Organisms that use the sun's rays as an energy source and the atmosphere as a source of carbon are:
A) chemoautotrophs
B) photoautotrophs
C) photoheterotrophs
D) chemoheterotrophs
Correct Answer:
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Q10: A bacterial cell has which of the
Q11: The following question refers to cells seen
Q12: Which groups of organisms are most important
Q13: Bacteria possess:
A) a single, circular chromosome.
B) several
Q14: One type of bacterium that has a
Q16: DNA analysis of these very small cells
Q17: DNA analysis of these very small cells
Q18: Organisms that use inorganic compounds for energy
Q19: Cells occur singly and have a nucleus
Q20: 
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