Natural sources of energy on the early Earth caused ____

a. spontaneous genetic mutations
b. chemical bonds to break
c. chemical bonds to form
d. chemical bonds to break and form
e. spontaneous genetic mutations and chemical bonds to break and form


ANSWER: d

Biology & Microbiology

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The membrane filter technique can be used in all waters and has completely replaced the MPN technique.

Answer the following statement true (T) or false (F)

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In a life cycle that exhibits ____, the only diploid cell is the zygote

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