I think it's B., calcite.
Not sure though.
Hope this helps,
-Tiara
The nervous sysyem because i looked it up on the internet. search gal stones effect which body system then but a dash .You will find that it says nervous system.
Answer: flowers,other minerals
<span>transcription/RNA processing-
pre-mRNA, mRNA, snRNA
translation- rRNA, tRNA</span>
The enzyme that makes RNA knows where to start transcribing the DNA by knowing where to start transcribing at the promoter site. For example,<span> TATA Box in Eukaryotes. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>