Mutations in dnaQ showed increased mutation frequency with by103-folds

TLS Online TPP Program

#Id: 558

#Unit 2. Cellular Organization

There are 4 genes (I, Z, Y, A), 2 Promoters and 3 lac operators in Lac operon

The major O1 lac operator lies adjacent to promoter

Two auxiliary O2 and O3 lac operators 

All three operators are required for optimum repression 

TLS Online TPP Program

#Id: 4830

#Unit 13. Methods in Biology

Both the error type-i and type-ii are also known as “false negative”.

TLS Online TPP Program

#Id: 93

#Unit 5. Developmental Biology

Autonomous Specification

Produces "mosaic" ("determinative") development 

Cells cannot change fate if a blastomere is lost

TLS Online TPP Program

#Id: 2592

#Unit 13. Methods in Biology

The logic for hotstart PCR is as follows, most DNA samples used as template will have some single-stranded DNA. 

TLS Online TPP Program

#Id: 1599

#Unit 5. Developmental Biology

The Wnt PCP pathway activated by fibroblast growth factors (FGFs) produced by the hypoblast.