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Minimal Minimal plus arginine 1 2 1 2 3 4 3 4 Minimal plus methionine Minimal plus arginine and methionine 1 2 1 2 3 4 3 4

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Please assign a sex type to each strain 1-8 at the bottom not to the table.
I'm confused with question 11. Thanks for all your help!
E. coli strain B (permissive) were co-infected with rlla and rllb mutant phage T4. Progeny were plated in a dilution series with the following results: Lawn Dilution Number of plaques Strain B 10-6 10 Strain K 10-4 What is the recombination frequency? Remember that the readout is viability and you cannot see the inviable progeny. Answer:
Wild-type bacteria were used as donors to transduce the following recipient genotypes with the results indicated as the number of wild type colonies: Recipient Recipient leu- phe+ his- met+ tyr+ leu- phe+ his+ met- tyr+ leu- phe+ his+ met+ tyr- leu- phe- his+ met+ tyr+ leu+ phe+ his-met- tyr+ 127 leu+ phe-his- met+ tyr+ #wild type 37 138 132 1 leu+ phe+ his- met+ tyr- leu+ phe-his+ met- tyr+ leu+ phe-hist met+ tyr- leu- phe+ his+ met+ tyr+ 22 6 leu+ phe+ his+ met- tyr- 148 31 304 leu+ phe+ his+ met+ tyr- What is the order of the genes? tyr-leu-his-phe-met O leu-met-phe-his-tyr leu-his-met-tyr-phe his-tyr-leu-phe-met #wild type 356 10
In a transformation experiment, donor DNA was obtained from aprototroph bacterial strain (a+b+c+), and the recipient was a tripleauxotroph (a-b-c-). What general conclusions can you draw aboutthe linkage relationships among the three genes from the followingtransformant classes that were recovered? a+ b- c- 180 a- b+ c- 150 a+ b+ c- 210 a- b- c+ 179 a+ b- c+ 2 a- b+ c+ 1 a+ b+ c+ 3
what are Classes of bacterial mutants?
54. 35delG mutation in the connexin 26 gene is an autosomal recessive condition that has been identified to cause congenital deafness. In a population of 367 Greek children, 75 of the children carried two copies of the 35delG mutation.In order to calculate the percentage of individuals who are heterozygous for the 35delG mutation, the calculation that must be performed is Select one: a. 1 – (p2 – 2pq) b. 1 – (p +q) c. 1 – (p2 + q2) d. 1 – q2
A fluctuation test was carried out to determine the rate of mutation to Azetidine resistance (a toxic proline analog) in S. typhimurium. Twenty tubes of rich medium were each inoculated with a few wild-type cells and the cultures were grown to 10° cells / ml. A 0.1 ml sample of each culture was then plated on each plate (a total of 20 plates) to detect AztR mutants. The results are shown in the following table. Calculate the mutation rate of S. typhimurium to AztR. Culture # # AztR mutants Culture # # AztR mutants 11 12 3 4. 13 14 15 4. 30 303 97 69 14 16 17 18 19 20 10 19
What are recombinant types?
How are rearrangement breakpoints determined?
What characteristic specifically defines a High Frequency Recombination (HFr) cell line?
E. coli cells are simultaneously infected with two strains of phage λ. One strain has a mutant host range, is temperature sensitive, and produces clear plaques (genotype h st c); another strain carries the wildtype alleles (genotype h+ st+ c+). Progeny phages are collected from the lysed cells and are plated on bacteria. The following numbers of different progeny phages are obtained: Progeny phage genotype Number of plaques h+ c+ st+ 321 h c st 338 h+ c st 26 h c+ st+ 30 h+ c st+ 106 h c+ st 110 h+ c+ st 5 h c st+ 6 a. Determine the order of the three genes on the phage chromosome. b. Determine the map distances between the genes. c. Determine the coefficient of coincidence and the interference