Determine the symmetry group of the outer shell of the cross sec- tion of the human immunodeficiency virus (HIV) shown below. George V Kelvin
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- The analysis of the nitrogenous bases of the nucleic acid of a newly discovered virus showed 20% adenine, 40% guanine, 10% thymine, and 30% cytosine. The viral nucleic acid is most likely ___________.A particular virus with DNA as its genetic material has the following proportions of nucleotides: 20% A, 35% T. 25% G, and 20% C. How can you explain this result?The relative amounts of each nitrogenous base are tabulated here for four different viruses. For each virus listed in the following table, indicate whether its genetic material is DNA or RNA and whether it is single stranded or double stranded. Explain your reasoning. Virus T C U G A I 0 12 9 12 9 II 23 16 0 16 23 III 34 42 0 18 39 IV 0 24 35 27 17
- Search the protein data bank (https://www.rcsb.org/)and find an image of one protein that is found the COVID-19 virus .What is the name of the protein and what does this protein do ?the following segment of DNA codes a protien. 5' - TGATGATATTCCAgaargGATG AGCaataGCACATTGATA-3Which of the following describes why soap is effective at killing animal virus particles Soap Disrupts DNA replication Soap Disrupts RNA replication Soap Disrupts the envelope of the virus Soap Denatures proteins
- German measles results from an infection of the rubella virus, which can cause a multitude of health problems in newborns. What conclusions can you reach from a nucleic acid analysis of the virus that reveals an A + G/U + C ratio of 1.13?given below is a small slice of a large sequence of protein taken from ORF1a polyprotein of Severe acute respiratory syndrome coronavirus 2 (isolate: wuhan-1). Convert the following sequence into protein strand using one letter code: 5'-ACCAACCAACTTTCGATCTCTTGTAGATCT-3'Different types of viruses have different types of genomes- some are double-stranded DNA, some are single-stranded DNA, some are double-stranded RNA, and some are single-stranded RNA. The Ebola virus genome is a piece of single-stranded RNA. Given this piece of information, do you expect it to see %Adenine = %Uracil and the %Guanine = %Cytosine? Why or why not?
- Define the following terms:a. A-DNAb. B-DNAc. Z-DNAd. cruciforme. palindromeThe protein covering the central nucleic acid core of a virus. Protein coat of the HIV virus.Heinz Shuster collected the following data on the base composition of ribgrass mosaic virus (H. Shuster, in The Nucleic Acids: Chemistry and Biology, vol. 3, E. Chargaff and J. N. Davidson, Eds. New York: Academic Press, 1955). On the basis of this information, is the hereditary information of the ribgrass mosaic virus RNA or DNA? Is it likely to be single stranded or double stranded? Percentage A G C T U Ribgrass mosaic virus 29.3 25.8 18.0 0.0 27.0