Which of the following is not true about dna?

a.) the four nitrogenous bases are adenine, guanine, uracil, and cytosine.
b.) dna is made up of monomers called nucleotides.
c.) the structure of dna is a double helix.
d.) deoxyribose is a sugar found in dna.

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.