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Q1. Each allele of single gene in a diploid cell during the G1 phase is present as part of a single (double-stranded) molecule. The Drosophila genome is approximately 150 Mb. which means that single haploid genome (one allele of each gene) would be 150,000,000 base pairs. Recalling that Avogadro's number is 6 x 10^23 (no units; this is a "pure" number), how several diploid Drosophila cells would be needed to have 1 picomole of each allele?
Q2. In peaches, Fuzzy skin (F) is completely dominant to smooth (nectarine) skin (F), and hetrozygous condition of oval galnds at the base of leaves (G ^o) and no glands (G^N) gives round glands. A homozygous fuzzy,no-gland peach variety is bred to a smooth, oval-gland variety.
a) What will be appearance of the F1 peaches?
b) What will be appearance of the F2 peaches?
C) What will be appearance of the offspring of a cross of the F1 peaches back to that smooth,oval glanded parent?
What are the disadvantage and advantage of each and which commonly applies to hospitality industry. How is this caused by the sympathetic nervous division.
What will the instructor tell the students are the most ordinary cause of an MI.H ow various different antibody molecules potentially could be generated.
What combination(s) of chromosomes are possible in haploid cells following both divisions of meiosis? (Hint: remember independent assortment). A diploid cell contains three pairs of homologous chromosomes designated C1 and C2, M1 and M2, and S1 and S..
If the ATP synthase molecules were randomly orientated so that about half faced the outside of the vesicle and half faced the inside, would you expect ATP to be synthesized.
Why are algae important in nature. Joan and Alex Smith have five daughters who are quite dissimilar in appearance and talents. Examine why this occurs based on the 2 events in meiosis that enhance genetic diversity.
Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?
If there was mutation in a dna triplet that changed the first triplet from ctt to ctc, would that cause the problem with the resulting polypeptide.
Propose two ways the photosynthesis process be improved. If the sequence TCGTA was used as a template in DNA replication, what will the sequence of bases be on the newly synthesized strand.
The child is running a fever, has fflu-like symptoms, and his lymph glands are very swollen and sore to the touch. Of what importance are the swollen and sore lymph glands.
Describe the significance of historical achievements in proving the role of microorganisms in human health and disease and maintaining health of the environment. Be sure to explain the current classification of microorganisms.
Calculations must be made assuming that the minimum significant number has four significant digits. If all of phosphorus in a 3.00 gram sample of MgNH4PO4 is extracted and used to make a diphosphorus pentaoxide, what mass of P2O5 could be produced.
If you transform bacteria with the plasmid library made in part b above, divide the transformatnts into 20 aliquots and find one has the insert of interest, now how many clones do you need to screen.
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