Iron is an important element in human body cells. If iron has an atomic number of 26, what does this tell you about this element?
A) An iron atom has 13 electrons and 13 protons. B) An iron atom is unable to become an isotope.
C) An iron atom has 26 protons. D) An iron atom has 13 protons and 13 neutrons.
C
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The life cycle of the human liver fluke has intermediate hosts.
(a) one. (b) two. (c) three. (d) four.
The evolution of patterns on insect wings can be affected by all of the following functions except
A. species recognition. B. protection from predation. C. thermoregulation. D. warning coloration. E. aesthetics.
In eukaryotic transcription, TFIID recognizes and binds the ________ box in the DNA.
Fill in the blank(s) with the appropriate word(s).
What term describes the set of symptoms associated with a medical issue?
a. genetic abnormality b. genetic disorder c. syndrome d. disease e. carrier