The formula H2O refers to
A) A molecule that contains two hydrogen atoms and one oxygen atom.
B) A molecule that contains one hydrogen atom and two oxygen atoms.
C) One hydrogen molecule and two oxygen molecules.
D) Two hydrogen molecules and one oxygen molecule.
A
You might also like to view...
Compared to spinal nerves, how specialized are cranial nerves?
A. More specialized B. Less specialized C. Equally specialized D. Depends on age
Which of the following prenatal tests is non-invasive?
A. Amniocentesis B. Ultrasound C. Chorionic villi sampling D. Inserting a shunt into a fetus with water on the brain
All of the following structures are visible in the buccal vestibule EXCEPT the
A. parotid papilla. B. mucobuccal fold. C. alveolar mucosa. D. buccal mucosa. E. sublingual caruncles
Stimuli produced by sound waves reach the brain following which pathway?
A) Cochlear duct ? oval window ? auditory canal ? tympanic membrane ? ossicles ? spiral organ ? fibers of cochlear nerve B) Auditory canal ? tympanic membrane ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve C) Auditory canal ? tympanic membrane ? oval window ? cochlear duct ? ossicles ? spiral organ ? fibers of cochlear nerve D) Tympanic membrane ? auditory canal ? ossicles ? oval window ? cochlear duct ? spiral organ ? fibers of cochlear nerve E) Cochlear duct ? spiral organ ? ossicles ? oval window ? auditory canal ? tympanic membrane ? fibers of cochlear nerve