Practice Questions

TLS Online TPP Program

#Question id: 3525

In a plant, red fruit (R) is dominant over yellow fruit (r) and tallness (T) is dominant over shortness (t). If a plant with RRTt genotype was crossed with rrtt plant results progeny, are

#8. Inheritance Biology

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#Question id: 2631

#2. Cellular Organization

True statements about genes of galactose metabolism in Yeast;

#Question id: 2633

#2. Cellular Organization

In trp operon leader peptide has Which one is incorrect.

#Question id: 2634

#2. Cellular Organization

Tryptophan, the end-product of the enzymes encoded by the trp operon, therefore acts as a co-repressor and inhibits its own synthesis through:

#Question id: 2637

#2. Cellular Organization

Which of these operons is anabolic?

#Question id: 2638

#2. Cellular Organization

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

#Question id: 2639

#2. Cellular Organization

A Lac repressor is a tetramer repressed when bound to the inducer. The trp repressor is a ____________________