Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 41408
TLS Online TPP Program

#Question id: 4344

How does the transcription of structural genes in an inducible operon occur?

#SCPH05 I Biotechnology

  1. It occurs continuously in the cell.

  2. It starts when the pathway's substrate is present.

  3. It starts when the pathway's product is present.

  4. It stops when the pathway's product is present.

More Questions
TLS Online TPP Program

#Question id: 5214

#SCPH28 | Zoology

What is the most probable explanation for the continued presence of pseudogenes in a genome such as our own?
TLS Online TPP Program

#Question id: 3624

#SCPH12 I Genetics

To carry out a complementation test, parents that are homozygous for different mutations are crossed, producing offspring that mutant phenotype, it is due to
TLS Online TPP Program

#Question id: 3007

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

Bacterial endospores function in
TLS Online TPP Program

#Question id: 5425

#SCPH28 | Zoology

Two varieties of maize averaging 50 and 20 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 35 inches in height. Out Of the 16 F2 plants, the 5 are 35 inches. What is the probable number of independent segregating polygenes involved in this trait?
TLS Online TPP Program

#Question id: 18870

#SCPH01 Biochemistry

Which element of the light microscope is in charge of regulating the amount of light that enters the viewing area?