one of Antennapedia’s functions is to repress the genes that would trigger antenna and eye development.

TLS Online TPP Program

#Id: 573

#Unit 2. Cellular Organization

Effects of mutations in the three lac operators

All three operators are essential for effective repression.

TLS Online TPP Program

#Id: 5911

#Unit 3. Fundamental Processes

Each Okazaki fragment starts with a primer sequence of RNA 10 bases long that provides the 3’–OH end for extension by DNA polymerase

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#Id: 2104

#Unit 8. Inheritance Biology

Wolf–Hirschhorn syndrome- Deletion on 4, short arm

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#Id: 165

#Unit 5. Developmental Biology

First inducers of the lens are foregut endoderm and cardiac mesoderm that underlie the lens-forming ectoderm during the early and mid gastrula stages.

TLS Online TPP Program

#Id: 10433

#Unit 4. Cell Communication and Cell Signaling

Carcinogens can be classified into two categories: 

1. Direct-acting carcinogens

2. Indirect-acting carcinogens