{"id":5897,"date":"2013-05-14T18:04:43","date_gmt":"2013-05-14T18:04:43","guid":{"rendered":"https:\/\/schooltutoring.com\/scholarship\/?p=5897"},"modified":"2014-12-02T08:27:02","modified_gmt":"2014-12-02T08:27:02","slug":"mixtures-and-compounds-in-living-organisms","status":"publish","type":"post","link":"https:\/\/schooltutoring.com\/scholarship\/2013\/05\/14\/mixtures-and-compounds-in-living-organisms\/","title":{"rendered":"Mixtures and Compounds in Living Organisms"},"content":{"rendered":"

Overview<\/strong>
\nMixtures and compounds are important combinations of elements.\u00a0 They are essential to the chemical processes that support living things, as well as those that occur every day in nonliving objects.\u00a0 The basic difference is that elements and molecules in mixtures remain the same substances, and compounds result from chemical reactions, forming chemical bonds.<\/p>\n

Solutions<\/strong>
\nOne common type of mixture is a solution, in which molecules of one substance are dissolved in another substance, but neither substance changes what it is.\u00a0 For example, a simple solution of sugar water that is safe to use in hummingbird feeders contains 4 parts water to every part of sugar.\u00a0 The mixture is stirred and boiled to remove impurities, but neither the sugar or water are changed to form the solution.\u00a0 In the same way, the oxygen dissolved in water is available for fish to use.<\/p>\n

Suspensions<\/strong>
\nSuspensions are another common mixture found in living things.\u00a0 Unlike solutions, particles that are mixed with liquid are larger than individual molecules.\u00a0 For example, pond water that is full of silt looks cloudy, and the silt will eventually fall to the bottom of the pond.\u00a0 Red and white blood cells are suspended in blood plasma.<\/p>\n

Colloids<\/strong>
\nColloids are a special type of suspension that combine some of the features of a solution with some of the more typical features of a suspension.\u00a0 That is because the particles suspended in the solvent are too small to sink to the bottom of the suspension but too large to dissolve and make a solution.\u00a0 The best example of the colloid in biology is the cell interior.\u00a0 The structures within the cell remain suspended, as do food particles within the cell.\u00a0 This allows cells to use food and their interior parts to remain in the same relationship.<\/p>\n

Compounds<\/strong>
\nCompounds differ from mixtures in that a new substance is formed by a chemical reaction.\u00a0 For example, water is a compound of hydrogen and oxygen.\u00a0 Two colorless gases combine to form a substance that is necessary to life .\u00a0 Even though both hydrogen and oxygen are highly flammable in their pure state as separate elements, their compound water is used to put out fires.\u00a0 Compounds are formed from elements when their electrons are bonded in chemical reactions, and those chemical reactions release the energy needed to support life.<\/p>\n

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Overview Mixtures and compounds are important combinations of elements.\u00a0 They are essential to the chemical processes that support living things, as well as those that occur every day in nonliving objects.\u00a0 The basic difference is that elements and molecules in mixtures remain the same substances, and compounds result from chemical reactions, forming chemical bonds. Solutions […]<\/p>\n","protected":false},"author":22,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[3,5,16],"tags":[310,1132,1683,1792],"class_list":["post-5897","post","type-post","status-publish","format-standard","hentry","category-biology","category-chemistry","category-science","tag-colloids","tag-mixtures","tag-solutions","tag-suspensions"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts\/5897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/comments?post=5897"}],"version-history":[{"count":0,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/posts\/5897\/revisions"}],"wp:attachment":[{"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/media?parent=5897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/categories?post=5897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schooltutoring.com\/scholarship\/wp-json\/wp\/v2\/tags?post=5897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}