cells and cellular respiration occurs in the mitochondria of animal cells. Photosynthesis uses water and carbon dioxide as reactants to produce glucose and oxygen where as cellular respiration uses glucose and molecular oxygen as reactants to produce water‚ carbon dioxide‚ and energy (ATP). Photosynthesis is a two part process which includes photophosphorylation (light reactions) and carbon fixation (dark reactions). Sunlight in the form of light energy is used to fuel the photophosphorylation process
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Lecture 7 1. What are the equations for a. b. atmospheric fixation c. biological fixation 2. 3. Why is unused ammonia or nitrate dangerous 4. Nitrate reductase d. e. Describe the structure f. How is it activated g. How does it perform its job h. How is it regulated 5. How are the levels of nitrate diff in parts of a plant 6. What are steps of the assimilation of nitrogen 7. What are the two types of GOGAT and
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to do with carbon. The second is to do with phosphorus. The third cycle is nitrogen. And the fourth cycle is sulfur. We will look at each one and how they impact humans and examples. Carbon effects human impact. “Human intrusion into the carbon cycle is significant. As we will see shortly‚ we are diverting (or removing) 40 % of the photosynthetic productivity of land plants to support human enterprises” (p. 67). Carbon is in the atmosphere and is very complex on our earth. The carbon atoms are
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This lead to life beginning in the ocean where scientists have traced back to an ancestral bryophyte (also known as freshwater green algae) that has‚ over time‚ developed a key process of making food by using the energy from sunlight to convert carbon dioxide and water into by glucose and oxygen. The plant life history also involves the "alternations of generations" that allows a plant to undergo meiotic/mitotic phases between the sporophyte(diploid) and gametophyte(haploid) generation. In leaves
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rate of photosynthesis is decreased by higher oxygen concentrations. Lower temperatures inhibit Rubisco and forces this enzyme to to work competitively. Rubisco works competitively because is actually binds itself to oxygen rather than binding to carbon dioxide because of the mere attraction. Therefore‚ in doing so‚ this activates photorespiration rather than photosynthesis. Photosynthesis in corn is different from photosynthesis in a tomato. Corn is part of CO4. CO4 plants are actually able to capture
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49 is the max amount of viewers available in slide - if you aren’t adding please allow others to Just to have some clarity between the answers‚ questions‚ etc. Questions in BLACK Answers in BLUE Side Questions in RED Explanations/Answers to side questions in ORANGE Other comments in ANY COLOR Unanswered study questions in GREEN Study Questions for Lectures 1-5 1. Give 2 definitions of “species” and explain the strengths and weaknesses of each. Morphological “species”: individuals
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all living things: carbohydrates‚ lipids‚ protein‚ and nucleic acids. Carbohydrates Almost all organisms use carbohydrates as sources of energy. In addition‚ some carbohydrates serve as structural materials. Carbohydrates are molecules composed of carbon‚ hydrogen‚ and oxygen; the ratio of hydrogen atoms to oxygen atoms is 2:1. Simple carbohydrates‚ commonly referred to as sugars‚ can be monosaccharides if they are composed of single molecules‚ or disaccharides if they are composed of two molecules
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sugar; c) amino acids; d) DNA • 2. The photosynthetic process removes carbon dioxide from the environment. a) water; b) sugar; c) oxygen; d) chlorophyll; e) carbon dioxide • 3. The process of splitting water to release hydrogens and electrons occurs during the light dependent process. a) light dependent; b) light independent; c) carbon fixation; d) carbon photophosphorylation; e) glycolysis • 4. The process of fixing carbon dioxide into carbohydrates occurs in the light independent process. a)
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pre-existing cells Living Things Unicellular: consisting of one cell Multicellular: composed of many cells ∝ All living things: grow and develop‚ regulate metabolic processes‚ move‚ respond to stimuli‚ reproduce AUTOTROPHS: manufacture their own organic carbon compounds from inorganic material ‒ Phototrophic: use light as an energy source for the production of organic molecules eg. All green (chlorophyll-containing) plants are phototrophic ‒ Chemosynthetic: derive energy from chemicals for use in the manufacture
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Categories: 1. Producers 2. Consumers 3. Detritus feeders and decomposers Producers = organisms that capture energy from the sun or from chemical reactions to convert carbon dioxide to organic matter Organic Matter vs. Inorganic Matter -Matter that makes up the bodies of living things generally characterized by the presence of carbon and hydrogen bonds. Most producers are green plants. 1. Autotroph i. Chemosynthetic bacteria ii. Green plants iii. Algae 2. Heterotroph i. Animals ii.
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