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TLS Online TPP Program

#Id: 453

Acetylation, methylation, ubiquitylation, and sumoylation all occur on the free epsilon amino group of lysine.

#Unit 2. Cellular Organization #Histones and Chromatin #Part B Pointers
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TLS Online TPP Program

#Id: 5758

#Unit 10. Ecological Principles

Principle of species individuality
TLS Online TPP Program

#Id: 5759

#Unit 10. Ecological Principles

Species richness- which is a count of the number of species.
TLS Online TPP Program

#Id: 5760

#Unit 10. Ecological Principles

One major problem is that this approach does not take species frequency of occurrence or relative abundance into account.
TLS Online TPP Program

#Id: 5761

#Unit 10. Ecological Principles

Berger-Parker index- Dominance indices are weighted toward the abundance of the commonest or dominant species

DBP= Nmax/N
TLS Online TPP Program

#Id: 5762

#Unit 10. Ecological Principles

More diverse communities have a lower value of DBP than less-diverse communities.
TLS Online TPP Program

#Id: 5763

#Unit 10. Ecological Principles

Berger-Parker complement index is that it is very easy to compute.  Values of DBPC vary from 0 to 1.

DBPC=1 - DBP