Multiple Choice
Assume the two E.coli strains shown below are allowed to conjugate.
Hfr: pro⁺,arg⁺,his⁺,lys⁺,met⁺,ampicillin-sensitive
F-: pro⁻,arg⁻,his⁻,lys⁻,met⁻,ampicillin-resistant
What supplements would you add to glucose minimal salts agar to select for a new recombinant cell that is lys⁺,arg⁺,amp-resistant?
A) ampicillin,lysine,arginine
B) lysine,arginine
C) ampicillin,proline,histidine,methionine
D) proline,histidine,methionine
E) ampicillin,proline,histidine,lysine
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Figure 8.1 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6915/.jpg" alt="Figure 8.1
Q3: Figure 8.2<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6915/.jpg" alt="Figure 8.2
Q4: Explain why the following statement is false:
Q5: Recombination will always alter a cell's genotype.
Q6: An enzyme that makes covalent bonds between
Q7: Cell-to-cell contact is required for transduction to
Q8: Which of the following statements regarding a
Q9: An enzyme that copies DNA to make
Q10: Which of the following statements about bacteriocins
Q11: In the Ames test,any colonies that form