Practice Questions

TLS Online TPP Program

#Question id: 27074

Choose the incorrect statement of the following about the Spontaneous dipole-dipole interaction

#Unit 1. Molecules and their Interaction Relevant to Biology

Atoms with the same e- density undergoes spontaneous dipole-dipole interaction
Spontaneous dipole-dipole interaction is temporary in nature due to the due to fluctuation in electronic dipoles
spontaneous dipole-dipole interaction is permanent in nature due to the due to fluctuation in electronic dipoles.
Spontaneous dipole-induced dipole interactions are also known as dispersion or London forces

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TLS Online TPP Program

#Question id: 2758

#Unit 2. Cellular Organization

Which is the best definition of noncoding RNA?

TLS Online TPP Program

#Question id: 2787

#Unit 2. Cellular Organization

All the following statements are true about a nucleosome except:

TLS Online TPP Program

#Question id: 28481

#Unit 5. Developmental Biology

A transcriptional factor Cdx2 which downregulate the Oct4 and nanog, also regulated by____

TLS Online TPP Program

#Question id: 7758

#Unit 5. Developmental Biology

Chlorophyll is tightly bound in complexes with proteins. During senescence these chlorophyll–protein complexes must be dismantled to allow the apoproteins to be recycled by___

TLS Online TPP Program

#Question id: 18231

#Unit 13. Methods in Biology

A DNA sample having mass 1 picogram undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required