Practice Questions

TLS Online TPP Program

#Question id: 1086

What is the most likely mechanism by which testosterone functions inside a cell?

#Unit 4. Cell Communication and Cell Signaling

It acts as a signal receptor that activates tyrosine kinases.
It binds with a receptor protein that enters the nucleus and activates expression of specific genes.
It acts as a steroid signal receptor that activates ion channel proteins in the plasma membrane.
It coordinates a phosphorylation cascade that reduces spermatogenesis.

More Questions

TLS Online TPP Program

#Question id: 16326

#Unit 7. System Physiology – Animal

What are adaptations?

TLS Online TPP Program

#Question id: 11561

#Unit 7. System Physiology – Animal

An example of antagonistic hormones controlling homeostasis is ________.

TLS Online TPP Program

#Question id: 2599

#Unit 2. Cellular Organization

The mRNA from the trp operon has a half-life of only about____

TLS Online TPP Program

#Question id: 19887

#Unit 13. Methods in Biology

Paul Berg’s gene splicing experiment created the first rDNA molecules which was a

TLS Online TPP Program

#Question id: 4139

#Unit 3. Fundamental Processes

Which one of the following statements about the elongation phase of protein synthesis is true?