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CyfarthfaB2Cells
| Question | Answer |
|---|---|
| Which microscope magnifies 1000x and gives a 2D image? | Light |
| What are the advantages of a light microscope? | Views live cells, portable |
| Which microscope magnifies 1000000x? | Electron |
| What is the biggest disadvantage of the electronic microscope? | Can only view dead cells |
| Which microscope produces 3D images? | Laser |
| Which 3 structures are found in animal cells? | Nucleus, cell membrane, cytoplasm |
| With three structures are found in plant cells but not in animal cells? | Vacuous, chloroplast, cell wall |
| Where chemical reactions take place | Cytoplasm |
| Controls what enters and leaves the cell | Cell membrane |
| Contains DNA | Nucleus |
| Where photosynthesis takes place | Cloroplast |
| Stores cell sap | Vacuole |
| Made of cellulose, gives the cell shape and sipport | Cell wall |
| Specialised cell that carries oxygen | Red blood cell |
| Adaptation of red blood cells | Large surface area, no nucleus |
| Specialised cell that absorbs water into the roots | Root hair cell |
| Adaptation of root hair cells | Large surface area, no chloroplasts |
| Specialised cell found lining the airways | Ciliated epithelial cells |
| Adaptations of ciliated epithelial cells | Hair - like cilia to move mucus |
| Specialised cell that is the male gamete | Sperm |
| Adaptations of sperm cells | Tail to swim, special coating on its head to burrow into the egg |
| Specialised cell that is found in the leaf | Palisade cell |
| Adaptations of the palisade cell | Large number of chloroplasts, large vacuole to push chloroplasts close to cell membrane to absorb more light |
| Structures found in bacterial cell | Cell wall, cytoplasm, cell membrane, no nucleus |
| How bacteria reproduce | Splitting in half |
| Structure of a virus | Protein coat and a strand of DNA |
| How do viruses reproduce? | Inside a host cell |
| Structure of unicellular algae | |
| How do algae reproduce? | Either as asexualy by producing spores or sexually by fusion of gametes |
| Structure of yeast | |
| How yeast cells reproduce | Budding |
| Definition of a stem cell | Undifferentiated cell that can develop into many different specialised cells |
| Two places where we can get human stem cells from | Embryos or bone marrow |
| Why is stem cell research controversial? | Human embryos ate destroyed |
| Why are bone marrow stem cells a good choice | Less chance of rejection |
| Location of stem cells in plants | Meristems |
| Cell wall, cell membrane, cytoplasm, nucleus | |
| Two types of cell division | Mitosis & meiosis |
| Number of daughter cells produced by mitosis | 2 |
| Number of daughter cells produced my meiosis | 4 |
| Daughter cells produced by mitosis are genetically ..... | Identical |
| Daughter cells produced by meiosis are genetically... | Different |
| Function of mitosis | Growth and replace damaged cells |
| Function of meiosis | Producing gametes |
Created by:
MissRParry
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