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TLS Online TPP Program

#Id: 4528

There are four known forces that are involved in evolution:

1)mutation,

2) genetic drift

3) gene flow or migration

4) selection.

#XL - T Zoology #Theory Of Evolutionary thought #Part B Pointers
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TLS Online TPP Program

#Id: 9269

#XL - Q Biochemistry

Fe protein 
contains 2 identical subunits (dimer) – nif H
Each subunit has MW of 30 ~ 72 kD.
Each subunit contains an Fe-S cluster (4Fe and 4S2-).
TLS Online TPP Program

#Id: 9270

#XL - Q Biochemistry

MoFe protein 
2 pairs of identical subunits (tetramer, nif D & nif K)
A total of MW 180 ~ 235kD
Each subunit has 2 Mo-Fe-S clusters.
Both Fe proteins and MoFe proteins are sensitive to O2. 
TLS Online TPP Program

#Id: 9271

#XL - Q Biochemistry
TLS Online TPP Program

#Id: 9272

#XL - Q Biochemistry
TLS Online TPP Program

#Id: 9273

#XL - Q Biochemistry
TLS Online TPP Program

#Id: 9274

#XL - Q Biochemistry

Bacterial Nod genes are activated to initiate nodulation in plants by plant signals flavonoids