Which of the following is NOT a step used by cytotoxic T cells to kill infected host cells?

a. Secretion of perforin
b. Recognition of infected host cell using its CD4 glycoprotein
c. Secretion of granzyme
d. Recognition of infected host cell using its TCR


Ans: b. Recognition of infected host cell using its CD4 glycoprotein

Biology & Microbiology

You might also like to view...

Basic vs applied science

What will be an ideal response?

Biology & Microbiology

While hiking through the woods on your day off, you find a dead tree that is nevertheless covered in leaves. Closer examination reveals that the leaves belong to a vine that has attached itself to the dead tree’s branches and has no contact with the soil below. What type of roots does this vine possess?

a. tap b. fibrous c. epiphytic d. adventitious

Biology & Microbiology

All isotopes of an element have a different number of ____

a. electrons b. protons c. neutrons d. orbital shells e. atoms

Biology & Microbiology

__________ are soils that have roughly equal proportions of sand, silt, and clay. What will be an ideal response?

Biology & Microbiology