Approximately 32 different monomeric carbohydrate subunits are found in various natural polysaccharides. proteins are composed of 20 different amino acids. dna and rna are each synthesized from four nucleotides. among these biological polymers, which has the least structural variety?

What is hydroelectric power produced by?

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

Use the distance formula to determine weather each pair of segments have the same length