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A: Here, option b) Rhizobium is the right answer.
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A: Nucleic acid is a genetic material. It controls all activities of the cell. DNA and RNA are examples…
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A: Negative feedback is a physiological or biological mechanism in which a change in a variable…
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A: The correct answer is option e. Casparian strip
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could u decribe chemically how the molecule to silikon implants, botox, and other similar items used in plastic surgury is built up?.
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- 25) In biomaterials design enginnering the surface properties effect the biological interactions (TRUE/FALSE) Chemotaxis Production of ECM Migration of the cells Composition of ECM Responsiveness to extracellular signaling 26) The principal functions of the ECM are ; EXCEPT a) Mechanical support for cell anchorage b) Cell proliferation c) Regulates and determine cells dynamic behaviour: d) Scaffolding for orderly tissue renewal(A) What property of a protein might make it difficult to transfer it from polyacrylamide gel to nitrocellulose? Explain your reasoning. (B) What parameter of the gel transfer protocol can be adjusted that might help improve the transfer of these problematic proteins to the nitrocellulose membrane? Explain your reasoning. (C) How can we check if proteins have been successfully transferred from the polyacrylamide gel to nitrocellulose?1. Determine the following for positive staining. (a) dye, (b) charge of the chromophore/colored ion, (c) charge of the target cellular structure, (d) applications/target cell structure 2.Determine the following for negative staining. (a) dye, (b) charge of the chromophore/colored ion, (c) charge of the target cellular structure, (d) applications/target cell structure
- In SDS polyacrylamide gel electrophoresis, which of the following polypeptides move slowest?A) The ones with the lowest molecular weightB) The ones with the highest molecular weightC) The most negatively chargedD) The most positively chargedE) The ones with the lowest buoyant densityIdentify the biochemical building blocks that are the component of cell. Provide unique solution.Proteoglycan aggregates in tissues form hydrated, viscousgels. Can you think of any obvious mechanical reason whytheir capacity to form gels is important to cell function?[Hint: Liquid water is virtually incompressible.]
- For the following proteins in the figure answer the questions below: A) Oligomerization state of the protein and molecular weight of each protomer B) Number of domains of one protomer and its potential function. C) Based on the information obtained, how many bands will you observe if you run a solution of the spike oligomer in an SDS-PAGE get and in a native gel?What are the example of nanostructures? Give at least ten and define each Note: [Do not copy on Google!]Each of the ff. involves a disorder in the function of an organelle or other cell structure. Identify the cell organelle or cell structure involved and indicate whether it is likely to be underactive or active. a) A baby is placed on a low phenylalanine diet as his newborn screening results revealed that he inherited phenylketonuria. b) A girl suddenly felt weak and manifested cyanide poisoning symptoms after ingesting undercooked cassava which contains cyanoglycosides. c) A man develops pleiomorphic liposarcoma (rare cancer). The cause of the problem is a hard mass of cells in his right inner thigh that rapidly increased in size in a matter of 2 months. d) A male chef learns that he is infertile because his sperm are non-motile. Helping tags: biology, cell biology, cell structure, cell organelle
- Can someone help me please Describe the biological advantage of storing glucose units in branched polymers rather than linear polymers.?1) Explain chain-folded and spherulite structures. 2) A biomedical company is planning to design a robotic arm from polymeric biomaterials based on their stress-strain curves. You as a bioengineer/researcher in this company, are requested to choose the best material from different biomaterials (A, B, C, D, E, and F) based on their mechanical properties. Express your opinion shortly on the following questions? a) Difference between A and C? b) Difference between B and D? c) Difference between F and E? d) What would be your recommendation for the robotic arm? Why? Stress (MPa) 10.0 7.5 5.0 2.5 0.0 0 D Strain (%) 10 E F 15Which of the following statements about electron microscopy are true? a) Most existing protein structures have been resolved using electron microscopy b) Electron microscopy is not used in structural biology as it can not give as high a resolution as X-ray crystallography and NMR c) The smaller a protein, the easier it is to solve its structure with electron microscopy d) By taking pictures of the same protein frozen in ice thousands of times and then adding them together, you get a high-resolution image of the protein e) The first protein structure with true atomic resolution was solved using electron microscopy last year