Practice Questions

TLS Online TPP Program

#Question id: 23860

RNAi methodology uses double-stranded pieces of RNA to trigger a breakdown or blocking of mRNA. For which of the following might it more possibly be useful?

#Unit 13. Methods in Biology

to raise the rate of production of a needed digestive enzyme
to decrease the production from a harmful gain-of-function mutated gene
to destroy an unwanted allele in a homozygous individual
to form a knockout organism that will not pass the deleted sequence to its progeny

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TLS Online TPP Program

#Question id: 27101

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the incorrect regarding γ-turns

TLS Online TPP Program

#Question id: 27102

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct set of dihedral angle regarding γ-turns to avoid clashes

TLS Online TPP Program

#Question id: 27103

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is longest turns

TLS Online TPP Program

#Question id: 27104

#Unit 1. Molecules and their Interaction Relevant to Biology

Four helix Bundle are found in

(1) Cytochrome b562

(2) Human growth hormone

(3) Antibodies

(4) Retinol

TLS Online TPP Program

#Question id: 27105

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is examples of β barrel structure

TLS Online TPP Program

#Question id: 27107

#Unit 4. Cell Communication and Cell Signaling

Which of the following receptors is not a signalling receptor?