Practice Questions

TLS Online TPP Program

#Question id: 5081

The vegetal pole of a frog zygote differs from the animal pole in that ________.

#Unit 5. Developmental Biology

the vegetal pole has a higher concentration of yolk
the blastomeres originate only in the vegetal pole
the vegetal pole cells undergo mitosis, but not cytokinesis
the polar bodies bud from this region

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TLS Online TPP Program

#Question id: 33372

#Unit 1. Molecules and their Interaction Relevant to Biology

All turns secondary structures are characterised by

a. Dihedral angle values

b. Hydrogen bonding

c. i+1 residues

TLS Online TPP Program

#Question id: 33373

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of β turns, Hydrogen bonding is seen between

TLS Online TPP Program

#Question id: 33374

#Unit 1. Molecules and their Interaction Relevant to Biology

The 3₁₀ helix has

TLS Online TPP Program

#Question id: 33375

#Unit 1. Molecules and their Interaction Relevant to Biology

How many hydrogen bonds will be present in 20 amino acid alpha helix

TLS Online TPP Program

#Question id: 33376

#Unit 1. Molecules and their Interaction Relevant to Biology

Right-handed helical conformation has

TLS Online TPP Program

#Question id: 33377

#Unit 1. Molecules and their Interaction Relevant to Biology

The α helices of proteins have an average length of