Which hormone causes an increased output of enzyme-rich pancreatic juice and stimulates gallbladder contraction to release bile?
a. gastrin
b. secretin
c. cholecystokinin cck
d. gastric inhibitor peptide

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Any sound above what db can cause hearing loss in human beings