G protein-coupled receptors are the largest family of cell surface receptors. Each receptor passes through the plasma membrane how many times?

A. Once
B. Three times
C. Five times
D. Seven times


D. Seven times

Biology & Microbiology

You might also like to view...

A person with frequent heartburn is more likely than others to eventually develop this condition

A) Large intestine 

B) Stomach 

C) Esophageal cancer 

D) Appendix 

E) Mouth 

F) Salivary glands 

G) Rectum 

H) Cirrhosis 

I) Gallbladder 

J) Small intestine 

Biology & Microbiology

A group of interacting serum proteins that provide a nonspecific defense mechanism is

A. complement. B. interferon. C. glycoprotein. D. lysozyme.

Biology & Microbiology

Differentiation is the process by which cells

a. mature into larger cells. b. change from one type of muscle to another. c. allows cells to change to fix injuries. d. turn on all the genomic genes. e. become specialized by turning on some genes and turning off others

Biology & Microbiology

Obesity corresponds to a BMI over ____

a. 20 b. 22 c. 25 d. 28 e. 30

Biology & Microbiology