Across
- 7. "Before nucleus"
- 9. abbreviated name of a simple species of bacteria.
- 11. DNA-containing region in a prokaryote.
- 12. The surface area to volume ratio of a cell _____ as the cell gets larger.
- 14. The process of using plasma membrane to engulf molecules, form vesicles and bring the molecule into the cell.
- 16. Structure in eukaryotes made up of a single long piece of DNA coiled on a protein.
- 18. Short fibres on the cell wall of a prokaryote, used for cell attachment and DNA transfer.
- 19. Membranes that process and package proteins to be secreted (exported) from the cell.
- 20. Organelle responsible for respiration in eukaryotes.
- 23. "True nucleus"
- 24. The process of a cell becoming specialized to suit its function.
- 26. The process of using plasma membrane to engulf fluids, form vesicles and bring the fluid into the cell.
- 27. Outer limit of eukaryote cells, made of a phosopolipid bilayer, controls entry and exit to the cell.
- 31. Large space in plant cells, used for storage of water or nutrients.
- 32. Property of membranes that means some molecule types (dependent of size or properties) can pass through and others cannot.
- 34. Description of difference between areas of two different concentrations of a substance.
- 37. A type fo cell that retains the capacity to divide and to differentiate into specialized cells.
- 38. Integral proteins that use ATP energy to move molecules across the plasma membrane, against the concentration gradient.
- 40. Molecule that makes up plasma membranes, phosphate head and fatty acid tails.
- 41. Cell-surface proteins, do not go all the way through.
- 45. Internal structure of a cell.
- 48. Type of membrane protein that is embedded in the membrane all the way through.
- 50. 'Water-repelling"
- 51. _____ diffusion is passive movement of molecules from high to low concentration, across a membrane, using a channel protein.
- 52. Outer-layer of plant cells and prokaryote cells.
- 53. Function of life: conversion of energy to make ATP
Down
- 1. Function of life: removal of waste
- 2. "Water-attracting"
- 3. The process of forming vesicles to export molecules from the cell, through the plasma membrane.
- 4. Vesicle containing digestive enzymes to break down molecules in the cell.
- 5. Function of life: making new generations
- 6. As a cell differentiates to become specialized, some genes are _____ and not others.
- 8. The model of plasma membranes we use is described as a _____ _______ as it can flow and is made up of many connected components.
- 10. A type of cell that performs a specific function.
- 13. Folded membrane with ribosomes, producing proteins for export from the cell.
- 15. Passive method of movement of molecules from an area of high concentration to low concentration.
- 17. Method of cell division of prokaryotes
- 21. Chlorophyll-containing organelle, site of photosynthesis.
- 22. Single-celled organism
- 25. Unit of measurement (µm)
- 28. Term used to describe components of a cell that are outside the plasma membrane, e.g. cell walls.
- 29. Produce proteins for use inside the cell.
- 30. extracellular components made of sugars that are used in adhesion, cell communication.
- 33. ______ transport of molecules requires an integral membrane protein pump to move molecules against the concentration gradient.
- 35. Membrane-bound organelle containing all eukaryote chromosomes.
- 36. The passive net movement of water molecules across a partially-permeable membrane, from areas of low solute concentration to high solute concentration.
- 39. Type of lipid that helps maintain the fluidity of the phospholipid bilayer.
- 42. ____ stem cells are totipotent: they can differentiate into any cell type.
- 43. Many-celled organism
- 44. Example of simple unicellular organism
- 46. These are whip-like structures that allow prokaryotes to move through fluids.
- 47. Type of integral protein that is used for facilitated diffusion.
- 49. Fluid inside cells, water-based, containing many enzymes and molecules.