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- Antifungal Activity of Red Dragon Peel (Hylocereus polyrhizus)ⓒ Rudi Hendra et al 2020 IOP Conf. Ser.: Mater. Sci. Eng. 833 012014 STATE THE HYPOTHESIS (In if-then format): Plants, when extracted, can produce dyes and the extracts have been used for different purposes such as the textile or food industry [1]. One potential plant that can be used as a natural dye is dragon fruit (Hylocereus cacti) or by another name Pitaya. Wybraniec and coworkers reported that dragon fruit has a potential as a source to produce red pigment and it's called betalains [2]. Betalain is a water-soluble pigment that gives color to flowers and fruits. Betalain pigments are divided into two groups, namely betacyanin which produces purplish red and betaxanthin which produce yellow-orange colors [2, 3]. In the dragon fruit peel, it is also containing pigments which are usually only discarded as food waste and have not been used optimally. This is very unfortunate because the fruit of the dragon fruit itself has…Question 2 Briefly explain how the antioxidant activities of tocochromanol natural products can be correlated to their chemical structures. Illustrate your answer with suitable chemical structures and reaction mechanisms. HO "Dandidad tocotrienolTrace the route of the nutrients NH4+ carried by river runoff to a seagrass ecosystem. Indicate the specific process involved (e.g., nitrification, denitrification, etc.) and the chemical form (e.g., NH +, NO -, etc) at each step of transformation. Write your (short) answers in the numbered blanks below each illustration.
- Determining the surface area of biological materials is important for calculation and/or modeling of transpiration, respiration rate, soil nutrient uptake, cardiac output, chemotherapy dosage, heat transfer, etc. Using the tables from "Biology for Engineers" by Arthur Johnson (uploaded to Canvas in the Physical Properties of Biomaterials Tables file) and equations discussed in class, calculate the surface area of a Hereford bull (1106.7 lb) and compare it to that of the tallest man in U.S. history (8.0 ft 11.0 in tall and 439.0 lb according to the Guinness World Records). Quantify the comparison of surface areas rather than simply saying one is greater than the other. Reference: https://www.guinnessworldrecords.com/news/2022/6/the-tragic-death-of-robert-wadlow-the- tallest-man-ever-708849 A soil sample was taken for bulk density determination using a core sampler which is cylindrical in shape (see below). Calculate the soil bulk density, also known as dry bulk density, for a 187.4 g…how are SDS-PAGE and BN-PAGE techniques used determine the composition of protein-photosynthetic complexes? also how do they work? please be thorough in the explanation!Please sir if you can't solve stepwise with explanation in each step and also given information and final answer Along with the concept and also showing excel formula (wherever needed) please skip , if yes pls solve ill definitely rate the solution and dont do handwritten.. its one question only steps are given on how to proceed so do all its one question only , thanks Much concern has been expressed regarding the practice of using nitrates as meat preservatives. In one study involving possible effects of these chemicals, bacteria cultures were grown in a medium containing nitrates. The rate of up take of radio-labeled amino acid (in dpm, disintegrations per minute) was then determined for each culture, yielding the following observations: 7251 6871 9632 6866 9094 5849 8957 7978 7064 7494 7883 8178 7523 8724 7468 Suppose that it is know that the mean rate of uptake for cultures without nitrates is 8000. Do the data suggest that the addition of nitrates results in a decrease in the…
- QUESTION 9 What are the various ways of dispensing heparin in a biomaterial? Compare and contrast.Make single cell protein(SCP) animal feed from cassava effluent (mainly starch). The effluent is obtained from pressing of crushed fresh cassava pulp generated by gari processing factory. Using Saccharomyces cerevisiae strain; (a) Select and describe fermentation process for the SCP production stating the conditions involved (b) State the monitory measures you would consider for the yield of production (c) State how the product can be verified for animal feedingQUESTION All of the following are examples of producers EXCEPT: - Polytrichium commune, hair cap moss - Amanita bisporigera, destroying angel mushroom - Theobroma cacao, cacao tree - Zea mays, maize - Onoclea sensibilus, sensitive fern Thank you for answering :)
- J. C. Servaites, in Plant Physiol. (1985) 78:839–843, observed that Rubisco from tobacco leaves collected before dawn had a much lower specific activity than the enzyme collected at noon. This difference persisted despite extensive dialysis, gel filtration, or heat treatment. However, precipitation of the predawn enzyme by 50% (NH4)2SO4 restored the specific activity to the level of the noon-collected enzyme. Suggest an explanation.Question:1) Is ascorbic acid higher in stems or leaves? Does boiling affect ascorbic acid content? If you were a dietician, how might this knowledge impact communication with your patients? From greatest to least, rank lemons, blueberries, jalapeno, and corn in their ascorbic acid content. What is another name for ascorbic acid, and where is it found in nature, i.e. what organisms do and do not synthesize ascorbic acid? What is the function of ascorbic acid in plants? Does it have a role in humans? Describe why or why not. What do you expect to have a higher ascorbic acid content: spinach roots or leaves? Rationalize your choice. What do you expect to have a higher ascorbic acid content: cabbage boiled or not boiled? Rationalize your choice.Table 4. Rates of saponification at 35°C. Ester k(M-' sec") k, relative* (CH,O),PO, 2.0 x 10 3.4 x 10-4 1.0 x 10-2 1.0 2 x 10 5 x 10 CH,CO,C,H, "Rate relative to that of (CH,O);PO;". Question 3 Table 4 lists the rates of base catalyzed hydrolysis (saponification) for several different esters. Using your understanding of nucleic acids chemistry, explain why hydrolysis of the phosphodiester is slow compared to the phosphotriester and ethyl ester.