Which describes a promoter?
A .the first part of an operon that regulates where, when, and to what level a gene is expressed
B. the part of an operon that, if attached by a repressor protein, suppresses the expression of a gene
C .a cluster of genes that are expressed or repressed as a group
D .an enzyme that helps DNA unzip prior to transcription

if, i suppose that a bee stings me swinging my hand away from a bee. then that if, i persist patient when a bee or wasp areas on your surface to investigate a scent or to take h2o and i secreting heavily, the bug ultimately will move of its personal agreement. if i don't need to set for it to disappear, lightly and gently wipe it off with a part of the paper.