How many different amino acids could be encoded by the synthetic mRNA sequence 5' UGCUGCUGC 3'?
A) 0
B) 1
C) 2
D) 3
E) 6
D) 3
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Approximately what percent of the energy that enters a trophic level becomes available to the next trophic level?
a. 2 to 12 b. 3 to 13 c. 4 to 14 d. 5 to 15 e. 5 to 30
The larger the intitial population size, the less likely it will become extinct during an environmental change.
a. true b. false
A biosphere is defined as ________ .
a. a multiceullar organism that contains nuclei b. an entire population of a species in a specified area c. a specific community interacting with its physical environment d. a group of individuals of the same species found in a given area e. the sum of all ecosystems
Which of the following breakfasts would be highest in carbohydrate?
a. Grapefruit half, 2 fried eggs, 3 bacon slices, 1 slice of toast with butter, coffee b. 8 ounces orange juice, 2 cups Cream of Wheat with 2 tablespoons sugar, English muffin with jelly, 1 cup whole milk c. 8 ounces orange juice, 1/2 cup fresh blueberries, 8 ounces nonfat yogurt, coffee d. 1 cup whole milk, 2 ounces sausage, 2 fried eggs, 1 slice of toast with butter