The loop region of the beacon is designed to bind specifically to a target nucleic acid. Thus, in the presence of the target nucleic acid, the stem region of the beacon becomes separated, releasing the fluorophore from the quencher such that active fluorescence can be observed.

TLS Online TPP Program

#Id: 4502

#Unit 13. Methods in Biology

When the positive terminal is on the right arm, the lead is known as the aVR lead.

TLS Online TPP Program

#Id: 4503

#Unit 13. Methods in Biology

When the positive terminal is on the left arm, the lead is known as the aVL lead.

TLS Online TPP Program

#Id: 4504

#Unit 13. Methods in Biology

When the positive terminal is on the left leg, the lead is known as the aVF lead.

TLS Online TPP Program

#Id: 4505

#Unit 13. Methods in Biology

Electroencephalography (EEG)

A method to record an electrogram of the spontaneous electrical activity of the brain.

TLS Online TPP Program

#Id: 4506

#Unit 13. Methods in Biology

EEG electrodes placed along the scalp (non-invasive) called scalp EEG.

TLS Online TPP Program

#Id: 4507

#Unit 13. Methods in Biology

Electrocorticography, involving surgical placement of electrodes, is sometimes called "intracranial EEG".