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TLS Online TPP Program

#Id: 3199

Mismatches between the strands of DNA are one of the major targets for excision repair systems. Mismatch repair (MMR) is accomplished by scrutinizing DNA for apposed bases that do not pair properly

#Unit 3. Fundamental Processes #DNA damage and repair mechanisms #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