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Biology100
| Question | Answer |
|---|---|
| Allowing only certain substances to pass through | cell membrane |
| The living transport tissue in plants which carries sugars around the plant | phloem |
| specialised for certain functions | differentiated |
| Different forms of the same gene | alleles |
| Hormone involved in the control of blood sugar levels | insulin |
| The amount of biological material in an organism | biomass |
| A substance that speeds up the rate of another reaction but is not used up or changed itself | catalyst |
| A micro-organisms that break down waste products and dead bodies | decomposers |
| the process by which plants make food using carbon-dioxide, water and light energy | photosynthesis |
| The site of aerobic cellular respiration in a cell | mitochondria |
| Asexual cell division where two identical daughter cells are formed | mitosis |
| Factors which limit the rate of a reaction eg photosynthesis | limiting factors |
| Organs which filter the urea excess, salt and water | kidneys |
| The process by which food molecules are broken down using oxygen to produce energy for the cells |