Practice Questions

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#Question id: 290

Which of the following is a TRUE statement about ionic bonds in protein structure:

#XL - Q Biochemistry

Ionic bonds on the external surface of the folded protein are more stable than those buried in the protein interior.
In an ionic bond, a hydrogen atom carrying a partial positive charge on the electronegative atom of one covalent bond interacts with the partial negative charge of an electronegative atom of a second polar covalent bond.
Ionic bonds can only form between acidic and basic polar charged amino acid R groups in a specific pH range.
Ionic bonds only exist in inorganic molecules.

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#Question id: 19599

#XL - P Chemistry

The enthalpy change in a reaction does not depend upon

TLS Online TPP Program

#Question id: 19546

#XL - P Chemistry

Which of the following alkaline earth metal ions has the highest ionic mobility in aqua solution?

TLS Online TPP Program

#Question id: 5529

#XL - T Zoology

In humans, organogenesis in the embryo is basically accomplished by the end of which period of the pregnancy?

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#Question id: 5743

#XL - S Microbiology

Euploidy is

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#Question id: 16493

#XL - R Botany

35S promoter sequences derived from cauliflower mosaic virus shows which type of expression.