________is formed when atom gained or loose electrons.
a. molecule
b. isotops
c. ions
Ans: c. ions
Biology & Microbiology
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Which of the following is an exotic species?
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Where does the process of independent assortment occur in meiosis?
a. prophase I b. metaphase I c. anaphase I d. telophase I
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What are the properties that favor trans fat
over other types of fats? I. long shelf-life II. cheaper than butter III. mild flavor IV. healthier
a. I and II b. I, II, and III c. I, II, III, and IV d. II and III e. II only
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The order of the structural genes in the lac operon is
A) 5'-lacY-lacZ-lacA-3'. B) 3'-lacZ-lacY-lacA-5'. C) 5'-lacZ-lacY-lacA-3'. D) 3'-lacY-lacA-lacZ-5'. E) 5'-lacA-lacY-lacZ-3'.
Biology & Microbiology