Which substance emulsifies fats in the small intestine?
A. digestive enzymes
B. bile
C. bicarbonate
D. chymotrypsin
E. hydrochloric acid
Answer: B
Biology & Microbiology
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When contracted, ________ prevents movement of chyme from the stomach to the small intestine
A) peristalsis
B) reverse peristalsis
C) the epiglottis
D) a sphincter
Biology & Microbiology
Most humans need about ________ kcal per day
A) 500-700 B) 1,300-1,800 C) 2,500-3,000 D) 20,000-30,000
Biology & Microbiology
Which of the following describes a polysome?
a. the combination of a large and a small ribosome subunit b. an mRNA with multiple ribosomes attached c. the assembly at a promoter at the start of transcription d. the complex where mRNA splicing occurs
Biology & Microbiology
Why are ferns not well adapted to desert areas?
What will be an ideal response?
Biology & Microbiology