Steroid hormones pass through the cell membrane and bind to a specific steroid hormone receptor protein. The combined steroid and receptor protein then bind to a specifiâ¦c sequence of bases in the DNA molecule. This sequence of bases is part of the promotor of a gene.   Binding of the steroid - receptor complex either activates (switches on) or represses (switches off) the gene which is controlled by that promotor.
A port replicator is an attachment for a notebook computer that allows a number of devices such as a printer, large monitor, and keyboard to be simultaneously connected.
A USB token is a password-protected physical device in which the digital signature is stored. The token has a special built-in software to recognise and open digital signatures. The terms USB token, e-token, dongle and digital signature token are used interchangeably. Note: Image(s) here used for representational/explanatory purposes only. Actual product may vary.