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| non-renewable resource consisting of the buried remains of ancient plants that have been transformed by heat and pressure |
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| the removal of forest lands often to enable the development of agriculture |
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metabolic reactions occurring in call that result in the oxidation of macromolecules to produce atp.
glucose+oxygen=carbon dioxide+water |
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process by which plants along with algae and some bacteria, transform light energy into chemical energy.
carbon dioxide+water+light energy=glucose and oxygen |
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| a series of reactions that occur in the thylakoid membranes during photosynthesis and serve to convert energy rom the sun into energy stored in the bond of atp and involve oxygen. |
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| the retention of heat in the atmosphere by carbon dioxide and other greenhouse gases |
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| increase in average temperatures as a result of the release of increased amount of carbon dioxide and other greenhouse gases into the atmosphere |
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| a series of reactions that occur in the stoma of plants during photosynthess that utilize NADPH and ATP to reduce CO2 to produce sugar. |
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| a gas that contributes to the greenhouse effect by absorbing infrared radiation. eg.carbon dioxide and chlorofluorocarbons |
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| include; combustion of fossil fuels, industrial production processes and product uses, carbon sequestration and human activity |
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| either a natural or artificial resource that capture and stores carbon dioxide |
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| the series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration and the decay of dead organisms and the burning of fossil fuels. |
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| is the higher number and represents the pressure exerted by the blood against the walls of the blood vessels as the heart contracts |
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| is the lower number and is the pressure that exists between contractions of the heart when the heart is relaxing |
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| Low Density Lipoproteins(LDL's) |
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| distribute both the cholesterol synthesized bu the liver and the cholesterol derived from diet throughout the body. Have a high proportion of cholesterol |
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| HDL's(High-density lipoproteins) |
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Definition
| contain more protein than cholesterol, take access cholesterol from the body and return it to the liver where it is used to make bile. |
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| occurs when there is a sudden interruption in the supply of blood to the heart cause by the blockage of a vessel supplying the heart |
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| is a sudden loss of brain function that results when blood vessels supplying the brain are blocked or ruptured |
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| Why does obesity cause heart attack and stroke? |
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| the elevated blood pressure caused by obesity also damages the lining of blood vessels and the likelyhood that cholesterol will be deposited there |
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| nutrients that are required in large amounts in the body |
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| substances in food that provide structural materials and energy and molecules that can be broken down and used to repair, grow and maintain the body |
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| Complex carbohydrates are... |
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| multisubunit sugars that are composed of different branching chains of sugar monomers(vegetables, breads, legumes and pasta) |
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| is composed of complex carbs that humans cannot digest and is not a nutrient because it cannot be absorbed in the body |
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| are digested in the body slower than simple sugars because there are more chemical bonds to break. |
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| where to animals store their access carbs? |
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| glycogen in muscles and the liver(starch and glycogen are polymers of glucose |
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| protein rich foods include; |
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| beef, poultry, beans, eggs, nuts, dairy, spinach |
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| composed of amino acids that are bonded together in an infinite variety of combinations to produce an array of materials with different functions |
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| amino acids the body cannot synthesize on its own and must be supplied by food. |
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| a lipid and a source of energy for the body |
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| cannot be synthesized in the body and must be provided by diet |
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| The only vitamin the cells can synthesize. |
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| organic substances that are needed in small amounts, most function as co enzymes or molecules that help enzymes and speed up chemical reactions in the body, |
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| inorganic substances that are essential for many cell functions, they are water soluble |
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| foods that have not been stripped of their nutrition by processing |
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| nutrients that are essential to the body in minute amounts such as vitamins and minerals, the body cannot destroy them or use them for energy |
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| vitamins and other substances that protect the body from damaging effects of free radicals and play a role in the prevention of many diseases |
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| all of the physical and chemical reactions that produce and use energy |
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| proteins that regulate all metabolic reactions and speed up or catalyze the rate of reactions, help your body break down the foods you ingest and liberate energy stored in their chemical bonds |
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| proteins that regulate all metabolic reactions and speed up or catalyze the rate of reactions, help your body break down the foods you ingest and liberate energy stored in their chemical bonds |
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| the energy required to start the metabolic reaction serves as a barrier to a catalysis, without it chemical reactions would occur relentlessly |
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| the chemicals that are metabolized by an enzyme-catalyzed reaction |
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