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- Why are colonies that develop on a heavily seeded plate smaller than those that appear on a sparely seeded plate?
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- Complete the colony morphology for the colonies pictured above: 1. Form - 2. Elevation - 3. Margin - 4. Surface - 5. Chromogenesis -describe the shape of the colony of the Volvox. Label the individual cells and the daughter colonies.Production of two types of spore is referred as –a) Homosporyb) Heterosporyc) Isosporyd) Anisospory
- Describe fully the colonial morphology of the colonies shown in the image. A full description will include texture, transparency, color, and form (size, overall shape, margin, and elevation).What is one distinct feature of fungi that could be exploited for antibiotic therapy?Describe fully the colonial morphology of the colonies shown below. A full description will include texture, transparency, color, and form (size, overall shape, margin, and elevation).
- A scientist is interested in genetically engineering a fungus that has a limited reproductive process so that it does not accidentally cross breed with other fungi in the laboratory. Which process should be disrupted to hinder fungal reproduction?a) None of theseb) Mycelium formationc) Spore formationd) Nutrient absorptione) Septa formationThe time interval required for the formation of two cells from one is called the A) generation time. B) growth time. C) growth rate. D) division rate.In 1971, Dr. Akira Endo, working at the Sankyo company in Tokyo speculated that fungi not only contained antibiotics but also inhibitors of other processes such as cholesterol metabolism. Over a period of several years, he screened more than 6,000 fungal cultures until a positive result emerged. This compound, which was named compactin, came from the blue-green mold Penicillium citrinum Pen-5 that was isolated from a rice sample collected at a grain shop in Kyoto. Based on biochemical assays, compactin is the first known statin. 1. The original kinetics data for compactin inhibition of HMG-CoA reductase enzyme that was published by Dr. Endo in 1976 is shown on the right. a) Determine the Km and Vmax values for enzymatic activity. Do NOT forget the units. Answers can be expressed either as a fraction or in decimals. With No inhibitor: ; Vmax= -60 1/V, (nanomoles/min)-1 0.4 0.35+ 0.3 0.25 0.2 0.15 0.1 0.05 -40 -20 0 + 24 nM compactin + 70 nM compactin None T 20 40 60 1/[HMG-CoA], (mM)-1…
- Why are cynobateria used in agricultural fields of crop improvement?What are satellite colonies?visit www.youtube.com/watch?v=iNXTSxPZF0U Observe the Volvox for a few minutes. These small green spherical colonies of up to thousands of Chlamydomonas-like cells, are usually slowly rolling around in the water mount. Is there any type of coordination in a colony like this?