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#Question id: 757


_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.

#SCPH01 Biochemistry
  1. nucleases

  2.  DNA polymerases

  3.  helicases

  4.  DNA gyrase


Answer:- Option(s): 4


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#Question id: 12947

#SCPH06 I Botany

Match the following-
A. G- proteins.                    1.src
B. Growth factors.            2.erbB
C. Protein kinases.           3. N-ras
D. Growth factor receptor.   4.hst

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#Question id: 11269

#SCPH28 | Zoology

Following table represent Loss of energy from ingested food at different process?


What is value of A, B, C and D respectively?

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#Question id: 15877

#SCPH05 I Biotechnology

Zinc as micronutrient is used in culture media for____

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#Question id: 8930

#SCPH05 I Biotechnology

Soon after the coelom begins to form, a researcher injects a dye into the coelom of a deuterostome embryo. Initially, the dye should be able to flow directly into the

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#Question id: 672

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

An ideal α-helix has a pitch of 0.54 nm and a rise of 0.15 nm. What is the length along the helix axis for a segment of an ideal α-helix that contains 30 amino acids?

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