Practice Questions

TLS Online TPP Program

#Question id: 320

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

#Unit 1. Molecules and their Interaction Relevant to Biology

increased entropy of the nonpolar molecules when they associate.
decreased enthalpy of the system.
increased entropy of the water molecules.
very strong van der Waals forces among the nonpolar molecules or groups.

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TLS Online TPP Program

#Question id: 28401

#Unit 5. Developmental Biology

The Nieuwkoop centre is formed on the dorsal side of the embryo due to accumulation of beta-catenin which helps activate gene encoding protein, these protein known as____

TLS Online TPP Program

#Question id: 28402

#Unit 5. Developmental Biology

A cell that high level of β-catenin with high concentration of nodal related protein and also have vegT and vg1 expression that type of cell undergo to the formation of which structure?

TLS Online TPP Program

#Question id: 28403

#Unit 5. Developmental Biology

A cell that low concentration of nodal related protein and also have vegT and vg1 expression that type of cell undergo to the formation of which structure?

TLS Online TPP Program

#Question id: 28404

#Unit 5. Developmental Biology

Siamois and Twin transcriptional factor inducing the activation of the neuroepithelium genes, these genes are____

TLS Online TPP Program

#Question id: 28405

#Unit 5. Developmental Biology

BMP inhibitors secreted by the organizer that involve to inhibiting the expression of BMP at the dorsal side of the embryo, these organizers are____

TLS Online TPP Program

#Question id: 28406

#Unit 5. Developmental Biology

Noggin is a secreted protein that is able to accomplish two of the major functions of the organizer, such function involve__