Practice Questions

TLS Online TPP Program

#Question id: 807

Which of the following forces can stabilize a normal DNA double-helix?

#SCPH05 I Biotechnology

Base-stacking is a non-covalent interaction that occurs between the relatively hydrophobic bases in the interior of the helix.
Base-pairing is a non-covalent interaction that occurs between adjacent bases in the same strand of the DNA molecule.
The hydrophilic sugar-phosphate groups are on the exterior of the helix where they can interact with each other.
The deoxyribose rings form N-glycosidic bonds with the phosphate groups that link neighboring nucleotides.

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TLS Online TPP Program

#Question id: 10995

#SCPH28 | Zoology

When recording lead III on an EKG, the negative electrode is the

TLS Online TPP Program

#Question id: 5555

#SCPH28 | Zoology

The formation of the fertilization envelope requires an increase in the cytosolic concentration of ________.

TLS Online TPP Program

#Question id: 14199

#SCPH05 I Biotechnology

Unit of mass transfer coefficient?

TLS Online TPP Program

#Question id: 10785

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

Plant phenolics compound are biosynthesized from___

TLS Online TPP Program

#Question id: 10760

#SCPH05 I Biotechnology

Following are some statements of secondary metabolites of terpenes in plants is incorrect?