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Biology
| Question | Answer |
|---|---|
| What are the four main types of cells ? | Animal,plant,fungal,bacterial |
| What does an animal cell have? | Cell membrane, cytoplasm, mitochondria, ribosome, nucleus |
| What does a plant cell have? | Cell wall, cell membrane, mitochondria, cytoplasm, ribosomes, nucleus, vacuole, chloroplast |
| What does a fungal cell have (YEAST)? | Cell wall, cell membrane, cytoplasm, mitochondria, ribosomes, nucleus |
| Plant cell wall is made up of ? | Cellulose |
| What is a bacterial cell have? | Cell wall, cell membrane, cytoplasm, ribosomes, plasmids, large circular chromosomes |
| Fungal and bacterial cells are not made up of ? | Cellulose |
| Nucleus controls? | Cellular activities and stores DNA |
| Cell membrane controls ? | What material goes in and out of the cell |
| Cell wall provides? | The cell with structural support |
| Cytoplasm is ? | Where the chemical reactions take place |
| Ribosomes is? | Where protein synthesis occurs |
| Mitochondria is ? | Responsible for areobic respiration |
| Vacuole is where? | Cell sap is stored and helps support the cell |
| Chloroplast contains? | Chlorophyll to trap light energy for photosynthesis |
| Large circular chromosomes is? | Where bacterial DNA is stored |
| Plasmids contain? | Extra DNA to help survival |
| These structures are called ? | Organelles |
| (Specialised cells to do specialised jobs) Sperm cell needs? | A tail to swim, many mitochondria and 1/2 of the genetic information |
| Mitosis is the biological name for ? | Cell division |
| Mitosis is important to multicellular organisms for? | Growth, repair and replacement of lost and damaged cells |
| Mitosis is important to unicellular organisms for? | Reproduction |
| Give an example of a multicellular organism ? | Humans |
| Give an example of a unicellular organism ? | Fungi and bacteria |
| Mitosis is controlled by ? | The nucleus |
| DNA is found in the form of and where? | Chromosomes in the nucleus (of most cells) |
| The genetic information in organisms is in the form of? | DNA |
| Human have how many chromosome complements? | 46 |
| Female chromosome can be written as ? | 44+xx |
| Male chromosomes can be written as ? | 44+xy |
| Ordinary body cells (somatic) have ? | 2 SETS of "23" chromosomes |
| 2 SETS OF "23" chromosomes are described as ? | Diploid |
| Sex cells (gametes) have only ? | 1 SET of "23" chromosomes |
| 1 SET of "23" chromosomes are described as ? | Haploid |
| Red blood cells have NO? | CHROMOSOMES |
| Haploid gametes fuse at fertilisation to form? | Diploid 2YGOTE |
| A 2YGOTE IS A ? | Single fertilised egg (diploid) |
| What is stage 1 of mitosis ? | DNA in the nucleus replicates |
| What is stage 2 of mitosis? | Chromosomes shorten and thicken and become visible |
| What is stage 3 of mitosis? | Nuclear membrane breaks down and chromosomes line up on the cells equator |
| What is stage 4 of mitosis ? | Spindle fibres pull chromatids to the opposite poles of the cell |
| What is stage 5 of mitosis ? | New nuclear membrane form and cytoplasm starts to separate |
| What is stage 6 of mitosis ? | Cytoplasm divides and 2 IDENTICAL daughter cells are formed |
Created by:
KatieGracie
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