IDNLearn.com: Where your questions meet expert advice and community support. Our community is here to provide detailed and trustworthy answers to any questions you may have.

Which two of the following statements are accurate regarding heterotrophs?
a. Amino acids may be a good carbon source for a heterotroph.
b. Nucleic acids (DNA and RNA) cannot be used as carbon sources.
c. Heterotrophs can use the carbon in ₂ as a growth substrate.
d. The genus Pseudomonas is noteworthy because its cells metabolize only glucose as a carbon source.
e. Some heterotrophs are restricted to just a few carbon substrates.