Vg-1 and wnt are used in both frogs and chicks to establish a body axis, although in chicks this is the antero-posterior axis instead of the dorso-ventral axis. What is the region of the chick embryo that is thus analogous to the Nieuwkoop center?

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#Question id: 30697

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true regarding Plasmalogen and Platelet-activating factor

a. The head group of Plasmalogen – ethanolamine

b. The head group of Plasmalogen – choline

c. The head group of Platelet-activating factor – ethanolamine

d. The head group of Platelet-activating factor – choline

TLS Online TPP Program

#Question id: 16776

#Unit 13. Methods in Biology

If the Mean and Mode are 25, then find the Median.

TLS Online TPP Program

#Question id: 10289

#Unit 6. System Physiology – Plant

If C6 of glucose is radiolabelled, which carbon of Dihydroxyacetone phosphate and glyceraldehyde 3-phosphate  is radiolabelled?

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#Question id: 7211

#Unit 5. Developmental Biology

Choose the correct match.

Germ layers specifying signals	Result
a.     If either Nodal or Vg1 signaling is blocked	i.               No ectoderm induction
b.     If vegT mRNA depleted	ii.              No endoderm induction
c.     If smad2 phosphorylation inhibited	iii.            No mesoderm induction
	iv.            Ectoderm only

TLS Online TPP Program

#Question id: 3931

#Unit 3. Fundamental Processes

Which has its primary transcript produced in the nucleolus?