Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 1364
TLS Online TPP Program

#Question id: 1389

 Why has C. elegans proven to be a useful model for understanding apoptosis?

#Unit 4. Cell Communication and Cell Signaling

  1. C. elegans does not naturally use apoptosis, but can be induced to do so in the laboratory.

  2. C. elegans undergoes a fixed and easy-to-visualize number of apoptotic events during its normal development.

  3. C. elegans has large cells wherein apoptosis is easily observed without the aid of a microscope.

  4. As C. elegans ages, its cells die progressively until the whole organism is dead.

More Questions
TLS Online TPP Program

#Question id: 12369

#Unit 1. Structure and Function of Biomolecules

Phosphoric acid attachment occur to ribose or deoxyribose at
A. C3 during phosphodiester bond formation
B. C5 during nucleotide formation
C. C2 during phosphodiester bond formation
D. C1 during nucleotide formation
Which of the combinations contains all incorrect statements?
TLS Online TPP Program

#Question id: 12370

#Unit 1. Structure and Function of Biomolecules

Dideoxy ribose sugar contains
TLS Online TPP Program

#Question id: 12371

#Unit 10. Ecological Principles

Succession results from disturbance by fire.
TLS Online TPP Program

#Question id: 12372

#Unit 10. Ecological Principles

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a  single species dominated the field. A possible factor in this secondary succession was
TLS Online TPP Program

#Question id: 12373

#Unit 10. Ecological Principles

You are most likely to observe primary succession in a terrestrial community when you visit a(n) 
TLS Online TPP Program

#Question id: 12374

#Unit 10. Ecological Principles

The process in which pioneer species colonize a bare substrate such as rock, sand, or glacial till is known as