The overall effect is a significant net dipole for the a helix that gives a partial positive charge at the amino end and a partial negative charge at the carboxy end of the a helix. 

TLS Online TPP Program

#Id: 3183

#Unit 3. Fundamental Processes

The assignment of mitochondria to daughter cells at mitosis also appears to be random. Indeed, it was the observation of somatic variation in plants that first suggested the existence

of genes that could be lost from one of the daughter cells because they were not inherited according to Mendel's laws.

TLS Online TPP Program

#Id: 5493

#Unit 10. Ecological Principles

If survival of juveniles and adult is poor - Selection favors a single act of reproduction

TLS Online TPP Program

#Id: 567

#Unit 2. Cellular Organization

The lac operon has three paradoxes

1-If the operon is in a repressed state, how does the inducer enter the cell to start the process of induction

2- If the operon is in a repressed state, how Repressor is removed with allolactose 

3- How is allolactose synthesized in Repressed state Answer is Leaky Expression

TLS Online TPP Program

#Id: 5505

#Unit 10. Ecological Principles

Metapopulations

Separate Populations That Mutually Affect One Another via Dispersal Fragmented landscapes create fragmented populations, many of which may exchange individuals via migration, creating one linked population

TLS Online TPP Program

#Id: 9444

#Unit 11. Evolution and Behavior