When __________ reaches the stomach, it is inactivated by the low pH
a. pepsin
b. pepsinogen
c. trypsin
d. amylase
e. bile
D
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In a chemical analysis of an animal tissue sample, which element would be in the least quantity?
A. carbon B. oxygen C. hydrogen D. nitrogen E. iodine
What role do bees play in the interaction between cowbirds and oropendola birds?
a. keep away large predators b. keep away insect pests c. pollinate species that only cowbirds prefer d. pollinate species that only oropendola birds prefer e. have no effect on the relationship between cowbirds and oropendolas
Blanks "C" and "D" should be labeled
respectively a. in; large b. in; small c. out; large d. out; small e. none of these
Nucleases are enzymes that degrade mRNA. In order for nuclease to overcome the inherent protections in mRNA that prevent its degradation, nucleases must use (Select all that apply.)A) 5' decapping enzymes.B) A and U sites that promote removal of the poly A tails.C) C and G recognition sites that activate removal of poly A tails.D) 3' end recognition sites that initiate quick degradation.E) 3' cap and poly A tail sites that activate degradation.
What will be an ideal response?