Biology Crossword Puzzle

proteins that turn genes on by binding to DNA
the time it takes proteins to digest a cell
a DNA segment containing multiple control elements that may be located far away from the gene it relegates
the increase range of a single signal to many cells
random errors in gene replication that lead to a change in the sequence of nucleotides; the source of all genetic diversity
barriers that prevent protein synthesis from occuring
a lipid molecule that sends out signals to others cell, but first has to enter the nucleus
regulation at level of DNA where there's total or partial deletion of gene resulting in the loss of capability to produce mRNA
hort strands of DNA capable of moving from one location to another within a cell's genetic material
addition of a methyl group (-CH3) to DNA or RNA, process that plays a role in the control of genetic expression
the transfer of a phosphate group, usually from ATP, to a molecule.
regulatory proteins that respond to a signal and bind to specific DNA sequences near a gene