Practice Questions

TLS Online TPP Program

#Question id: 3672

During initiation of replication

#SCPH06 I Botany

DNA polymerases denature A-T rich sequences at the origin.
replication begins when DnaA protein binds the origin and synthesizes primers.
DnaB protein cleaves the double-helix to produce template strands.
two replication forks need to be created to establish bidirectional replication.

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TLS Online TPP Program

#Question id: 364

#SCPH01 Biochemistry

A solution contains 0.0000001 (10-7) moles of hydrogen ions [H+] per liter. Which of the following best describes this solution?

TLS Online TPP Program

#Question id: 1641

#SCPH01 Biochemistry

Why are secondary antibody responses better?

TLS Online TPP Program

#Question id: 1550

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

IL-4 responsible for class switch recombination (CSR) into,

TLS Online TPP Program

#Question id: 1298

#SCPH28 | Zoology

As fibroblasts form a three-dimensional structure in contact with the ECM, the cells bound to ECM:

TLS Online TPP Program

#Question id: 564

#SCPH01 Biochemistry

A good transition-state analog: