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QUESTION 6 8 points Save Answer A bacterial strain with the genotype pro galt lysstrain was...
QUESTION 6 A bacterial strain with the genotype his leu* gal* strain was used as the...
QUESTION 6 A bacterial strain with the genotype his leu* gal* strain was used as the donor to transform another strain with the genotype his leu gal. The genotypes of the transformed cells were as follows: I Number of cells 112 - 32 98 Genotype hist leut gat his leut gal hist leu galt hist leut galt his leu galt his leu gal his leut galt - 54 What is the order of the genes? Please explain your reasoning. Which...
A permissive bacterial strain is simultaneously infected with two strains of T4- like phage. One phage...
A permissive bacterial strain is simultaneously infected with
two strains of T4- like phage. One phage strain has the genotype a
-b + , while the other is a +b - . If the map distance between
markers a and b is about 10 map units, what proportion of the
progeny phages are expected to have the genotype a +b +?
A permissive bacterial strain is simultaneously infected with two strains of T4- like phage. One phage strain has the...
1. An argt cyst his met pro* bacterial strain is known to be lysogenic for a...
1. An argt cyst his met pro* bacterial strain is known to be lysogenic for a newly discovered phage that undergoes specialized transduction. However, we're not sure where, exactly, the phage attachment site might be. The bacterial chromosome map is... cys met arg pro his The lysogenic strain is used as a source of the phage, and the phages are added to a bacterial strain of genotype arg cys his met pro. After a brief incubation, samples of these phage-exposed...
Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met...
Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met tyr.is crossed with an F strain with genotype val met tyr. Val is known to enter last, and so val" recombinants are selected on medium that contains no val (only met and tyr). Recombinant colonies are then tested for met and tyr". The table summarizes the results. #Colonies 552 valt met tyrt Genotype valt met+tyrt valt met- tyr+ valt met- tyr. valt met+ tyr-...
QUESTION 3 Vulcans have three genes, pointed ears (P), absent adrenal glands (A), and a right-sided...
QUESTION 3 Vulcans have three genes, pointed ears (P), absent adrenal glands (A), and a right-sided heart (R) which are on the same chromosome, as shown below. The gene P is 10 map units from A. The gene A is 25 map units from R. All three of these alleles are dominant to normal Earth alleles: rounded ears (p), adrenal glands (a) and a left sided heart (r). P. (10 m.u.) A (25 m.u.) R Mr. Spock, the first officer...
here are the original strains: please answer C, D, E, and F with full solutions, thank...
here are the original strains:
please answer C, D, E, and F with full solutions, thank you!
:)
C) When you conduct an interrupted mating experiment with the Hfr and F-strains, Ton colonies with the following phenotypes first appear at the times shown in the table below: Phenotype Minutes cys+ cys- 25 gal+ 17 38.5 9.5 pur+ 14.5 trp+ his+ lac+ 25 Draw a bacterial chromosome and indicate the relative position of each of the markers and the cysX gene...
1. The type of genetic exchange between bacterial cells that can happen between isolated DNA and...
1. The type of genetic exchange between bacterial cells that can happen between isolated DNA and a live bacterial cell is: a. conjugation b. transduction c. transversion d. transformation 2. An Hfr strain of E. coli with genotype a+b+c+d+e+f+ is mated with an F¯ auxotrophic strain with the genotype a¯b¯c¯d¯e¯f¯. Conjugation is stopped at 10 minute intervals and the genotypes of the resulting conjugants are determined. The following results are obtained: after 10 minutes e+ after 20 minutes a+ e+...
genetic question ASAP!!! (5) (10 0 points) In re ser pro* his ret cells are ser...
genetic question ASAP!!!
(5) (10 0 points) In re ser pro* his ret cells are ser pro his (i.e. they will only grow if serine, proline and histidine are included in ne or h and the recipient cells are ser pro the media a generalized transduction system using P1 phage, the E. coli donor cells a transductants on re then tested on plates containing just minimal medihedonor allele ser is initially selected after transduction (by growing potential tras edia plus...
3. (7) Suppose that you have selected E. coli that can grow only when the medium...
3. (7) Suppose that you have selected E. coli that can grow only
when the medium is supplemented with cysteine. You isolate one
mutant that you believe is defective in a new gene require for
cysteine biosynthesis - cysX .
You have two strains of bacteria:
Hfr cysX - gal+ his+ lac+ pur+ trp+ ton s
F - cysX+ gal - his - lac - pur - trp - ton R
A) What supplements would you need to add to...
Under which of the fol le following conditions will the repressor pro 8. Which of the...
Under which of the fol le following conditions will the repressor pro 8. Which of the fo Lactose present/glucose present Lactose presentelucose absent Lactose absentelucose present 9. Under both conditions A and B c. Under none of the above conditions of the following is involved in regulation of the lac operon? repressor protein b. operator sequence (0) allolactose d. answers A and B are both correct s, all of the above are correct Which of the following statements regarding DNA...
QUESTION 6 A bacterial strain with the genotype his leu* gal* strain was used as the donor to transform another strain with the genotype his leu gal. The genotypes of the transformed cells were as follows: I Number of cells 112 - 32 98 Genotype hist leut gat his leut gal hist leu galt hist leut galt his leu galt his leu gal his leut galt - 54 What is the order of the genes? Please explain your reasoning. Which...
A permissive bacterial strain is simultaneously infected with
two strains of T4- like phage. One phage strain has the genotype a
-b + , while the other is a +b - . If the map distance between
markers a and b is about 10 map units, what proportion of the
progeny phages are expected to have the genotype a +b +?
A permissive bacterial strain is simultaneously infected with two strains of T4- like phage. One phage strain has the...
1. An argt cyst his met pro* bacterial strain is known to be lysogenic for a newly discovered phage that undergoes specialized transduction. However, we're not sure where, exactly, the phage attachment site might be. The bacterial chromosome map is... cys met arg pro his The lysogenic strain is used as a source of the phage, and the phages are added to a bacterial strain of genotype arg cys his met pro. After a brief incubation, samples of these phage-exposed...
Bb Problems, Set 6 Name A cross between an Hfr bacterial strain with genotype val met tyr.is crossed with an F strain with genotype val met tyr. Val is known to enter last, and so val" recombinants are selected on medium that contains no val (only met and tyr). Recombinant colonies are then tested for met and tyr". The table summarizes the results. #Colonies 552 valt met tyrt Genotype valt met+tyrt valt met- tyr+ valt met- tyr. valt met+ tyr-...
QUESTION 3 Vulcans have three genes, pointed ears (P), absent adrenal glands (A), and a right-sided heart (R) which are on the same chromosome, as shown below. The gene P is 10 map units from A. The gene A is 25 map units from R. All three of these alleles are dominant to normal Earth alleles: rounded ears (p), adrenal glands (a) and a left sided heart (r). P. (10 m.u.) A (25 m.u.) R Mr. Spock, the first officer...
here are the original strains:
please answer C, D, E, and F with full solutions, thank you!
:)
C) When you conduct an interrupted mating experiment with the Hfr and F-strains, Ton colonies with the following phenotypes first appear at the times shown in the table below: Phenotype Minutes cys+ cys- 25 gal+ 17 38.5 9.5 pur+ 14.5 trp+ his+ lac+ 25 Draw a bacterial chromosome and indicate the relative position of each of the markers and the cysX gene...
genetic question ASAP!!!
(5) (10 0 points) In re ser pro* his ret cells are ser pro his (i.e. they will only grow if serine, proline and histidine are included in ne or h and the recipient cells are ser pro the media a generalized transduction system using P1 phage, the E. coli donor cells a transductants on re then tested on plates containing just minimal medihedonor allele ser is initially selected after transduction (by growing potential tras edia plus...
3. (7) Suppose that you have selected E. coli that can grow only
when the medium is supplemented with cysteine. You isolate one
mutant that you believe is defective in a new gene require for
cysteine biosynthesis - cysX .
You have two strains of bacteria:
Hfr cysX - gal+ his+ lac+ pur+ trp+ ton s
F - cysX+ gal - his - lac - pur - trp - ton R
A) What supplements would you need to add to...
Under which of the fol le following conditions will the repressor pro 8. Which of the fo Lactose present/glucose present Lactose presentelucose absent Lactose absentelucose present 9. Under both conditions A and B c. Under none of the above conditions of the following is involved in regulation of the lac operon? repressor protein b. operator sequence (0) allolactose d. answers A and B are both correct s, all of the above are correct Which of the following statements regarding DNA...
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