#Question id: 5254
#Unit 5. Developmental Biology
Following signal transduction pathways can be grouped into several basic types, based on the sequence of intracellular events.
According to above figure, which of the following correctly represents the basic concepts of all signalling pathway?
#Question id: 5255
#Unit 8. Inheritance Biology
Which of the following is a structure that permits conjugation to occur?
#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?
#Question id: 5257
#Unit 8. Inheritance Biology
Which term is least closely associated with the others?
#Question id: 5258
#Unit 8. Inheritance Biology
Which of the following processes are not correct for conjugation?
#Question id: 5259
#Unit 8. Inheritance Biology
Genetic variation in bacterial populations cannot result from