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Enzyme - Free Essay Examples and Topic Ideas

Enzymes are proteins that act as catalysts for chemical reactions in the body. They speed up reactions by lowering the activation energy required for them to occur. Enzymes are highly specific, meaning that they only catalyze certain reactions and will only work under specific conditions such as pH and temperature. Without enzymes, many of the chemical processes that occur in the body would take too long to happen or would not happen at all.

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  1. 1
    The Affect of Hydrogen Peroxide on the Liver
    Words • 527
    Pages • 2

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    Paper Type:500 Word Essay Examples
    Aim: "To see what factors affect the decomposition of hydrogen peroxide by the enzyme catalase which is found in the liver" Introduction: Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living things. Without them the reactions would be so slow that life would grind to a halt. Enzymes work by when a substrate molecule bumps into a molecule of the right enzyme, it fits into a depression on the surface of the enzyme molecule.…
    ChemistryEnzymeHydrogenMaterials
  2. 2
    Shirley Tomato Plants Investigation Analysis
    Words • 1141
    Pages • 5

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    Paper Type:1200 Word Essay Examples
    When looking at the graphs to show how the Shirley tomato plants grew, it is clear to see how each plant differed according to the feed used. Plants 1 and 2 were fed with Tomorite, plants 2 and 3 with Bio and plants 5 and 6 were controlled (only the nutrients found in the soil). From the ratios, we can see that Bio has three times the amount of nitrogen as Tomorite. In addition, Tomorite has double the amounts of…
    BiologyCellular RespirationChemistryEnzymePhotosynthesisPlants
  3. 3
    How Temperature Effect On Anaerobic Respiration In Yeast?
    Words • 1808
    Pages • 7

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    Paper Type:1800 Word Essay ExamplesCause And Effect Essay
    Enzymes are the tools of life. They do almost everything in a cell. Virtually every one of life's chemical reactions is driven by some enzyme. Enzymes are organic catalysts that work like a starter on a car. With a small input of energy from the starter, a car can run on its own energy all day. They don't get not used up or changed when they "jumpstart" another molecule. They can perform the same task over and over working very…
    Anaerobic RespirationCellular RespirationChemistryEnzymePhysicsWater
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  4. 4
    Pectinase concentration impact on pectin degradation
    Words • 6736
    Pages • 25

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    Paper Type:7000 Word Essay ExamplesSimilarities and Differences Essay
    Aim: My aim is to find out how different concentrations of the enzyme pectinase affect the degradation of the substrate pectin, and hence the volume of clarified apple juice produced in a specific duration of time. Hypothesis: Will different enzyme concentrations have different effects on the yield of clarified apple juice obtained from apple pulp of equal masses, in a given time? Biological Knowledge: Enzymes are a class of proteins, which are biological catalysts responsible for speeding up and controlling…
    ConcentrationEnzyme
  5. 5
    The Significance of Kinases in Biological Catalysis and Phosphorylation
    Words • 2029
    Pages • 8

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    Paper Type:2000 Word Essay Examples
    Abstract Kinases are important enzymes in many biological reactions as they catalyze the transfer of a phosphoryl group from ATP to an acceptor. Protein kinase A is a type of kinase that is activated by cAMP (Berg, Tymockzo, Gatto & Stryer, 2015). Measuring protein kinase A activity is important for accuracy when set amounts are used in subsequent experiments. A fast-reliable method to measure protein kinase A activity is with an indirect enzyme linked immunosorbent assay (Lin, 2015). Protein kinase…
    BiologyChemistryEnzyme
  6. 6
    The Backdrop Of Genetically-Engineered Proteolytic Bacteria For Functional Foods
    Words • 549
    Pages • 2

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    Proteases are important for living organisms and they can be found everywhere. Proteases are the key enzymes in industrial applications. Microbial protease plays an important role in the biotechnological process. Proteases constitute one of the most important groups of enzymes both industrially and academically. Proteases are the enzymes that hydrolyze proteins by the addition of water across peptide bonds and catalyze peptide synthesis in organic solvents with low water content [Sookkheo et al., 2000; Ishtiaq ahmed et al., 2010]. Proteases…
    BiologyChemistryEnzymeFoodGenetic EngineeringGenetics
  7. 7
    The structural composition of purified noroleanane
    Words • 1061
    Pages • 4

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    Paper Type:1000 Word Essay Examples
    From the structural composition of purified nor-oleanane triterpenoids compounds, it is noticeably that inhibitory activities decline after the substitution of C-28 by sugar moieties. According to Liu et al, 2016, a free carboxylic group at C-28 is essential for XOD inhibition. The compounds brachyantheraoside B4 and L-rhamnopyranosyl-(1?2)- ? -L-arabinopyranosyl-30- norolean-12,20(29)-dien-28-oic acid) demonstrated the highest XOD inhibitory activities in comparison to (brachyantheraoside D1) since the hydroxyl group oxidation (brachyantheraoside B4), or exocyclic double bond (L-rhamnopyranosyl-(1?2)- ? -L-arabinopyranosyl-30- norolean-12,20(29)-dien-28-oic acid) at C-20…
    CompositionEnzymeOrganic Compounds
  8. 8
    Mast cell peptidases (CPA and chymase)-mediated hydrolysis of
    Words • 1489
    Pages • 6

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    Paper Type:1400 Word Essay Examples
    3. ResultsAs shown in Figure 1, a highly pure (purity ?98%) radiolabeled human 125I-Ang-(1-12) substrate was used in CPA and hrChymase-mediated hydrolysis studies. The purity of radiolabeled 125I-Ang-(1-12) was routinely checked on the HPLC to make sure that 125I-Ang-(1-12) peptide was not degraded at the time it was used for enzymatic hydrolysis.Figure 2, illustrates the HPLC chromatogram of the hydrolytic products generated from 125I-Ang-(1-12) substrate by CPA alone. We found that CPA sequentially metabolized the 125I-Ang-(1-12) into Ang-(1-9) [53% (major…
    BiologyChemistryEnzyme
  9. 9
    Enzyme Catecholase’s Effect on Catalyzing Catechol to Benzoquinone
    Words • 331
    Pages • 2

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    Paper Type:350 Word Essay ExamplesCause And Effect Essay
    Enzymes are defined as proteins that catalyze, or speed up chemical reactions Enzymes work on molecules known as substrates, and change them into different molecules. Enzymes have been used in a variety of ways since their discovery from the making of high-fructose corn syrup by processing starch into sugar (2) to manipulating DNA for use in PCR reactions and tissue browning. Most enzymes are very specific as to which substrates they work on (3). The reason enzymes are specific to…
    Enzyme
  10. 10
    Lab report on pineapple and jello
    Words • 793
    Pages • 3

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    Paper Type:750 Word Essay Examples
    Enzymes are very efficient catalysts for biochemical reactions. They speed up reactions by providing an alternative reaction pathway of lower activation energy. Like all catalysts, enzymes take part in the reaction - that is how they provide an alternative reaction pathway. But they do not undergo permanent changes and so remain unchanged at the end of the reaction. They can only alter the rate of reaction, not the position of the equilibrium. Enzymes are usually highly selective, catalyzing specific reactions…
    Apple IncEnzymePineapple
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  11. 11
    Effects of pH on Amylase Activity
    Words • 1900
    Pages • 7

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    Paper Type:1800 Word Essay ExamplesCause And Effect Essay
    Abstract: Amylase is an important enzyme in the human body as it allows for the consumption of starch by breaking the polysaccharide down into maltose units. All enzymes, including amylase, function best at a certain optimal pH. Therefore, in this experiment, the effect of different pHs on the reaction rate of amylase is studied. It was hypothesized that the amylase-starch reaction would proceed fastest at a pH closest to that of the body, or 7.0, since that is where the…
    ActivityEnzyme
  12. 12
    The Effect of pH on Enzymatic Reaction Rate
    Words • 1220
    Pages • 5

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    Paper Type:1200 Word Essay ExamplesCause And Effect Essay
    Abstract Enzymes are affected by changes in pH. The most favorable pH value— the point where the enzyme is most active—is known as the optimum pH. This experiment was conducted to determine the effect of pH reaction rate on an enzyme, catalase, from yeast. The experimental results indicate that the catalase worked best at a neutral pH level of seven (7). Introduction An enzyme is a protein molecule that serves as a catalyst. “The basic function of an enzyme is…
    Enzyme
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