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Explain how would a scientist predict the relative frequencies in which the triplets are expected to form when the ribonucleotides form in a random linear array? Point out which amino acid(s) the tr
In a mutation experiment in drosophila, 45 mutations were detected amongst the 543 males which received 2500 Roentgens (R) and 67 mutations in 649 males which received 4000R. Determine the number of
A solution having 80 percent cytosine and 20 percent uracil was used to make synthetic RNAs. A bacterial cell free system produced proteins by using these mRNAs in the given proportions:
A double stranded DNA virus consists of 200,000 base pairs. Find out the number of nucleotides present and the total number of complete spirals. Explain how long will this DNA be?
Analysis of the base composition from DNA extraction in Aspergillus Niger was seen to have 37% cytosine. By using this data predict the percent of adenine.
What would be the genotypic and phenotypic ratio of the progeny of mating among the two cream colored pigs?
D1 and D2 is a pair of codominant alleles comprised in the inheritance of coat colors in horses. Genotypes homozygous for D1 produces chestnut [reddish], heterozygous genotypes palomino (golden colo
Whenever DNA is replicated in Eukaryotic cells, it gets shorter with each round of division due to the mechanics of DNA replication. Explain how do Eukaryotic cells prevent the loss of significant i
The Polymerase Chain Reaction (PCR), devised by the Kary Mullis in the mid-1980 has revolutionized molecular biology by permitting a whole new approach to the study and analysis of genes.
I have worked on this for two days and just have an opening statement that seems to pretty much sum up everything. I want to avoid unnecessary information however I feel I have limited resources.
Cleavage is an embryonic event which mainly comprises mitotic division. Explain how cleavage distinct from mitosis occurring during life after birth does, and what are its vital functions?
Cross a wild type female with a yellow bodied male to generate an f1 offspring generation. Which allele is dominant and which is recessive. Validate your response by using your results.
A man who consists of free earlobes marries a woman who has attached earlobes. What would be the expected phenotypes (and ratios or percentages) of off spring if the man were homozygous?
Explain how does an active infection take place in the urinary tract? Which factors in the urinary tract predispose humans toward the urinary tract infections?
State whether each is best viewed with the naked eye, light microscope, electron microscope and atomic force microscope;
I am having trouble explaining the virus genomes and the features of viral replication. I have read literature on it and tried comprehended the teacher's notes, however I want something more straigh
In addition to protein phosphorylation and dephosphorylation, protein degradation as well plays key role in regulating signal transduction pathways and cell proliferation. Please answer the give que
Describe three ways the Hepatitis C epidemic is similar to the HIV/AIDS epidemic and three ways the Hepatitis C epidemic is dissimilar than the HIV/AIDS epidemic.
Present and describe the differences and similarities in the microbial metabolic and environmental needs for growth for E Coli and HIV.
Explain how the mitochondrion evolved as an organelle according to the endosymbiont hypothesis.
Explain a scenario involving co-evolution of a predator and prey. What might you expect when the two species initially co-occur? What might you expect after 20 generations?
Should society subject pregnant women to dietary restrictions throughout pregnancy to protect the fetus from the consequence of defective genes they carry? Use phenylketonuria carrier status as an i
Meiotic non disjunction events will make aneuploid gametes. Explain (with figures) normal Drosophila male meiotic segregation of the sex chromosomes.
Describe the relationship between chromatin packaging and transcription rates. Name the two different kinds of chromatin modification related with changes in the gene expression.
Describe the benefits derived from the subject non-pathogenic microorganisms in the human environment.