Which of the following vitamins is fat soluble?
a. vitamin A c. vitamin C
b. vitamin B6 d. all of these
A
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Two Australian animals, the spiny anteater and the platypus, both ________
a. have become invasive species on other continents b. went extinct recently due to habitat degradation c. are marsupials d. are monotremes
Which scientific investigation would provide the most information about the interactions among body systems in animals?
a) an investigation studying how muscle movement is triggered by nerve signals b) an investigation studying the structures involved in the elimination of urine and feces from the body c) an investigation studying the rate of gamete production in different animals d) an investigation studying the physical changes that food undergoes in the stomach
The most probable number (MPN) technique is an approach that can be used to quantify the presence of a particular microbe whether or not that microbe is culturable.
Answer the following statement true (T) or false (F)
The first amino acid in every polypeptide chain is _____.
A) methionine B) glucose C) ribose D) transcriptase