Practice Questions

TLS Online TPP Program

#Question id: 3866

Which of the following statements about E. coli RNA polymerase (core enzyme) is false?

#SCPH06 I Botany

In the absence of the B subunit, core polymerase has little specificity for where initiation begins.
he core enzyme contains several different subunits.
The core enzyme has no polymerizing activity until the  subunit is bound.
The RNA chain grows in a 5' -> 3' direction.

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TLS Online TPP Program

#Question id: 2141

#SCPH28 | Zoology

Facilitated diffusion through a biological membrane is:

TLS Online TPP Program

#Question id: 15183

#SCPH28 | Zoology

When in a gel more Joule heat is produced than can be dissipated, the temperature in the middle of the gel is higher than at the lateral edges. This causes higher mobility of the ions in the center, resulting in an uneven distribution of the zones. The zones bend up at the two lateral sides, causing

TLS Online TPP Program

#Question id: 1552

#SCPH28 | Zoology

A common clinical pathological finding during a viral infection is

TLS Online TPP Program

#Question id: 15534

#SCPH05 I Biotechnology

In FASTA, For a Z-score > 15, the match can be considered extremely ______ with _____ of a homologous relationship.

TLS Online TPP Program

#Question id: 10514

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

Volicitin was identified as the active substance in the form of