What protein, released by cytotoxic T (TC) cells, perforates a target cell's plasma membrane so that enzymes can enter and fragment the target cell's DNA?

What will be an ideal response?


Perforins

Biology & Microbiology

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Which type of media has ingredients that foster the growth of certain bacteria while suppressing the growth of others?

A) defined B) selective C) synthetic D) complex E) differential

Biology & Microbiology

Pore in plasma membrane that allows water movement.  

  Choose the letter of the best match: A. abscisic acid B. trichomes C. aquaporin D. endodermis E. stoma

Biology & Microbiology

Which of the following does not result from the combination of antibodies and antigens?

a. inactivation of the pathogen b. formation of cytotoxic T cells c. stimulation of phagocytosis d. inactivation of toxins e. activation of the complement system

Biology & Microbiology

Bacterial cells pick up a recombinant DNA by taking it in through their outer cell boundaries using a process called 

A. transformation. B. transduction. C. cloning. D. plasmid transfer.

Biology & Microbiology