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32 Cards in this Set
- Front
- Back
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What is bone made of? |
Flexible fibres and hard minerals. |
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What is bone? |
A living tissue. |
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What is a joint? |
The meeting between two bones. |
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What is the difference between a ball and socket and hinge joint? |
A ball and socket joint has more than one plane of movement e.g. shoulder or hip joint. A hinge joint has 1 plane of movement e.g. elbow or knee joint. |
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What are carbohydrates composed of? |
Carbon, hydrogen and oxygen. |
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What is the difference between simple and complex carbohydrates? |
Glucose is simple and starch is complex. |
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What is the test for complex carbohydrates? |
Iodine is the test for complex carbohydrate starch. |
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What is the test for simple carbohydrates? |
Benedict's solution and Clinistix can be used to test for glucose. |
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What are proteins made of? |
Long chains of amino acids. |
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What are proteins used for? |
Growth and repair. |
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What can proteins be tested for using? |
Biuret solution or Albustix. |
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What does a fat molecule contain? |
A glycerol and 3 fatty acids. |
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What are definitely required for a healthy diet? |
Vitamins and minerals. |
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What is the heart? |
A muscular pump. |
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What does the heart contain? |
4 Chambers, left and right ventricles and atria. |
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What do arteries do? |
Carry blood away from the heart. |
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What do veins do? |
Carry blood towards the heart. |
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I know that capillaries... |
Travel through tissues. |
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What is respiration? |
When energy is released from food. |
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How is energy stored? |
As the high energy compound ATP. |
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Glucose+oxygen+38 ADP+38 Pi= |
CO2+H20+38ATP. |
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What takes place in the absence of oxygen? |
Anaerobic respiration. |
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In animals what does anaerobic respiration produce? |
Lactic acid. |
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In plants what does anaerobic respiration produce? |
Ethanol and carbon dioxide. |
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What does a catalyst do? |
Speeds up a reaction without being used up itself. |
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What are enzymes? |
Biological catalysts. |
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What do enzymes do? |
Speed up reactions in living things and are very important for life. |
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How many substrates are for each enzyme? |
They are specific, one substrate for each enzyme. |
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What does the substrate do? |
It binds to the active side of an enzyme. |
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What do enzymes control? |
Synthesis reactions (build up) and degradation reactions (break down). |
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How do enzymes work best? |
In their optimum temperatures. |
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What are enzymes affected by? |
Temperature and pH. |
