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Niremberg used the enzyme polynuclotide phosphorylase to assemble RNA with random sequences in the absence of a template. Suppose they added the enzyme to a solution of 90% GTP and 10% UTP, and then used the cell-free system of protein synthesis to make peptides according to the sequences in their […]

Case : Explain the activation and function of B cells in body defences. What are the mechanisms of antibody actions which support immunity? How does HIV infection impair the body’s ability to produce antibodies? Assignment Structure: The Assignment will have the following sections: Introduction: An introduction should briefly describe the […]

Q1. Mrs. April Masal, a 69-year-old woman, is brought to her doctor by her. Medical history elicits the facts that she lost her husband 6 months previously, has been extremely depressed, and is taking sleeping pills and not eating. What is the possibility of scineal disease? Q2. A black guinea […]

Some of the Drosophila you are working with have miniature wings. Suppose you perform the following three crosses to determine the heritance of the miniature wing phenotype:A. Females from a true-breeding stock of normal winged flies are mated with males from a true-breeding stock of miniature winged flies. All of […]