Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 28087
TLS Online TPP Program

#Question id: 1095

What does it mean to say that a signal is transduced?

#Unit 4. Cell Communication and Cell Signaling

  1. The signal enters the cell directly and binds to a receptor inside.

  2. The physical form of the signal changes as it passes from the cell membrane to the ultimate intracellular target.

  3. The signal is amplified, such that even one signal molecule evokes a large response.

  4. The signal triggers a sequence of phosphorylation events inside the cell.

More Questions
TLS Online TPP Program

#Question id: 1394

#Unit 4. Cell Communication and Cell Signaling

Apoptosis involves all but which of the following?
TLS Online TPP Program

#Question id: 10975

#Unit 7. System Physiology – Animal

A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?
TLS Online TPP Program

#Question id: 23501

#General Aptitude

The great Indian Bustard bird is found in
TLS Online TPP Program

#Question id: 9165

#Unit 9. Diversity of Life Forms

Which of the following biomes spans the largest annual mean temperature range, but the narrowest mean precipitation range?
TLS Online TPP Program

#Question id: 19352

#Unit 12. Applied Biology

Reporter genes have been extensively used to assay the function of promoters and other regulatory sequences, and also to demonstrate the