Which type of organism gets energy from breaking down nutrients and uses CO2 as a carbon source?

A) lithotroph
B) chemoautotroph
C) photoautotroph
D) chemoheterotroph
E) photoheterotroph


Answer: B

Biology & Microbiology

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The most significant outcome of the Miller and Urey experiment was that they:a

were the first to synthesize living cells. b. demonstrated natural selection. c. proved that the iron-sulfur world hypothesis was false. d. proved that life did not originate on Earth. e. synthesized organic molecules from inorganic materials.

Biology & Microbiology

Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?

a. mRNA b. RNA polymerase c. rRNA d. tRNA

Biology & Microbiology

Brandy is made by the same process as wine, but the alcohol is then concentrated by (fermentation/distillation/filtration)

What will be an ideal response?

Biology & Microbiology

Molecules that facilitate the work of enzymes by binding with them are ________

Fill in the blank(s) with correct word

Biology & Microbiology