Where is the CFTR gene expressed at the highest levels?

a. lungs
b. reproductive system
c. intestines
d. brain
e. skin


ANSWER: a

Biology & Microbiology

You might also like to view...

S. pyogenes associated with invasive disease characteristically have

A. leukocidins. B. coagulase. C. streptococcal pyrogenic exotoxin A. D. streptococcal pyrogenic exotoxin B. E. streptococcal pyrogenic exotoxins A AND B.

Biology & Microbiology

Release of what protein is directly subject to negative feedback inhibition when blood volume rises? 

A. angiotensinogen B. angiotensin II C. aldosterone D. atrial natriuretic hormone E. renin

Biology & Microbiology

A cell is dyed with stain that reacts with an enzyme found in the lysosome. Based on this, where else would the dye react?

a. endoplasmic reticulum. b. nucleus. c. cytoplasm. d. mitochondria.

Biology & Microbiology

Charcot-Marie-Tooth is the most commonly inherited peripheral neuropathy, and has no known cure. Patients suffer damage to motor and sensory neurons, leading to degeneration of muscles and gradual loss of motor control.Genetic studies have found that Charcot-Marie-Tooth may be caused by a mutation in the gene Mitofusin-2 (MFN2), which causes mitochondria to form large clumps. In what area of a neuron are these clumps most likely to cause a problem?

A. Myelin B. Synapse C. Dendrite D. Axon E. Soma

Biology & Microbiology