Practice Questions

TLS Online TPP Program

#Question id: 24219

When Fructose 2,6-bisphosphate binds to its allosteric site on PFK-1 results

#Unit 1. Molecules and their Interaction Relevant to Biology

decreases the enzyme’s affinity for its substrate fructose 6-phosphate and reduces its affinity for the allosteric inhibitors ATP and citrate
decreases the enzyme’s affinity for its substrate fructose 6-phosphate and increases its affinity for the allosteric inhibitors ATP and citrate
increases the enzyme’s affinity for its substrate fructose 6-phosphate and reduces its affinity for the allosteric inhibitors ATP and citrate
increases the enzyme’s affinity for its substrate fructose 6-phosphate and increases its affinity for the allosteric inhibitors ATP and citrate

More Questions

TLS Online TPP Program

#Question id: 23847

#Unit 2. Cellular Organization

Which group of external signals regulated by Smooth muscle cells and non-muscle cells?

TLS Online TPP Program

#Question id: 10953

#Unit 7. System Physiology – Animal

What condition leads to a deficiency in factor IX that can be corrected by an intravenous injection of vitamin K?

TLS Online TPP Program

#Question id: 23141

#Unit 13. Methods in Biology

Resolution of a light microscope is 0.42nm at 300 wavelength of light. If the specimen is viewed under oil what is the refractive index?

TLS Online TPP Program

#Question id: 11343

#Unit 2. Cellular Organization

In the liver, which type of GLUT transports glucose out of hepatocytes when liver glycogen is broken down to replenish blood glucose?

TLS Online TPP Program

#Question id: 10816

#Unit 10. Ecological Principles

When a harmless species takes advantage by resembling the aposematic coloration of other species that are toxic, it is called _____________________.