387896
Descripción
Fichas por kaleem_riaz, actualizado hace más de 1 año
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Creado por kaleem_riaz
hace casi 11 años
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| Pregunta | Respuesta |
| What is meiosis? | Special type of cell division that performs gametes |
| What is mitosis? | Cell division |
| What is collagen? | Makes the walls of the arteries stronger |
| Insulin | Controls blood glucose levels |
| Haemoglobin | Carries oxygen around the body |
| Metabolic Rate | Amount of energy the body needs |
| Mutation | Change in the DNA code |
| Catalyst | A chemical that speeds up a reaction without itself getting used up |
| Activation Energy | Least amount of energy needed to activate an enzyme |
| Ribosomes | Make proteins |
| Recovery Rate | Time taken to return to resting pulse in recovery time |
| Fertilisation | When 2 nuclei fuse together to form a zygote |
| Protein Synthesis | Stage 1: Transcription takes place which occurs in the nuckeus and this is when the DNA Double Helix unwinds and then unzips to reveal its base codes then these base codes pair up with their complimentary bases to form two new strands of DNA which are called mRNA Stage 2: Translation takes place which occurs on the ribosomes and this is when the mRNA leaves the nucleus and goes to the ribosomes in the cytoplasm of the cell |
| Denaturing Enzymes | When the shape of the enzyme changes then the substrate cannot fit into the active site |
| 2 things that cause denaturing | Extreme PH High Temperature |
| Enzymes have a Q10 of what? | 2 |
| Lock and Key Theory | Each enzyme has a different shape and within that enzyme is the active site and only one type of substrate can fit into the active site |
| Oxygen Debt | This is when you breathe in heavily so more oxygen is breathed in which allows lactic acid to be removed |
| What are meristems? | Where cell division takes place |
| White Blood Cells | Defend the body against diseases by engulfing bacteria |
| Platelets | responsible for clotting blood |
| Plasma | Transport Water |
| Stem Cells | Very first stem cells that can develop into many different types of cells but they can develop into all types of body cells |
| What are stem cells used for? | Research, medical conditions and diseases |
| Where are stem cells found? | Found in the embryo which are called the embryonic stem cell |
| Advantage and Disadvantage of Stem Cells | Advantage: Cure Diseases Disadvantage: Damage the embryo |
| Why do cells divide? | Because they need to repair damaged tissues, they also need to allow the cells to grow or replace the worn out cells |
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