Who contributes to the stability of DNA helix structure?

A. Hydrogen bonding between bases

B. Hydrogen bonding between water and bases

C. Scattering interactions between bases

D. Stacking interactions between bases

CORRECT combination is

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#Question id: 2657

#Unit 2. Cellular Organization

In Lac-operon, the gene product of LacA gene is

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#Question id: 12021

#Unit 7. System Physiology – Animal

Nutrient-rich blood from the intestine is carried through the ________ to the liver.

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#Question id: 7765

#Unit 5. Developmental Biology

The enzyme complex or gene that maintains telomere integrity is________, which acts as an antisenescence complex. Mice and humans with its deficiencies age prematurely (Mitchell et al. 1999). Overexpressing or reactivating it in senescent cells extends longevity in mice without increasing cancer,

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#Question id: 18973

#Unit 9. Diversity of Life Forms

Bryophytes may feature all of the following at some time during their existence except 

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#Question id: 26913

#Unit 10. Ecological Principles

Metabolic rate of Ectotherm and endotherm with respect to variable temp, which of the following represented graph is correct?