4509654
Description
Flashcards by Cecily Russell, updated more than 1 year ago
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Created by Cecily Russell
about 9 years ago
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| Question | Answer |
| 1. What is an enzyme? 2. What does the S stand for in MRS GREN? 3. What is the enzyme that catalyses hydrogen peroxide called? 4. What to an enzyme happens if the pH changes? 5. What is diffusion? 6. What is osmosis? | 1. A biological catalyst 2. Sensitivity 3. Catalase 4. It becomes denatured 5. Movement of molecules from high concentration to low 6. Movement of water by diffusion, across semi-permeable membrane. |
| 1. When is active transport needed? 2. What do chloroplasts contain? 3. What is the chemical equation of photosynthesis? 4. Which type of respiration is used when there is oxygen available and what is the equation? | 1. If cell requires a molecule that won’t naturally diffuse/wants to dispose molecule that’s in higher concentration outside 2. Chlorophyll 3. 6CO2 + 6H2O --> C6H12O6 + 6O2 4. Aerobic: C6H12O6 + 6O2 ---> 6CO2 + 6H2O |
| 1. Word equation for anaerobic respiration in yeast? 2. Where are enzymes found in a cell? 3. Limiting factors of photosynthesis? 4. what substance is carried by xylem? 5. 2 examples of plant gametes 6. Give an example of a multicellular thing | 1. glucose --> ethanol + carbon dioxide 2. Mitochondria 3. Temperature, CO2, light 4. Water 5. Ovum, pollen. 6. Human |
| 1. What are unspecialised plant cells called? 2. What is a zygote? 3. What grown hormone do plants produce in phototropism? 4. What is produced by mitosis? 5. What is mitosis used for? 6. What is meiosis used for? | 1. Meristem cells 2. A fertilised cell 3. Auxin 4. 2 identical daughter cells 5. Growth, repair, asexual reproduction 6. Production of gametes |
| 1. What does DNA stand for? 2. What is the structure of DNA? 3. What are the 4 bases called in DNA? 4. What are proteins made of? 5. What can DNA do? 6. In stem cells, are all the genes switched on or off? | 1. Deoxyribonucleic Acid 2. Double helix, spiraled and joined by bases. 3. Cytosine, Guanine, Thymine, Adenine 4. Amino Acids 5. Replicate itself & code for proteins 6. Switched on |
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