transport pathway. This study used DPIP dye as an artificial electron acceptor in determining the effects of two herbicides on photosynthetic electron transport by isolated thylakoids of Zea mays leaves. DPIP in analysed by color changes it exhibits – it is blue in its oxidized form and turns colorless when reduced. The shikimate pathway is a biosynthetic sequence in plants to produce the aromatic amino acids phenylalanine‚ tyrosine‚ and tryptophan. One of the enzymes of the pathway‚ EPSP (5-enolpyruvylshikimate-3-phosphate)
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specific shapes that fit into one another like a lock and key as illustrated in figure 1 and 2 below. Enzymes (Figure 1‚ https://encrypted-tbn3.gstatic.com) (Figure 2‚ http://en.wikipedia.org) work together in specific orders and create metabolic pathways; this is how enzymes take on the product of other enzymes as substrates. In doing so‚ catalytic reactions occur and the products formed are then passed onto another enzyme. Enzymes work by lowering the activation energy for reactions; this speeds
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1 Western Governors University 2 Hereditary Fructose Intolerance Metabolism is the process of cellular respiration. It involves three steps‚ 1) glycolysis‚ 2) the citric acid or Krebs cycle and 3) electron transport system. The glycolytic pathway or glycolysis is a metabolic process that leads to the formation of the energy source adenosine triphosphate (ATP) in the body. ATP is essential to the cell and the cellular processes used by the cell. The first step‚ glycolysis is the process
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The metabolite fructose 1-phosphate (F 1-P) is accumulated with heredity fructose intolerance. One explanation for how this leads to disease is that it leads to trapping of a phosphate in F 1-P. This buildup of phosphate causes a decrease in the amount of free phosphates‚ which then results in a decreased amount of ATP. Less ATP affects the ability for some cellular processes to occur. One process that this affects is glycogenolysis. If glycogenolysis is impaired‚ this causes low blood glucose (hypoglycemia)
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you can compare to the diagram above. Normally such numbers would be omitted form a diagram. These shorthand diagrams allow organic molecules to be drawn faster. There are examples further down the page of this type of diagram. Ribose: Pentose (5 carbon sugar). Ribose is part of one the important organic molecules in
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What is it composed of? Where is it found? What is it shaped like? Answer in full sentences. It is the genetic material that can be passed on from parent to offspring DNA --> Deoxyribonucleic acid It composed of Deoxyribose (5 carbon sugar)‚ a phosphate and a Nitrogonous base (the 4 N-bases are Guanine‚ Cytosine‚ Adenine and Thymine) It is a double helix (looks like a twisted ladder.) DNA is found in the nucleus of most cells Go to www.dnai.org > Timeline Visit the above website‚ read a
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(c) energy can be extracted in usable amounts (d) more CO2 is produced for a given amount of glucose oxidized 13-4 The final metabolite produced by glycolysis is ___________. (a) acetyl CoA (b) pyruvate (c) 3-phosphoglycerate (d) glyceraldehyde 3-phosphate 13-5 Glycolysis generates more stored energy than it expends. What is the net number of activated carrier molecules produced in this process (number and type of molecules produced minus the number of those molecules used as input)? (a) 6 ATP‚ 2
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What are the monomers and polymers of nucleic acids? * Monomers: Nucleotides(nitrogenous base‚ pentose sugar‚ phosphate) * Polymers: DNA and RNA 34. What are the three types of RNA and what does each do? * mRNA: carries the DNA code into the cytoplasm where protein synthesis occurs * tRNA: reads the code and carries the amino acid to be incorporated
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which acts as a short-term energy store in cells. All living organisms need energy to drive their metabolic reactions. A molecule of ATP consists of one adenosine molecule and three phosphate groups. One molecule can be hydrolysed to produce one molecule of adenosine diphosphate (ADP) plus one inorganic phosphate (Pi). This hydrolysis reaction releases 30.6kJ of energy so energy is immediately available to all cells in small amounts that will not damage the cell or be wasted. P P P ATP is
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immediate source of energy for an endergonic reaction? *ATP Part G: The reaction ADP + P --> ATP is a(n) _____ reaction. *Endergonic Part H: The energy for an endergonic reaction comes from a(n) _____ reaction.*Exergonic Part I: What is the fate of the phosphate group that is removed when ATP is converted to ADP?*it is acquired by a reactant in an endergonic reaction. Part J: This graph illustrates a(n) _____ reaction.*Endergonic Part K: Select the INCORRECT association. *Exergonic….uphill Part L: What is
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