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Describe the journey of a hypothetical enveloped (-) RNA virus through three basic host barriers to infection: Physical b arriers, Innate immune response and adaptive immune response. After overcoming physical barriers, how are viruses recognized at each step, what cells are involved, what soluble factors are involved, which adaptive immune effector cells recognize F and N viral proteins and how is the virus eliminated at each step? For simplicity, let's assume the only the Fusion Protein (F) and Nucleoprotein (N) are recognized by the adaptive immune response (500 words max).
Explain the function of acetylation on the histone tails. What do you think would happen if you mutated the lysine amino acid on the tail of a histone protein
Compare gymnosperms to angiosperms. What are some differences and similarities between a pine cone and a fruit? Give examples of each group.
The cell walls of bacteria, fungi, and plant cells and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following is a characteristic of all of these extracellular structures.
DETERMINE Consortium has acknowledged gaps in health equities within and between member countries. A variety of efforts are underway to help close those gaps.
Assume that there are 63 different naturally occurring amino acids. If all 64 possible combinations of bases for a codon resulted in coding for 63 different amino acids and one stop codon, which of the next mutations would NOT be possible.
Nitrogen fixation represents a process by which atmospheric nitrogen is oxidized to make 2 ammonium ions.
What step in the RT mechanism controls the rate at which RT can proceed at incorporating the dNTPs.
A married couple seeks your advice after having a child affected by an autosomal dominant condition. Studies reveal they are both heterozygous carriers of the mutation but are phenotypically normal.
a national survey is conducted to assess the association between hypertension and stroke in persons over 75 years of
a.Draw all ionization equilibria for the amino acid cysteine. Label each with the correct pka. b.Calculate the net charge on each structure. c. draw the titration curve d. Calculate the pI.
Determine the genotypes of the parents, F1 offspring and F2 offspring and the probable mode of inheritance? Check your answer with the appropriate statistical test.
What unlikely event must happen in Metaphase I for a human egg to receive only maternal chromosomes? Would that egg develop into an exact replica of its mother? Discuss the function of the respiratory system.
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