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TLS Online TPP Program

#Question id: 7137

Which of the following correctly describes the sequence of events by which the position of limbs along the antero-posterior axis of vertebrates is specified?

#Unit 5. Developmental Biology
  1. Hox gene expression in the mesoderm activates Wnt signaling, which turns on FGF expression and formation of the limb bud.
  2. Wnt signaling activates Hox gene expression, which turns on FGF expression and formation of the limb bud.
  3. FGF expression in the mesoderm activates Wnt signaling, which turns on Hox gene expression and formation of the limb bud.
  4. Hox gene expression in the mesoderm activates FGF signaling, which turns on Wnt expression and formation of the limb bud.
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TLS Online TPP Program

#Question id: 33519

#Unit 2. Cellular Organization

Assertion: Some genes are present in more than one copy or are related to one another. 
Reason: Number of different types of genes is less than the total number of genes.
TLS Online TPP Program

#Question id: 1492

#Unit 4. Cell Communication and Cell Signaling

Cancer is said to be monoclonal. What does that mean?
TLS Online TPP Program

#Question id: 12194

#Unit 6. System Physiology – Plant

 Which of the following are the correct statements of inhibitors of auxin?
TLS Online TPP Program

#Question id: 33307

#Unit 1. Molecules and their Interaction Relevant to Biology

Two molecules of inhibitor can bind to the substrate binding site, increasing Km value but not affecting Vmax called as
TLS Online TPP Program

#Question id: 1353

#Unit 4. Cell Communication and Cell Signaling

If a laboratory mouse had a mutation rendering the gene that codes for the L-selectin protein nonfunctional, which of the following symptoms would the animal exhibit?