Practice Questions

TLS Online TPP Program

#Question id: 26424

In Escherichia coli which of the following mut system is incorrectly pair with their function and location of acting

#Unit 3. Fundamental Processes

MutS - scans the DNA, recognizing mismatches and help to recruit MutL
MutL - a second protein component of the repair system which bind to parental strand
MutH - an enzyme that causes an incision or nick on daughter strand near the site of the mismatch
MutH - an enzyme that causes an incision or nick on parental strand and help to recruit MutL

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TLS Online TPP Program

#Question id: 5255

#Unit 8. Inheritance Biology

Which of the following is a structure that permits conjugation to occur?

TLS Online TPP Program

#Question id: 5256

#Unit 8. Inheritance Biology

If the experimental population of E. coli lacks an F factor or F plasmid, and if bacteriophage are excluded from the bacterial cultures, then which of these is a means by which beneficial mutations might be transmitted horizontally to other E. coli cells?

TLS Online TPP Program

#Question id: 5257

#Unit 8. Inheritance Biology

Which term is least closely associated with the others?

TLS Online TPP Program

#Question id: 5258

#Unit 8. Inheritance Biology

Which of the following processes are not correct for conjugation?

TLS Online TPP Program

#Question id: 5259

#Unit 8. Inheritance Biology

Genetic variation in bacterial populations cannot result from