PPT-The Nitrogen Cycle Revision

Learning Objectives To understand that the Nitrogen Cycle is composed of the following processes To be able to use this information to answer exam questions where applied knowledge is required. Important nutrients, and energy is cycled in ecosystems.. Water cycle. Carbon cycle. Nitrogen . cycle. Phosphorus . What four elements make up over 95% of most organisms?. Oxygen. Carbon. Hydrogen. Nitrogen. Water cycle. Carbon/Oxygen Cycle. Nitrogen Cycle. W.C. is a continuous process in which water moves from Earth’s surface into the atmosphere and back.. There are 3 main parts. Evaporation: . the process by which liquid water becomes a gas. Generalized Cycle. There are several natural cycles within an ecosystem.. Materials are continually being reused. There is no net loss of materials. Therefore life within the ecosystem is not challenged.. Nitrogen cycle – Important steps. Stage1 – Entry and Accumulation. Ammonia is introduced into the water via tropical fish waste, uneaten food, and decomposition. These will break down into ammonia (NH3). Ammonia is harmful to tropical fish.. Please Do Now: What kind of Nitrogen is the typical end product of the process of decomposition?. Agenda. Do Now. Humans and the Nitrogen Cycle. Sick Fish video. Quiz time YAY!. Remember. Most of the Nitrogen on earth is in the atmosphere, as N2 gas (78% of the air we breathe) . Chapter 30, . Stryer. Short Course. Overview. Amino Acid Catabolism. Nitrogen removal. Urea Cycle. Metabolism of carbon backbone. Amino acid catabolism. Amino acids . from diet or protein turnover. Salvaged for use in proteins or catabolized. “The little bit I use or pollute will not matter”. . So with few users it is not a big problem, however; will an ever increasing human population, resources can be exhausted. . Sustainability. Nitrogen Metabolism. Nitrogen Forms in the Body. Nitrogen Balance Critical. Body Must Make and Break Down Amino Acids. Nitrogen Also Needed for Synthesis of. Nucleotides (ATP, GTP, CTP, UTP, dATP, dCTP, dGTP, dTTP). To make protein. Enzymes. Antibodies. Muscle. Explain why nitrogen atoms are . able to cycle. .. Atoms are . not created or destroyed. during chemical reactions. Only . bonds. change. N. N. N. N. N. Learning Objectives. To understand that the . Nitrogen Cycle . is composed of the following processes:. To be able to use this information to answer exam questions where applied knowledge is required.. 5.1 Energy Flow in Ecosystems. 5.2 The Cycling of Matter. 5.3 How Ecosystems Change. Objectives. Describe. . how energy is transferred from the sun to producers and then to consumers.. Describe. . one way in which consumers depend on producers.. NITROGEN CYCLE Where is nitrogen found in the environment The largest single source of nitrogen is in the atmosphere . Nitrogen makes up 78% of our air! What happens to atmospheric nitrogen(N 2 Nitrogen and Carbon Cycle Unit 4 – Nutrient Cycles in marine ecosystems The Nitrogen Cycle 78% of troposphere is N 2 , 0% utilized in respiration Present in proteins, moves through food chain Most complex cycle Take a deep breath! . 78% of the air you just breathed . in is . made up of nitrogen gas. . Your body . requires nitrogen . to. build . proteins, . amino . acids, . and. DNA. , but your body . cannot .