One of the major categories of receptors in the plasma membrane reacts by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?

A) G protein-coupled receptors
B) ligand-gated ion channels
C) steroid receptors
D) receptor tyrosine kinases


Answer: D

Biology & Microbiology

You might also like to view...

Lateral meristem that contributes to the increase in thickness of a stem or root. 

 Choose the letter of the best match: A. protoderm B. vascular cambium C. apical meristem D. procambium E. ground meristem

Biology & Microbiology

Heterothallic ascomycetes are self-fertile

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

The breakdown of ____ for energy production results in the formation of ammonia as a waste product.

A. carbohydrates B. fats C. proteins D. carbohydrates and fats E. fats and proteins

Biology & Microbiology

At rest, veins hold about ____ percent of the body's blood.

A. 40 B. 50 C. 60 D. 70 E. 80

Biology & Microbiology