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TLS Online TPP Program

#Question id: 1056

During penetration of E. coli by the T4 phage

#SCPH06 I Botany

  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: 1720

#SCPH01 Biochemistry

Which of the following statements is TRUE of lymphocytes?
TLS Online TPP Program

#Question id: 352

#SCPH05 I Biotechnology

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.
TLS Online TPP Program

#Question id: 8933

#SCPH28 | Zoology

At which developmental stage should one be able to first distinguish a diploblastic embryo from a triploblastic embryo?
TLS Online TPP Program

#Question id: 3652

#SCPH06 I Botany

Alkylating agents are electrophilic chemicals which readily add alkyl groups to various positions on nucleic acids. A common example is:
TLS Online TPP Program

#Question id: 6963

#SCPH28 | Zoology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?