Patterning of the Xenopus mesoderm along the dorso-ventral axis involves an antagonistic relationship between chordin and BMP-4. Is there an analogy here to dorso-ventral patterning in the Drosophila embryo?

TLS Online TPP Program

#Question id: 15330

#Unit 4. Cell Communication and Cell Signaling

BCR membrane bound converted into secreted form by signal of

TLS Online TPP Program

#Question id: 4445

#Unit 3. Fundamental Processes

The active site, which is made up of RPB1 and RPB2, from both these subunits, is found at the base of the pincers within a region called the “active center cleft” . The active site works according to the two-metal ion catalytic mechanism for nucleotide addition proposed for all types of polymerase;

TLS Online TPP Program

#Question id: 19201

#Unit 12. Applied Biology

Biocatalytic reactions that can be assayed by ion-selective electrode biosensors could be

1. Conversion of urea into ammonium ions

2. Lipid breakdown into fatty acids and hydrogen ions

3. Conversion of glucose into gluconic acid

4. Glucose breakdown into acetyl coA

Which of the above statements are incorrect?

TLS Online TPP Program

#Question id: 1726

#Unit 4. Cell Communication and Cell Signaling

What is CD8 a marker of?

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#Question id: 12174

#Unit 8. Inheritance Biology

Red-eyed female (X ^+X^+ ) crossed with white-eyed male (X^w Y) , all the F1 progeny shows the red phenotype, then what will be the probability of F2 phenotype;

 i)  Male with red eye phenotype

ii) Female with white eye phenotype

iii) Female with red eye phenotype

iv) Male with white eye phenotype