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TLS Online TPP Program

#Id: 7688

                                                       Zinc Finger Motif

Zinc atom stabilizes the structure/fold by coordination bonds

Each motif contains about 30-50 amino acids

Contains regular patterns of Cys / His, which coordinate with Zinc atom

Contains one helix and two small anti-parallel beta sheets in each finger

Zinc holds helix and beta-sheets together

Helix binds to DNA


#Unit 1. Molecules and their Interaction Relevant to Biology #atom #Part B Pointers
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TLS Online TPP Program

#Id: 4507

#Unit 13. Methods in Biology

Electrocorticography, involving surgical placement of electrodes, is sometimes called "intracranial EEG". 
TLS Online TPP Program

#Id: 4508

#Unit 13. Methods in Biology

EEG waves are not action potentials.

The EEG waves originate from alternating excitatory and inhibitory synaptic potentials that produce sufficient extracellular current flow across the cortex.
TLS Online TPP Program

#Id: 4509

#Unit 13. Methods in Biology

International 10–20 system

Internationally recognized method to describe and apply the location of scalp electrodes in EEG.
TLS Online TPP Program

#Id: 4510

#Unit 13. Methods in Biology
TLS Online TPP Program

#Id: 4511

#Unit 13. Methods in Biology

CSIR-PYQ Concept

Each electrode placement site has a letter to identify the lobe, or area of the brain: 

pre-frontal (Fp), frontal (F), temporal (T), parietal (P), occipital (O), and central (C).
TLS Online TPP Program

#Id: 4512

#Unit 13. Methods in Biology