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Key Area 2.1
Revision for Key area 2.1 Producing New Cells
| Question | Answer |
|---|---|
| What is the term used for cell division | Mitosis |
| Define diploid | Two sets of chromosomes |
| Define haploid | One set of chromosomes |
| Name the fibres which attach to sister chromatid pairs and pull them to opposite poles of the cell | Spindle Fibres |
| Name an unspecialised cell | Stem Cell |
| Name both types of stem cells | Tissue and embryonic |
| Give an example of a specialised cell | Red blood cell, Sperm cell, Phloem cell, Xylem cell, White blood cell, Nerve cell |
| State the order of organisation in organisms in increasing order of complexity. | Cells -> Tissues -> Organs -> Systems -> Organism |
| How many sets of chromosomes are in a sperm cell | one set (sperm is haploid) |
| How many sets of chromosomes are in a muscle cell | two sets (muscle cells are diploid) |