If a sperm cell contains 6 chromosomes, it must have come from an original parent cell that contained ________ chromosomes
A) 4
B) 6
C) 12
D) 24
C
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Functional groups are very important in organic chemistry. Why are they considered to play such a critical role?
a. Functional groups make molecules resistant to denaturation. b. Functional groups decrease the molecular mass of the molecule. c. Functional groups confer special chemical properties to molecules. d. Functional groups dissolve molecules in water.
When interspecific interactions involve more than just two species, they are said to be ________
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________ are numerous short, branching projections from the neuron that create a huge surface for receiving signals from other cells
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All of the following pertain to listeriosis except
A. it causes symptoms of fever, diarrhea and sore throat. B. it causes a serious septicemia and meningitis in the elderly, immunocompromised and infants. C. intrauterine infection usually results in fetal death. D. adequate pasteurization and thorough cooking of food can improve prevention. E. enterotoxin of the organism causes symptoms