Various cycad tissues produce ____, which may help deter predatory insects
a. turpentine
b. histamines
c. salicylic acid
d. alkaloids
e. pheromones
ANSWER: d
Biology & Microbiology
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Which of the following is not present in DNA?
A. Alpha carbon B. Minor groove C. 5'-carbon D. 3'-hydroxyl E. Double helix
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Plasmids often carry the information for antibiotic resistance
Indicate whether this statement is true or false.
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When all individuals in a population with a certain illness have the same mutation, which present-day patients inherited from shared ancestors, it is an evidence of
A) random mating. B) migration. C) population bottlenecks. D) founder effect.
Biology & Microbiology
Mobile genetic elements that encode proteins that contribute to or confer virulence are known as contiguous sequences.
Answer the following statement true (T) or false (F)
Biology & Microbiology