Which of the following is the primary site of nutrient absorption in the mammalian digestive system?
A. pharynx
B. stomach
C. small intestine
D. large intestine
E. pancreas
C. small intestine
Biology & Microbiology
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The cycle in which lactate is removed from muscle tissue and returned to the liver to produce glucose is called
A) gluconeogenesis. B) glycolysis. C) fermentation. D) the Calvin cycle. E) the pyruvate recovery cycle.
Biology & Microbiology
At sea level, what percentage of the air we breathe is oxygen?
a. 21% b. 30% c. 50% d. 79% e. 100%
Biology & Microbiology
The exchange of genetic material between nonsister chromatids of a homologous pair in meiosis is called ________
Fill in the blank(s) with correct word
Biology & Microbiology
The human population on Earth is expected to reach 9.7 billion people by
A) 2015. B) 2050. C) 2093. D) 3150.
Biology & Microbiology