aa motif / Coiled-coils

3.6 a.a / turn in helix 

abcdefg 'a' &'d’ are hydrophobic residues 'e' and 'g' are found to be charged amino 

7.2 a.a / 2 turns acids 

 —7 amino acids per 2 turns in the helix 

For every turn there could be one hydrophobic residue coming same side of the helix 

Ex: GCN4

TLS Online TPP Program

#Id: 5516

#Unit 10. Ecological Principles

Mortality refers to death of individuals in a population. 

Minimum mortality rate, minimum death rate which occurs under ideal conditions of environment

Actual death rate is referred to as Ecological mortality.

TLS Online TPP Program

#Id: 5452

#Unit 7. System Physiology – Animal

The relative refractory period begins at the end of the absolute refractory period and overlaps primarily with the period of the hyperpolarizing afterpotential.

TLS Online TPP Program

#Id: 8223

#Unit 2. Cellular Organization

Retromer

a coat protein complex specialized for endosome-to-TGN transport, recycle the M6P receptor to the TGN

TLS Online TPP Program

#Id: 1555

#Unit 4. Cell Communication and Cell Signaling

Wnts are paracrine factors that make up a large family of cysteine-rich glycoproteins.

TLS Online TPP Program

#Id: 4691

#Unit 11. Evolution and Behavior

Some cells carry a cheater mutation that makes spores but that avoids contributing to the stalk.