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TLS Online TPP Program

#Question id: 1056

During penetration of E. coli by the T4 phage

#SCPH28 | Zoology

  1. lysozyme is used to allow entry of the phage capsid.

  2. the tail acts as a "hypodermic needle," injecting the phage DNA into the cell.

  3. the protein fibers digest a hole in the cell wall.

  4. the bacterial receptor molecules open a hole through the cell wall.

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TLS Online TPP Program

#Question id: 16022

#SCPH05 I Biotechnology

Which of the following is not the explantation technique?
TLS Online TPP Program

#Question id: 1117

#SCPH28 | Zoology

At puberty, an adolescent female body changes in both structure and function of several organ systems, primarily under the influence of changing concentrations of estrogen and other steroid hormones. How can one hormone, such as estrogen, mediate so many effects?
TLS Online TPP Program

#Question id: 701

#SCPH05 I Biotechnology

 Kendrew’s studies of the globular myoglobin structure demonstrated that:
TLS Online TPP Program

#Question id: 19352

#SCPH28 | Zoology

Reporter genes have been extensively used to assay the function of promoters and other regulatory sequences, and also to demonstrate the 
TLS Online TPP Program

#Question id: 5536

#SCPH28 | Zoology

Which of the following is not related with the spot of invagination during gastrulation?