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
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The cerebellum functions in:
A. memory storage B. emotions C. balance and motor skills D. basal body functions like heart function and respiratory rate
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)
What is the general term for double-membrane organelles that function in photosynthesis, storage, or pigmentation in plant and algal cells?
a. chloroplasts b. chromoplasts c. amyloplasts d. plastids e. chlorophylls
In a life cycle that exhibits ____, the only diploid cell is the zygote
a. alternation of generations b. haploid-dominance c. heterotrophism d. endosymbiosis e. diploid-dominance