When dna molecules are heated, the two strands at a particular temperature and that temperature is called the dna's melting point. some dna molecules seperate at lower temperature while other dna molecules take more energy to spilt or "melt" and these seperate at higher temperatures. scientists have found that dna stands that have more g-c pairs (rather than a-t pairs) are harder to melt and require more energy to melt. why do you think that is?

How will technology impact medicine in the future?

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

What is hydroelectric power produced by?