Which of the following would be considered to be made from a biomaterial according to a Dictionary of Biomaterials in 1999 and The National Institutes of Health Development: (a) Pacemaker for the heart, (b) Walking stick, (c) stethoscope, (d) Suture, (e) toothbrush, (f) Vascular graft, (g) Stent, (h) Amalgam, (@ Root elevators, (j) Porous tantalum, (k) Wood?
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- In isolating metabolites and testing for phytochemicals, why is it recommended to dry the leaves in open air and not in direct sunlight? Are there other ways to do dry the leaves?Name five (5) Philippine Plant Extracts that are used or are being studied as alternatives for drug or cosmetic preparations. Under each plant indicate: a. Scientific name (e.g. cocos nucifera) b. Parts used (e.g. bark, roots, etc.) c. Active ingredients (e.g. saponins, tannins, etc.) d. Mode of action of the extract (e.g. antimicrobial, antioxidant, etc.)What pharmaceuticals or chemical that can be derived from corn husks?
- Match the following: Zinc Calcium Nitrogen Phosphorous Copper 1. Overall growth and chlorophyll structure. 2. Reproduction and root metabolism. 3. Root and flower growth. 4. Cell wall and overall strength. 5. Regulation of plant growth.Answer 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.Outline the principle in detail the resin embedding
- what is the chemical name , WSSA Mode of Action # , Mode of Action group name , How does the chemical Kill plant (short sentence) , is it Soil-applied or Foliar applied . For the following herbicides : Atrazine , Dicamba , 2 4-D , Pendimethalin , Halosulfurln , Imazapic , Imazethapyr , Sethoxydim , ParaquatWhat other characteristics should a plant species have to be a good candidate for use in making cellulosic biofuel?What are the low-cost alternative bagging materials to commercial fruit bags? How do they differ in terms of controlling insect pests like fruit fly in cucurbits?
- 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.39 You are growing tomatoes and your plants are healthy and nearly one metre tall. Youworry that they might get blown over by the wind, so you decide to lend them extrasupport with a wire frame. You accidently break the growing tip off the top of one ofthe plants. After a few weeks, you notice that instead of growing tall like the otherplants, the plant with the broken tip has grown denser with thicker lateral shootsthan the other plants.Answer the following questions in sentence format, that are related to the abovecase study. bc) What three plant hormones (plant growth regulators) and signaling moleculeare involved? And What hormone could you apply to the cut tip to reduce lateral shootdevelopment?define the following epicotyl, cotyledons,