Answer:
a. methylation at lysine 9 or 27 of histone H3.
Explanation:
Methylation causes the switching off of genes using steric hinderance to prevent access to DNA.
D (7)
The protons are the ones marked p with a positive charge so you just have to count them up :)
Let me know if you have any questions
Each element absorbs light at specific wavelengths unique to that atom. When astronomers look at an object's spectrum, they can determine its composition based on these wavelengths. The most common method astronomers use to determine the composition of stars, planets, and other objects is spectroscopy.
I would say "A"
Answer:
that is a gerbera (barberton daisy)
