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TLS Online TPP Program

#Id: 644

Alkylating agents induce all types of mutations, including transitions, transversions, frameshifts, and even chromosome aberrations.

#Unit 3. Fundamental Processes #Eukaryotic Chromosome Architecture #Part B Pointers
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TLS Online TPP Program

#Id: 9757

#Unit 6. System Physiology – Plant

Plant species produce lectins, defensive proteins that bind to carbohydrates or carbohydrate-containing proteins.
TLS Online TPP Program

#Id: 2360

#Unit 5. Developmental Biology

Second possible mechanisms for neoblast specification during regeneration:
Multipotent progenitor cells are positioned throughout the planarian with their lineages specified based on their position. These divide and produce postmitotic blastema cells that differentiate into their specified fates.

 
TLS Online TPP Program

#Id: 1467

#Unit 4. Cell Communication and Cell Signaling

Epithelial-to-mesenchymal transition is associated with a reduction in the expression of E-cadherin.
TLS Online TPP Program

#Id: 8776

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 5189

#Unit 7. System Physiology – Animal

kininogen and kallikrein, can be brought about 

In vitro by exposing the blood to glass

In vivo by collagen fibers underlying the endothelium