Term
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Definition
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Term
| nucleus, membrane, cytoplasm |
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Definition
| three parts of an animal cell |
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Term
| chloroplast, vacuole, cell wall |
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Definition
| three parts of a plant cell (not found in animal cell) |
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Term
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Definition
| part of the cell that contains the genetic information |
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Term
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Definition
| location of many of a cell’s reactions |
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Term
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Definition
| controls what enters and leaves the cell |
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Term
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Definition
| the site of photosynthesis In plant cells |
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Term
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Definition
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Term
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Definition
| surrounds plant cells and gives them support |
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Term
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Definition
| cells that have special features that allow them to perform their functions effectively |
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Term
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Definition
| cells that form a pore called a stomata for gas exchange |
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Term
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Definition
| hollow tubes to transport water with rings of lignin to strengthen the walls |
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Term
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Definition
| cells that have a large surface area for absorbing water from the soil |
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Term
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Definition
| movement of molecules from an area of high concentration to an area of low concentration |
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Term
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Definition
| the difference in concentration between two areas |
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Term
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Definition
| chemical used to test for starch |
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Term
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Definition
| colour change for positive starch test using Iodine |
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Term
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Definition
| chemical used to test for sugar |
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Term
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Definition
| colour change for positive sugar test with Benedict’s solution |
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Term
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Definition
| size of molecules that can diffuse across the cell membrane |
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Term
| glucose, oxygen and carbon dioxide |
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Definition
| three examples of small molecules that can diffuse across cell membranes |
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Term
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Definition
| process needed to make more cells for growth of organisms and repair of damaged tissues |
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Term
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Definition
| after cell division the daughter cells must have the same number of these as the parent cells |
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Term
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Definition
| what happens to the total number of cells in a population when the cells divides |
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Term
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Definition
| type of cell that undergoes uncontrolled cell division |
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Term
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Definition
| two types of radiation that increases the risk of cancer |
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Term
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Definition
| when certain members of the population are tested for diseases before they have any symptoms |
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Term
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Definition
| food, fuel, raw materials, medicine, aesthetics (make surroundings look nice) |
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Term
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Definition
| process that plants use to make glucose |
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Term
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Definition
| the way glucose is stored in a plant |
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Term
| light energy to chemical energy |
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Definition
| energy change that takes place in plants as a result of photosynthesis |
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Term
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Definition
| structure in plants cells that contains the chlorophyll |
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Term
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Definition
| green pigment in plant cells that absorbs light energy for photosynthesis |
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Term
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Definition
| two raw materials of photosynthesis |
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Term
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Definition
| two products of photosynthesis |
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Term
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Definition
| a plant whose leaves have areas that lack chlorophyll and are white |
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Term
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Definition
| the variable that is changed in an investigation |
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Term
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Definition
| the variable that is measured as the results in a an investigation |
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Term
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Definition
| an experiment set up to compare results when no treatment is applied. |
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Term
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Definition
| measure of confidence in the results that is increased by repeating experiments |
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Term
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Definition
| all other variables are controlled to ensure any effect is likely to be due to the variable being changed. |
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Term
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Definition
| something in an experiment that has the potential to cause harm |
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Term
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Definition
| the probability of a harmful event occurring |
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