Jet-lagged travelers are often advised to take ______ to restore their normal circadian rhythms
A. melatonin
B. glucose
C. calcitonin
D. cortisol
E. thyroxine
A
Biology & Microbiology
You might also like to view...
Based on the following classification scheme, which two organisms are most closely phylogenetically related? Why?
What will be an ideal response?
Biology & Microbiology
Sperm swim from ____ to ____ for
fertilization. a. B; A b. D; C c. D; E d. C; D e. E; C
Biology & Microbiology
Which of the following environments would be most
likely to produce trees without annual rings? a. tropical rain forest b. northern evergreen forest c. areas with alternating wet and dry seasons d. temperate-deciduous forests e. none of these, because annual rings are characteristic of all trees
Biology & Microbiology
Thinning of the ozone has already been detected in the stratospheric ozone layer
Indicate whether the statement is true or false
Biology & Microbiology