Allelic exclusion Most T cells fully rearrange and express a TCR chain from only one of their two TCR alleles.

TLS Online TPP Program

#Id: 827

#Unit 4. Cell Communication and Cell Signaling

A successful pathogen overcomes PTI and has effectors that evade R protein‐mediated detection.

TLS Online TPP Program

#Id: 6421

#Unit 8. Inheritance Biology

Pedigree

Pictorial representation of a family history outlining the inheritance of one or more traits or diseases.

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#Id: 6469

#Unit 3. Fundamental Processes

There are 27 of these repeats in the yeast Pol II CTD, 32 in the worm Caenorhabditis elegans, 45 in the fly Drosophila, and 52 in humans.  YSPTSPS repeats in CTD corresponds to the complexity of the genome.

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#Id: 4523

#Unit 13. Methods in Biology

Alpha block When attention is focused on something, the alpha rhythm is replaced by an irregular beta rhythm

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#Id: 5468

#Unit 7. System Physiology – Animal

Principle of one-way conduction at chemical synapses 

always transmit the signals in one direction i.e., from the neuron that secretes the neurotransmitter called the presynaptic neuron, to the neuron on which the transmitter acts, called the postsynaptic neuron