Practice Questions

TLS Online TPP Program

#Question id: 9217

Which of the following conditions is the most likely indicator of a population in an extinction vortex?

#Unit 9. Diversity of Life Forms

The species in question is found only in small, stable pockets of its former range.
The effective population size of the species falls below 1,000.
Genetic measurements indicate a loss of genetic variation over time.
The population is permanently small.

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TLS Online TPP Program

#Question id: 19014

#Unit 13. Methods in Biology

Chromatography with solid stationary phase is called_________

TLS Online TPP Program

#Question id: 21131

#Unit 12. Applied Biology

Erythritol is a sugar alcohol is produced by__

TLS Online TPP Program

#Question id: 10145

#Unit 6. System Physiology – Plant

The transfer of a phosphoryl group to 3-phosphoglycerate, yielding formation of 1,3-bisphosphoglycerate is catalyze by

TLS Online TPP Program

#Question id: 4319

#Unit 3. Fundamental Processes

Why are BRCA1 and BRCA2 considered to be tumor-suppressor genes?

TLS Online TPP Program

#Question id: 11034

#Unit 7. System Physiology – Animal

An increase in shear stress in a blood vessel results in which of the following changes?