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Q1. EBV infects B cells and some epithelial cells. EBV enters via the CD21, part of B cell coreceptor.The atypical lymphocytes are characteristic of acute EBV infection. They are mostly T cells, with a preponderance of CD8 cytotoxic T cells. In most individuals, the infection is brought under control but not eradicated because the viral genome persists latently in many B cells. One of EBV encoded proteins is VIL-10, which is very much alike to human IL-10. EBV also stimulates endogenous synthesis of IL-10 and IL-6.
What effect do you think EBV would have on B cell function?
Q2. In Drosophila melanogaster, vestigial (short) wings (vg) are caused by a recessive allele of a gene that independently assorts with the gene pair that influences body hair. Hairy (h) results in a hairy body. A cross is made between fly with normal (wild) wings and hairy body and a fly with vestigial wings and a normal (wild) body. The phenotypically normal F1 flies were crossed among each other, and 1024 F2 flies were reared. What phenotypes would you expect in the F2, and in what actual numbers (not ratios) will you expect to find out them?
You are ready to run your gel but you discover that there is no more running buffer. You need to make 400 ml of 1X TBE containing 0.5 ug/ml ethidium bromide. The stock solution of ethidium bromide is at a concentration of 10 mg/ml. How much of the..
You have discovered a new species of microorganism in a sample from a hydrothermal vent. You determine that it has a small, circular genome. Would you predict that the organism would have negatively supercoiled, positively supercoiled, or relaxed ..
How to use microarray to establish which genes are transcribed in which organs and tissues or different environmental situations?
Carbon cycles through the ecosystem between the atmosphere, organisms (such as producers, herbivores, and carnivores), and decomposers.
q1. the dorsal expression is maximum in the ventral part of the embryo and is responsible for directing the
How will each of these components be digested? Where within the digestive system will they be digested? Are any accessory organs involved.
Research a genetic disease that may be cured through the use of genetic engineering. What techniques are being explored to correct the problem? How do concerns of designer embryos stem from this technology?
Other than bacteria, what other kinds of microorganisms might you see in the negative smear of the mouth?
Describe the process of viral replication; discuss both normal and retroviruses, and comment on the implications of this process for genetic engineering.
What event is responsible for the pacemaker potential in the SA node? A. slow leakage or movement of Na+ ions into the cells B. activation of voltage-gated K+ channels that allow K+ to enter the cell.
At which stop codons would the mutant tRNAglu be able to suppress translational termination? (assume that G-U base pairing is possible at the wobble position)
what is the probability that two cousins who are both carries of a deleterious allele will have a homozygous recessive child with the disease? explain thanks.
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