What happens next after insulin binds to a G-protein coupled receptor (GPCR)?
A. The G-protein loses GDP and gains GTP becoming activated.
B. The G-protein loses GTP and gains GDP becoming inactivated.
C. The G-protein loses GDP and gains GTP becoming inactivated.
D. The insulin enters the cell through the GPCR and diffuses to the nucleus where it interacts with transcription factors.
E. The G-protein loses GTP and gains GDP becoming activated.
A. The G-protein loses GDP and gains GTP becoming activated.
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Figure 5-17 shows the approximate Km for the hydrolysis of ATP by helicase PcrA to be:
A. 3 µM. B. 5 µM. C. 10 µM. D. 15 µM. E. 20 µM.
In which structure would you find oxygenated blood?
a. right atrium b. right ventricle c. pulmonary veins d. pulmonary arteries e. superior and inferior vena cava
Your abdominal cavity, which contains most of your major organs:a
is a pseudocoelom lined by endoderm. b. is a pseudocoelom lined by mesoderm. c. is a coelom lined by endoderm and mesoderm. d. is a coelom lined by ectoderm. e. is a coelom lined by mesoderm.
Suppose that your mother and father are both healthy but carry the allele for cystic fibrosis, which is caused by a recessive allele. What are the odds of you having at least one allele for the disorder?
a. 1 in 4 b. 1 in 2 c. 3 in 4 d. 1