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 has been used in laboratories to make bacteria more susceptible to antibiotics, but has limited application in eukaryotic cells.
b. rnai is a powerful tool for degrading mrna, but because it doesn't degrade other types of rna, its use is limited.
c. rnai is observed in nature, but it can't be used in laboratories.
d. rnai allows scientists to turn off one gene specifically to study its effect.

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

What are the three groups of atoms that make up amino acids called