drugs and other substances and packages proteins for delivery out of the cell Click for Term

40. Cell organelles surrounded by two membranes that break down food molecules to make ATP Click for Term

41. Mitochondria Cell organelles surrounded by two membranes that break down food molecules to make ATP Click for Term

42. An organelle found in plant and algae cells where photosynthesis occurs Click for Term

43. Chloroplast An organelle found in plant and algae cells where photosynthesis occurs Click for Term

44. The cell organelle that modifies, packages, and transports materials out of the cell Click for Term

45. Golgi complex The cell organelle that modifies, packages, and transports materials out of the cell Click for Term

46. A membrane-covered compartment in a eukaryotic cell that forms when part of the cell membrane surrounds an object and pinches off Click for Term

47. Vesicle A membrane-covered compartment in a eukaryotic cell that forms when part of the cell membrane surrounds an object and pinches off Click for Term

48. A large membrane-covered structure found in plant cells that serve as storage containers for water and other liquids Click for Term

49. Vacuole A large membrane-covered structure found in plant cells that serve as storage containers for water and other liquids Click for Term

50. A special vesicle in cells that digests food particles, wastes and foreign invaders Click for Term