Answer:
Metamorphic rock
Explanation:
metamorphic rock formed when limestone is exposed to high temperatures and pressures. Marble forms under this condition because the calcite forming the limestone recrystallises forming a denser rock consisting of roughly equigranular calcite crystals.
Answer:
6. B. Altitude
7. B. Intertropical Convergence Zone
8. A. Hundreds
Explanation:
The following factors affect monsoon, except altitude.
ITCZ stands for Intertropical Convergence Zone.
It takes hundreds of years for soil to be replaced.
"it reacts strongly when the drug is absent, a reaction known as withdrawal"
Hey can you provide the pictures please.
Answer:
<h2>
Histone acetylation increase transcription.
</h2><h2>
Whereas DNA methylation decrease transcription
</h2>
Explanation:
Histone acetylation is a transcription-activating modification which occurs by the addition of acetyl group from acetyl coenzyme A, to one or more lysine residues at the ε-amino group by the enzyme histone acetyltransferases. Histone acetylation increase transcription.
DNA methylation is one of the mechanisms that cells use to control gene expression and DNA become unavailable for transcription . In DNA methylation, DNA become inactive( unavailable for transcription) so that transcription wouldn't occur.