Anthocyanins are another type of plant pigment that are purple or red. Say you run a chromatography experiment using the same setup as you did in this lab, and you find that anthocyanins do not move from the line of origin. Assuming the solvent traveled the same distance as in your experiment (D in Table 1 above), what is the Rf value of anthocyanin?
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- Anthocyanins are another type of plant pigment that are purple or red. Say you run a chromatography experiment using the same setup as you did in this lab, and you find that anthocyanins do not move from the line of origin. Assuming the solvent traveled the same distance as in your experiment (D in Table 1 above), what is the Rf value of anthocyanin?
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- Two groups of tomatoes were grown under laboratoryconditions, one with humus added to the soil and one acontrol without humus. The leaves of the plants grownwithout humus were yellowish (less green) compared withthose of the plants grown in humus-enriched soil. The bestexplanation is that(A) the healthy plants used the food in the decomposing leavesof the humus for energy to make chlorophyll.(B) the humus made the soil more loosely packed, so waterpenetrated more easily to the roots.(C) the humus contained minerals such as magnesium andiron needed for the synthesis of chlorophyll.(D) the heat released by the decomposing leaves of the humuscaused more rapid growth and chlorophyll synthesis.The following four chemicals commonly found in defined growth media contain all of the necessary atomic macronutrients, namely C, O, N, H, S and P, which microbes require: glucose (C6H12O6), K2HPO4, MgSO4.7H2O, and (NH4)HPO4. Part a. Create a simple diagram to map which growth media chemical contributes atoms to which of the four biological macromolecules (amino acids, polysaccharides, lipids, and ribonucleic acids). Part b. Consider a cell culture broth that originally (before inoculation with cells) contains 5.0 gr/L glucose (C6H12O6), 1.2 gr/L K2HPO4, 0.3 gr/L MgSO4∙7H2O, and 1.0 gr/L (NH4)HPO4. Create a table showing how much of each of the different atoms (C, H, O, K, P, Mg, S, N) are available for incorporation into cell macromolecules (assume 50% of the glucose is catabolized, while the remainder goes for energy (respiration). Express your answers with units of grams of atomic species / liter of culture broth.Yeast cells has been cultured on glucose (Table 1). The growth data follows the Monod Equation Table 1: Growth data for yeast cells Glucose concentration (mg/L) 7 10 15 40 200 1000 Specific growth rate (h*¹) 0.066 0.088 0.12 0.294 0.330 0.364 0.419 0.451 0.2 0.304 0.340 0.458 Observed yield, Y'x/s (g/g) a) Calculate the maximum specific growth rate (max) and the substrate constant (Ks) b) Estimate the true yield Y'x/s and the maintainance coefficient ms c) Calculate the doubling time at a concentration of 15 mg/L glucose d) Calculate the substrate consumption rate (rs) assuming a substrate concentration of 40 mg/L and a biomass concentration of 100 mg/L
- At equivalence point in a precipitation titration of Br- with AgNO3, pAg _____ pBr. Group of answer choices > < =Consider the following structure. CO₂CH2CH3 CO₂CH2CH3 This substance could be produced by the reaction of the following diene and dienophile. diene + dienophile H CO,CH,CH3 སངས་ CH3CH₂O₂C True FalseAnswer the following questions. Why is 80% ethyl alcohol is considered as the solvent of choice during phytochemical screening? What are the different types of extraction? Differentiate each. Differentiate Primary versus Secondary Metabolites and give examples. How are flowers, fruits and seeds dried? Explain why flowers requires greater care in drying.
- RESULTS Please give the time-absorbance values tab? Draw graph-growth curve in Excel? Find the equation of slope line? Calculate the generation time? Choose the values in log phase Abs 0.005 25 0.003 50 0.023 75 0.026 100 0.029 125 0.035 150 0.1 175 0.26 200 0.32 225 0.375 250 0.42 275 0.46 300 0.475 325 0.489 350 0.506 375 0.515 400 0.521 425 0.526 450 0.532 475 0.522 500 0.515 525 0.514 550 0.506 575 0.489 600 0.465 625 0.42 650 0.38 675 0.36 700 0,345 725 0.333 BACTERIAL GRO WTH CURVE60. is a physicochemical modification of soil or synthesis from the .... .. precursor materials. O Addition O Translocation O Transformation O Losses4. The primary sweetener in Choc Zero Keto bark is__________?
- The three forms of the anthocvanins in red cab.-bage extract are red, blue, and yellow. How do you account for the violet and green colors you observed in some of vour color standards?5c)Many important bioactive compounds of plants are found in leaves and roots of a plant. Discuss the advantages and limitations of using callus cultures to produce these metabolites.Analysis that compares the results obtained from the growth of S. thermophilus under varying temperatures and pH conditions. The graphs are shown below a) b) 25- 2.0p 1.8 1.6아 7.0 20 1.4 6.0 1.2 1.아 0.8 0.6 13- 30 °C +37 C 45 °C 5-0 0.4 0.2 0.0 02468 10 12 14 16 18 20 22 24 4-0 Time (h) timelh] The growth curve and pH of Streptococcus thermophilus in the medium. Growth curves of Streptococcus thermophilus at different temperatures (30°C, 37°C and 45°C). Justify how the survival of yogurt cultures used to increase the quality of dairy products. Hd Viable counts (so CFU/ml)