What this essay is about: Explain the role of derivatives of carbohydrates (glucosamine and vitamin C) in the management and treatment of osteoarthritis.
An overview of the contaminant including sources of the contaminant to the environment, any historical event that is related to the release of this contaminant and the chemical properties of the contaminant.
How does the contaminant move throughout the environment and where is it primarily found (air, water, soil, sediment…)
What organisms are exposed to this contaminant and and how is it taken up by the organism (dermal, inhalation, food….)
Does this contaminant bioaccumulate? If so, what are the factors that influence this bioaccumulation?
What is the toxicity mechanism of this contaminant (who do is affect, does the toxicant act at the molecular, cell, tissue or organ level, is the toxicity lethal or sublethal…).
Describe the effect of this contaminant at the population and ecosystem level.
Are there any regulations in place for this contaminant?
Summary: one to two paragraph summary
The reference list and citations throughout the paper should be formatted using the criteria for the journal Environmental Chemistry and Toxicology. The paper needs to include a minimum of 20 citations in APA format.
Identify a snack (or meal) that you have eaten. Indicate the amount of carbohydrates in each serving of the food source. Calculate the energy content (with proper unit) provided from only the carbohydrates present in one serving of the item. Keep in mind that calorie (cal) and Calorie (Cal) are not the same.
Include the following in your discussion:
Identify the food source (detailed; i.e. four Ritz low sodium crackers)
Serving size
Amount of carbohydrates in a single serving
Carbohydrate Calorie content calculation per serving (reported with two significant figures and correct unit).
To what extent does an increase in the mass (g) of a catalyst manganese dioxide (Mno2) affect the activation energy in the decomposition of (H2O2)?
Write an essay about how does the increase of manganese dioxide affects the decomposition of hydrogen peroxide.
Explain how solar electricity can be used to replace crude oil as a more acceptable source.
Provide the name of an organic compound that may be used in everyday life (e.g. medications, fuels, vitamins, illegal drugs, etc.). Indicate the purpose/use of the compound and identify a minimum of three functional groups present in the molecule. At least one functional group should be identified from each of the following categories:
hydrocarbons: alkene, alkyne, aromatic
carbon-heteroatom (single bond): alcohol, phenol, thiol, ether, amine
carbonyl groups: aldehyde, ketone, carboxylic acid, ester, amide
Lab 3: Protein Quantification Report
Data you will need:
hen egg white lysozyme extinction coefficient: 36,000 M-1cm-1
hen egg white lysozyme molecular weight: 14,313 g/mol concentration of your lysozyme stock solution: mg/ml (get this from your TAs)
| Amt stock solution | Amt water | Total volume | Conc (mg/ml) | Conc. (mM) |
Identify an unknown drugs by Thin layer chromatography, infra red spectroscopy and melting point. The word count includes tables and references. do not use websites as references.
TASK: Write a research report in about 500 words, in which you will:
Instructions:
Watch the YouTube video.
Write an essay explaining the Bohr Model of the atom. The essay should include; why this model was needed, the main postulates of the model and the limitations of the model. The essay should have a minimum of 300 words and a maximum of 500 words.
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