The optic vesicle is able to induce lens formation in the anterior ectoderm but not in the presumptive trunk and abdomen.

TLS Online TPP Program

#Id: 3809

#Unit 5. Developmental Biology

Once all proteins are functioning, a few starving cells start to emit cAMP pulses.

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#Id: 3805

#Unit 5. Developmental Biology

High PSF to food ratio is upregulate the translation of the PKA catalytic subunit PKA-C.

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#Id: 3203

#Unit 3. Fundamental Processes

Excision systems remove one strand of DNA at the site of damage and then replace it.

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#Id: 6054

#Unit 10. Ecological Principles

Location        Grass land 

Eurasia Steppes 

North America  Prairie

Argentina  Pampas 

South Africa  Veldts

Australia and Newzeland          Tussocks 

Australia                              Down 

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#Id: 6915

#Unit 8. Inheritance Biology

Chromosome duplications are one way in which new genes evolve.