Which of the following is a structure that permits conjugation to occur?

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#Question id: 2954

#SCPH05 I Biotechnology

Cyclin concentrations are highest during which periods of the cell cycle?

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#Question id: 2734

#SCPH05 I Biotechnology

Although nucleotides bearing the major purines and pyrimidines are most common, both DNA and RNA also contain some minor bases. In DNA the most common of these are _______________ forms of the major bases; in some viral DNAs, certain bases may be hydroxymethylated or glucosylated.

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#Question id: 10507

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

Rhizobacteria function as

 a) Nitrogen fixation

 b) depositing pathogens directly into the vascular system,

 c) producing antibiotics and antifungal agents for inhibiting soil pathogens

 d) herbivore sensors by sending electrical or chemical signals to surrounding cells

 Which one of the following combination is correct?

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#Question id: 24442

#SCPH01 Biochemistry

Match the following Column I with Column II 

Column I	Column II
A. PR segment	i. Plateau portion of the ventricular action potential
B. PR interval	ii. Conduction through atrioventricular node
C. ST segment	iii. The time from initial depolarization of the atria to initial depolarization of the ventricles
D. ST interval	iv. An isoelectric portion of the QT interval

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#Question id: 674

#SCPH05 I Biotechnology

Proline is not often found in a-helices of proteins because it