Which of the following is the correct word meaning "to nourish"?
a. tropic
b. trophic
c. topic
d. tophic
e. tropical
B
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Which chemical is not a part of DNA?
A) phosphate B) ribose C) cytosine D) nitrogen
Current theories hold that hominin species migrated out of Africa
A) once, 10 million years ago. B) once, nearly 800,000 years ago. C) once, about 150,000 years ago. D) once, nearly 2 million years ago. E) multiple times throughout history.
Carnivory in plants is primarily an adaptation for
A) growing in soil poor in organic material. B) growing in soil poor in usable nitrogen. C) obtaining supplemental carbon for photosynthesis. D) discouraging herbivorous insects.
A bone marrow sample from Patient X has abnormally low numbers of megakaryocytes. What body process would you expect to be impaired in Patient X?
A. Temperature regulation by vasoconstriction or vasodilation of superficial blood vessels B. Defense against foreign microorganisms C. Maintaining normal osmotic balance between the blood and the interstitial fluids D. Transport of oxygen E. Blood clotting following injury to a blood vessel