The four bases that make up the rungs of the DNA ladder are adenine, thymine, cytosine and guanine. They are often represented as A, T, C and G, respectively. When two strands of DNA form a double-strand helix, the bases pair up in the middle of the molecule. Hope this answers the question.
Ribosomes consist of RNA's and special proteins that help to synthesize other proteins. Ribosomes can be found either floating within the cytoplasm or attached to the endoplasmic reticulum. They
Answer: Possible consequences of climate change to species that have a narrow temperature tolerance range are extinction, change in migratory patterns, and decreased population.
