Which of the following forms of energy was NOT involved in the production of large organic molecules in the primitive reducing atmosphere?

A. radiation from the sun
B. electrical energy
C. sound
D. heat
E. radioactivity


Answer: C

Biology & Microbiology

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The hallmark feature of peroxisomal diseases is the accumulation of

A) hydrolases. B) very long chain fatty acids. C) peroxidases. D) ATP. E) pigments.

Biology & Microbiology

The species concept that relies most heavily on the criterion that species are evolutionarily independent units that are isolated by gene flow is ________

A) the morphospecies concept B) the phylogenetic species concept C) the biological species concept D) This criterion is common to all of these concepts.

Biology & Microbiology

Reproductive isolation is the only requirement for speciation

Indicate whether the statement is true or false

Biology & Microbiology

You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria. In this example, the concentration of disinfectant would represent the

(a). control. (b). experimental variable. (c). response variable. (d). data. (e). hypothesis.

Biology & Microbiology