Practice Questions

TLS Online TPP Program

#Question id: 1084

Which observation suggested to Sutherland the involvement of a second messenger in epinephrine's effect on liver cells?

#4. Cell Communication and Cell Signaling

Receptor studies indicated that epinephrine was a ligand.
Glycogen breakdown was observed only when epinephrine was administered to intact cells.
Glycogen breakdown was observed when epinephrine and glycogen phosphorylase were combined in a cell-free system.
Epinephrine was known to have different effects on many types of cells.

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TLS Online TPP Program

#Question id: 4306

#3. Fundamental Processes

Which of the following molecules helps to "turn off" genes in a cell?

TLS Online TPP Program

#Question id: 19334

#12. Applied Biology

Which one of the following sensors is also known as mass sensitive biosensor?

TLS Online TPP Program

#Question id: 5738

#8. Inheritance Biology

It was once thought that the ____ karyotype was related to criminal disposition because it led to aggressive behavior due to excessive "maleness".

TLS Online TPP Program

#Question id: 11964

#7. System Physiology – Animal

Animals cannot produce enzymes to digest cellulose, yet many termite species consume cellulose from plant material as a main part of their diet. How do termites access the nutrients contained in cellulose?

TLS Online TPP Program

#Question id: 24183

#Aptitude

For 16 years, he spread violence and death throughout the west.