Acidic" is an appropriate description for all
EXCEPT which one of the following?
a. excess hydrogen ions
b. the contents of the stomach
c. magnesium hydroxide
d. HCl
e. a pH less than 7
C
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Plants have special groups of self-renewing cells called
A. root cells. B. chloroplasts. C. cast cells. D. meristems.
On a phylogenetic tree, distantly related species diverge from branch points nearer to the tree's:
A. base. B. branches. C. tips. D. trunk.
This hormone is secreted from the posterior pituitary and regulates muscle contraction.
A. antidiuretic hormone B. prolactin C. adrenocorticotropic hormone D. oxytocin E. epinephrine
The complete genetic composition of an organism is called its
A. phenotype. B. transcriptosome. C. genome. D. proteome. E. None of these choices are correct.