18. rnai is a technique that silences genes by targeting them and degrading their mrna. how can this technique be used in scientific laboratories? a. rnai is observed in nature, but it can't be used in laboratories. b. rnai allows scientists to turn off one gene specifically to study its effect. c. rnai has been used in laboratories to make bacteria more susceptible to antibiotics, but has limited application in eukaryotic cells. d. rnai is a powerful tool for degrading mrna, but because it doesn't degrade other types of rna, its use is limited.

Be in this im starting a with you so if you want you can get a partner for this. but basically im going to assign you guys a biome and you have to have a big sheet paper and you will turn it into 4 squares. the top right square is will be a drawing square for a drawing you will make of your biome. the top left square is about the biomes plants and drawings of them. the bottom left square is about the biomes animals. the bottem rights square is about the description of the biome. leave a comment or an answer and i will assign biomes. if your request one thats the one you get. send me a link to the project and i will grade ! im not a teacher btw.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

What materials must dams have to produce electricity, and what must occur?