Practice Questions

TLS Online TPP Program

#Question id: 9178

A fish swimming into an estuary from a river would have which of the following as its greatest physiological challenge?

#Unit 9. Diversity of Life Forms

The high water flow would make the fish expend more energy.
The low oxygen content would give the fish difficulty in swimming aerobically.
The temperature change would stress the fish by denaturing its proteins.
The change in water solute content would challenge the osmotic balance of the fish.

More Questions

#Question id: 3037

#Unit 2. Cellular Organization

Which of the following is the best definition of generation time in a bacterium?

#Question id: 3038

#Unit 2. Cellular Organization

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?

#Question id: 3040

#Unit 2. Cellular Organization

Which of the following is electron source for lithotrophs microorganisms?

#Question id: 3044

#Unit 2. Cellular Organization

If the pH indicator were left out of MacConkey agar, the medium would be

#Question id: 3216

#Unit 11. Evolution and Behavior

The frequency of galactosemia is approximately 1 in 40,000 live births. The frequency of the carrier state can be calculated as

#Question id: 3251

#Unit 11. Evolution and Behavior

Looking at 3 allele per locus and following Hardy Weinberg equilibrium what will be the expected heterozygosity if q1=0.5, q2=0.3, q3=0.2