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TLS Online TPP Program

#Question id: 11487

Glycosidic bonds have Ф, Ψ and w angles due to

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Steric strain where the repulsion between two atoms or groups of atoms is more when the distance between them is decreased

  2. Torsional strain where the repulsion that arises between atoms or group of atoms when a molecule is rotated around a sigma bond

  3. Tetrahedral geometry of carbon in sugar ring which have 109o angle

  4. All of the above strains part in Ф, Ψ and w angles
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TLS Online TPP Program

#Question id: 33107

#Unit 1. Molecules and their Interaction Relevant to Biology

Figure given best describes 
TLS Online TPP Program

#Question id: 27088

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the span of rotation of dihedral angles?
TLS Online TPP Program

#Question id: 1746

#Unit 4. Cell Communication and Cell Signaling

Which is the first of the following genes to be upregulated subsequent to T-cell activation?
TLS Online TPP Program

#Question id: 31219

#Unit 4. Cell Communication and Cell Signaling

The intrinsic apoptosis pathway is mediated by an activated initiator caspase:
TLS Online TPP Program

#Question id: 512

#Unit 1. Molecules and their Interaction Relevant to Biology

Arsenate affects glycolysis as it

A) competes with NAD+ for the binding site in 1,3-bisphosphoglycerate.

B) competes with phosphate for its binding site in glyceraldehyde 3-phosphate dehydrogenase.

C) produces a stable analog of 1,3-bisphosphoglycerate.