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TLS Online TPP Program

#Question id: 760

Which force can stabilize a DNA double-helix?

#SCPH28 | Zoology

  1. Hydrophobic bases are found in the interior of the helix where each base pair is stabilized by the same number of hydrogen bonds.

  2. Hydrophilic sugar-phosphate groups are found on the exterior of the helix where they can interact with water.

  3. Non-covalent N-glycosidic bonds can form between nitrogenous bases in opposite strands in the helix.

  4. Covalent base-stacking interactions can occur between adjacent bases within the same strand in the helix.

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TLS Online TPP Program

#Question id: 14354

#SCPH05 I Biotechnology

deceleration phase comes after with phase in growth curve. 
TLS Online TPP Program

#Question id: 3852

#SCPH28 | Zoology

Which of the following is NOT one of the three stages of transcription?
TLS Online TPP Program

#Question id: 2327

#SCPH28 | Zoology

9 + 2 arrangement refers to the:
TLS Online TPP Program

#Question id: 19376

#SCPH01 Biochemistry

As transgene products participate in the cell physiology and biochemistry. Therefore, they are likely to generate 
TLS Online TPP Program

#Question id: 4812

#SCPH06 I Botany

Two character X and Y ,both follow law of dominance due to 3:1 F2 phenotypic ratio monohybrid cross separately If carry out dihybrid selfing cross for heterozygous genotype for both character does not follow law of independence assortment in normal environmental condition due to?