Cells Across 1. system of membranes and tubes connecting the nuclear membrane and plasma membrane 4. structures in the nucleus made of DNA and proteins 6. region in bacteria where their chromosome is located 7. model of the plasma membrane 9. proteins attached to only one side of the plasma membrane 14. tails of phospholipids that don't like water 16. made of cellulose and surrounds the outside of plant cells 18. idea that all living things are made of cells 21. genetic material found inside the nucleus of a cell 23. contain pigments in plants 24. ER with ribosomes attached to its surface 30. this grows faster than the surface of a cell forcing them to divide 33. digest worn out cell parts and food 35. a double layer of these molecules makes up the plasma membrane 36. first person to see and draw living cells 37. small sacs containing cell products that can be transported in the cell 38. cells with a true nucleus 39. water-loving heads of phospholipids 40. cells what new cells form from 41. made of organs working together to do a similar job such as the digestive 44. present in animal cells to aid in cell division Down 2. surrounds the outside of all cells 3. organisms made of more than one cell working together 5. cells like bacteria without a nucleus or membrane-bound organelles 8. cell structures that perform specific functions for the cell 10. domain containing ancient bacterial forms 11. this determines the function of a cell 12. all the organelles and fluid between the nucleus and plasma membrane 13. site of cellular respiration in cells 15. double layer surrounding the nucleus 17. energy molecule made inside the mitochondria 18. short hair-like structures made of microtubules that help move cells 19. a constant internal environment maintained by cells 20. made of similar cells working together to do a job such as muscle 22. long whip-like structures found on some cells to help them move 25. system of flattened sacs that modify and package proteins 26. ER that makes cholesterol & helps detoxify poisons 27. fluid that makes up cytoplasm 28. organelle inside the nucleus that makes ribosomes 29. made of rRNA and protein and where proteins are made 30. made of microtubules and microfilaments to give support to cells 31. openings in the nuclear membrane 32. smallest unit of life 34. uncoiled chromosomes in the nucleus of non-dividing cells 39. used a simple light microscope to draw cork cells from plants 42. control center of eukaryotic cells 43. unattached ribosomes in the cytosol 44. the largest organelle in plant cells containing the cell sap 45. proteins embedded in the plasma membrane