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TLS Online TPP Program

#Id: 3400

Cleavage of both LexA and UmuD is stimulated by a protein called RecA, which is activated by single-stranded DNA resulting from DNA damage.

#Unit 3. Fundamental Processes #DNA damage and repair mechanisms #Part B Pointers
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TLS Online TPP Program

#Id: 1017

#Unit 5. Developmental Biology

Three major RNA targets to which the female-specific Sxl transcript binds: 

Pre-mRNA of Sxl itself

msl2 gene

pre-mRNA of transformer (tra)
TLS Online TPP Program

#Id: 1018

#Unit 5. Developmental Biology

The Drosophila doublesex (dsx) gene is active in both males and females, but its primary transcript is processed in a sex-specific manner.
TLS Online TPP Program

#Id: 1019

#Unit 5. Developmental Biology

The processes by which the three ectodermal regions are made physically and functionally distinct from one another is called neurulation.
TLS Online TPP Program

#Id: 1020

#Unit 5. Developmental Biology

Specification of the ectoderm is accomplished during gastrulation, by regulating the levels of BMP.
TLS Online TPP Program

#Id: 1021

#Unit 5. Developmental Biology

The vertebrate ectoderm, has 3 major responsibilities:
1. One part will become the neural plate
2. One part will become the epidermis
3. One part will become the neural crest
TLS Online TPP Program

#Id: 1022

#Unit 5. Developmental Biology

High levels of BMP specify the cells to become epidermis.