Chapter 4-5 Crossword
Across
- 3. An identical genetic copy of its parents.-Clone
- 7. Reproduction with the help of budding, binary fission or spore formation without gametes.-Asexual reproduction
- 11. A round body that sits in the nucleus and has a vital role in creating ribosomes.-Nucleolus
- 15. Found in plant cells, contains chlorophyll.-Chloroplasts
- 17. The substance in cells that speeds up chemical reactions that can either bring up or break down a molecule.-Enzymes
- 19. The substance in a cell's nucleus that consists of RNA, DNA and many other proteins.-Chromatin
- 21. The longest cell cycle stage.-Interphase
- 22. A specialized structure in cell that has a specific function.-Organelle
- 23. Cells in plants that come together to form structures that produce identical clones of the existing plant.-Vegetative reproduction
- 27. A small single-celled reproductive body produced by plants.-Spores
- 28. Are made up of DNA and are the ones that carry all the necessary information to a cell to help it grow and reproduce and become the organism it is suppose to be.-Chromosome
- 29. A storage bubble that stores nutrients for the cell and even waste.-Vacuoles
- 31. The shortest stage of the cell cycle, it is where the nuclear's content divides.-Mitosis
- 34. The process of dividing the cytoplasm from the cell, resulting in two daughter cells.-Cytokinesis
- 36. When a single celled organism splits into identical copies.-Binary fission
- 38. Contains all cell.-Cell membrane
- 39. A serious illness caused by damaged cells accumulating into tumors.-Cancer
- 42. Mutation due to a change in a gene.- Hormones
- 43. Root component of all living cells, including many substances such as enzymes and antibodies.-Proteins
- 44. The part of a cell that controls the appearance and growth of an organism.-Genes
Down
- 1. Two identical copies that came from the same chromosome and are connected by a centromere.-Sister chromatids
- 2. Genetic engineering used to help fix defected cells in a human.-Gene therapy
- 4. A mutation that has no affect on the organism.-Neutral mutation
- 5. The molecule that holds all genetic information of the development and function of a cell.-Deoxyribonucleic acid
- 6. The brain of the cell.-Nucleus
- 8. Cells obtained from an embryo.-Embryonic stem cells
- 9. Works as a packing system for proteins.-Endoplasmic reticulum
- 10. Act like the messenger molecule that help control how cells and organs do their work.- Hormones
- 12. A mutation that decreases the ability of a cell to survive.-Negative mutation
- 13. The process of creating an identical copy of something.-Replication
- 14. They can increase the risk of a induced genetic mutation.-Mutagens
- 16. Extend from the cell poles and pull chromosomes apart.-Spindle fibres
- 18. Its job is to monitor the nutrients coming from the cytoplasm to the nucleus, preventing unnecessary materials to enter.-Nuclear pores
- 20. Hold together chromatids.-Centromere
- 23. There job is to transport molecules from the Golgi body to different areas of a cell.-Vesicles
- 24. Its job is to gather and package organelles.-Golgi body
- 25. A mutation that improves the ability of a cell to survive.-Positive mutation
- 26. The double-layered membrane that surrounds the nucleus.-Nuclear membrane
- 30. Only found in plant cells, they surround every cell.-Cell wall
- 32. Create the protein necessary for a cell.-Ribosomes
- 33. Acts like the digestive system for a cell.-Mitochondria
- 35. Cells that are able to produce cells of other types.-Stem cells
- 37. When a part of an organism breaks off and grows into a clone of its parents.-Fragmentation
- 38. Fluid that fills a cell.-Cytoplasm
- 40. Is encoded in a cell until the ladder-like structure unwinds and replicates.-DNA
- 41. When areas of multicelluar organisms go under various cycles of mitosis in order to form an identical organism.-Budding