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TLS Online TPP Program

#Question id: 665

Which statement is not true about the peptide bond?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The peptide bond has partial double-bond character.

  2. The peptide bond is longer than the typical carbon-nitrogen bond.

  3. Rotation is restricted about the peptide bond.

  4. The carbonyl oxygen and the amide hydrogen are most often in a trans configuration with respect to one another.

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TLS Online TPP Program

#Question id: 3528

#Unit 8. Inheritance Biology

Consider the following cross:

A/a ; B/b ; C/c ; D/d ; E/e  X a/a ; B/b ; c/c ; D/d ; e/e

What proportion of progeny will phenotypically resemble the first parent?
TLS Online TPP Program

#Question id: 1389

#Unit 4. Cell Communication and Cell Signaling

 Why has C. elegans proven to be a useful model for understanding apoptosis?
TLS Online TPP Program

#Question id: 3633

#Unit 8. Inheritance Biology

In a maternity ward, four babies become accidentally mixed up. The ABO types of the three babies are known to be A, B, and AB. The ABO types of the four sets of parents that are clamed are determined.

(A) AB X O  (B) A X O, (C) A X AB, (D) B  X O.

Following some statement is given

A. A blood group baby must be child of Parent B

B. B blood group baby must be child of Parent A

C. AB blood group baby must be child of Parent A

D. AB blood group baby must be child of Parent C

Which of the following above statement is correct?
TLS Online TPP Program

#Question id: 15711

#Unit 12. Applied Biology

For the regeneration of a whole plant from a cell or callus tissue, there should be differentiation leading to shoot bud or embryo formation. This may occur through 
TLS Online TPP Program

#Question id: 4682

#Unit 3. Fundamental Processes

what will happen, when repressor bound at OR1 and OR2,