Practice Questions

TLS Online TPP Program

#Question id: 11990

Imagine that you are designing an experiment aimed at determining whether the initiation of migratory behavior is largely under genetic control. Of the following options, the best way to proceed is to

#SCPH28 | Zoology

Observe genetically distinct populations in the field and see if they have different migratory habits.
Perform within- population matings with birds from different populations that have different migratory habits. Do this in the laboratory and see if offspring display parental migratory behavior.
Bring animals into the laboratory and determine the conditions under which they become restless and attempt to migrate
Perform within- population matings with birds from different populations that have different migratory habits.

More Questions

TLS Online TPP Program

#Question id: 2636

#SCPH28 | Zoology

Which of the following events occur when E. coli is starved for tryptophan?

I. The ribosome translates leader peptide completely

II. Transcription reads through attenuator into trp EDCBA

III. Tryptophanyl tRNA is not formed

IV. A stem loop structure involving regions 3 and 4 is formed at attenuator site

TLS Online TPP Program

#Question id: 2637

#SCPH01 Biochemistry

Which of these operons is anabolic?

TLS Online TPP Program

#Question id: 2637

#I Life Science/ Life Sciences Group – I-V

Which of these operons is anabolic?

TLS Online TPP Program

#Question id: 2637

#SCPH05 I Biotechnology

Which of these operons is anabolic?

TLS Online TPP Program

#Question id: 2637

#SCPH28 | Zoology

Which of these operons is anabolic?

TLS Online TPP Program

#Question id: 2638

#SCPH01 Biochemistry

Which of these systems give the best mode for turning trp operon off?