Practice Questions

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#Question id: 290

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

#I Life Science/ Life Sciences Group – I-V

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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TLS Online TPP Program

#Question id: 6984

#SCPH01 Biochemistry

Which of the following genes is unlikely to be involved in preaxial polydactyly in mice?

TLS Online TPP Program

#Question id: 1752

#SCPH01 Biochemistry

Dendritic cells can be driven from a resting state to an activated state by the T-cell surface molecule:

TLS Online TPP Program

#Question id: 14216

#SCPH05 I Biotechnology

The viscosity of fluid decreases with increasing stirrer speed, the fluid would be

TLS Online TPP Program

#Question id: 15237

#SCPH01 Biochemistry

Agarose gels are used for the electrophoresis of

TLS Online TPP Program

#Question id: 100

#SCPH06 I Botany

Which of the following contain NeuNAc residues and sulfated sugars, and their negative charges contribute to the viscosity of mucins.