Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 27403
TLS Online TPP Program

#Question id: 9219

If the sex ratio in a population is significantly different from 50:50, then which of the following statements will always be accurate?

#Unit 9. Diversity of Life Forms
  1. The population will enter the extinction vortex.
  2. The genetic variation in the population will increase over time.

  3. Modeling of the minimum viable population size will underestimate the actual population size.

  4. The effective population size will be less than the actual population size.
More Questions
TLS Online TPP Program

#Question id: 9171

#Unit 9. Diversity of Life Forms

Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?
TLS Online TPP Program

#Question id: 15443

#Unit 4. Cell Communication and Cell Signaling

The caspases have which amino acid residues in their catalytic site and what is the cleavage site of these effector proteases;
TLS Online TPP Program

#Question id: 1101

#Unit 4. Cell Communication and Cell Signaling

The activity of adenylyl cyclase is essentially the opposite of which of the following enzymes?
TLS Online TPP Program

#Question id: 11671

#Unit 7. System Physiology – Animal

Which process in the nephron is least selective?
TLS Online TPP Program

#Question id: 11067

#Unit 7. System Physiology – Animal

A preterm infant has a surfactant deficiency. Without surfactant, many of the alveoli collapse at the end of each expiration, which in turn leads to pulmonary failure. Which of the following sets of changes are present in the preterm infant, compared to a normal infant?