Metabolism is the sum of all _____________________ by which cells convert and utilize energy
Fill in the blank(s) with correct word
biochemical reactions
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When partially digested food enters the small intestine from the stomach, several events must occur to protect the intestine and allow for the continued digestion of the food. One hormone in particular performs two of these functions
What intestinal hormone is responsible for causing the pancreas to release digestive enzymes and the gallbladder to release bile salts into the intestine? A) secretin B) cholecystokinin C) insulin D) epinephrine E) corticosterone
The prevalance of iron-sulfide cofactors in organisms supports the hypothesis that life arose _____
a. in outer space b. on tidal flats c. in volcanic springs d. in the upper atmosphere e. near geothermal vents
What is meant by the description "antiparallel" regarding the strands that make up DNA?
A) The twisting nature of DNA creates nonparallel strands. B) The 5' to 3' direction of one strand runs counter to the to direction of the other strand. C) Base pairings create unequal spacing between the two DNA strands. D) One strand contains only purines and the other contains only pyrimidines.
There are more species of _____________ than there are species of plants.
a. beetles b. mammals c. crustaceans d. flies e. bees