Islet cells in the pancreas produce which hormone(s)?
A) Each cell produces either glucagon or insulin.
B) They produce insulin only.
C) Islet cells do not produce hormones.
D) Each cell produces both glucagon and insulin.
E) They produce glucagon only.
A
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The utricle and saccule are functional parts of
the a. eye. b. Pacinian corpuscle. c. vestibular apparatus. d. nasal epithelium. e. vomeronasal organ
Trichoplax adhaerens is considered the closest
animal relative of the choanoflagellates due to a. similar structures to amoeboids. b. sticky base plate. c. microscopic observation. d. fossil evidence. e. genetic evidence.
The movements of nutrients from the environment to organisms and then back to the environment is a(n) ____
a. energy-mass cycle b. global cycle c. solar-plant cycle d. sedimentary cycle e. biogeochemical cycle
Why is it that creationism can never be accepted as a scientific explanation of the origin of life?
a) Because the ideas of creationism cannot be tested through experiment and observation. b) Because creationism, like evolution, is a theory and therefore cannot be proved. c) Because not all human beings believe in creationism. d) Because most scientists are not deeply religious people. e) None of the above; creationism can be accepted as a scientific explanation of the origin of life.